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#define  XC_LDA_X               1  /* Exchange                                                   */
#define  XC_LDA_C_WIGNER        2  /* Wigner parametrization                                     */
#define  XC_LDA_C_RPA           3  /* Random Phase Approximation                                 */
#define  XC_LDA_C_HL            4  /* Hedin & Lundqvist                                          */
#define  XC_LDA_C_GL            5  /* Gunnarson & Lundqvist                                      */
#define  XC_LDA_C_XALPHA        6  /* Slater Xalpha                                              */
#define  XC_LDA_C_VWN           7  /* Vosko, Wilk, & Nussair (5)                                 */
#define  XC_LDA_C_VWN_RPA       8  /* Vosko, Wilk, & Nussair (RPA)                               */
#define  XC_LDA_C_PZ            9  /* Perdew & Zunger                                            */
#define  XC_LDA_C_PZ_MOD       10  /* Perdew & Zunger (Modified)                                 */
#define  XC_LDA_C_OB_PZ        11  /* Ortiz & Ballone (PZ)                                       */
#define  XC_LDA_C_PW           12  /* Perdew & Wang                                              */
#define  XC_LDA_C_PW_MOD       13  /* Perdew & Wang (Modified)                                   */
#define  XC_LDA_C_OB_PW        14  /* Ortiz & Ballone (PW)                                       */
#define  XC_LDA_C_2D_AMGB      15  /* Attaccalite et al                                          */
#define  XC_LDA_C_2D_PRM       16  /* Pittalis, Rasanen & Marques correlation in 2D              */
#define  XC_LDA_C_vBH          17  /* von Barth & Hedin                                          */
#define  XC_LDA_C_1D_CSC       18  /* Casula, Sorella, and Senatore 1D correlation               */
#define  XC_LDA_X_2D           19  /* Exchange in 2D                                             */
#define  XC_LDA_XC_TETER93     20  /* Teter 93 parametrization                                   */
#define  XC_LDA_X_1D           21  /* Exchange in 1D                                             */
#define  XC_LDA_C_ML1          22  /* Modified LSD (version 1) of Proynov and Salahub            */
#define  XC_LDA_C_ML2          23  /* Modified LSD (version 2) of Proynov and Salahub            */
#define  XC_LDA_C_GOMBAS       24  /* Gombas parametrization                                     */
#define  XC_LDA_C_PW_RPA       25  /* Perdew & Wang fit of the RPA                               */
#define  XC_LDA_C_1D_LOOS      26  /* P-F Loos correlation LDA                                   */
#define  XC_LDA_C_RC04         27  /* Ragot-Cortona                                              */
#define  XC_LDA_C_VWN_1        28  /* Vosko, Wilk, & Nussair (1)                                 */
#define  XC_LDA_C_VWN_2        29  /* Vosko, Wilk, & Nussair (2)                                 */
#define  XC_LDA_C_VWN_3        30  /* Vosko, Wilk, & Nussair (3)                                 */
#define  XC_LDA_C_VWN_4        31  /* Vosko, Wilk, & Nussair (4)                                 */
#define  XC_LDA_K_TF           50  /* Thomas-Fermi kinetic energy functional                     */
#define  XC_LDA_K_LP           51  /* Lee and Parr Gaussian ansatz                               */
#define  XC_GGA_C_Q2D          47  /* Chiodo et al                                               */
#define  XC_GGA_X_Q2D          48  /* Chiodo et al                                               */
#define  XC_GGA_X_PBE_MOL      49  /* Del Campo, Gazquez, Trickey and Vela (PBE-like)            */
#define  XC_GGA_K_TFVW         52  /* Thomas-Fermi plus von Weiszaecker correction               */
#define  XC_GGA_K_REVAPBEINT   53  /* interpolated version of REVAPBE                            */
#define  XC_GGA_K_APBEINT      54  /* interpolated version of APBE                               */
#define  XC_GGA_K_REVAPBE      55  /* revised APBE                                               */
#define  XC_GGA_X_AK13         56  /* Armiento & Kuemmel 2013                                    */
#define  XC_GGA_K_MEYER        57  /* Meyer,  Wang, and Young                                    */
#define  XC_GGA_X_LV_RPW86     58  /* Berland and Hyldgaard                                      */
#define  XC_GGA_X_PBE_TCA      59  /* PBE revised by Tognetti et al                              */
#define  XC_GGA_X_PBEINT       60  /* PBE for hybrid interfaces                                  */
#define  XC_GGA_C_ZPBEINT      61  /* spin-dependent gradient correction to PBEint               */
#define  XC_GGA_C_PBEINT       62  /* PBE for hybrid interfaces                                  */
#define  XC_GGA_C_ZPBESOL      63  /* spin-dependent gradient correction to PBEsol               */
#define  XC_GGA_XC_OPBE_D      65  /* oPBE_D functional of Goerigk and Grimme                    */
#define  XC_GGA_XC_OPWLYP_D    66  /* oPWLYP-D functional of Goerigk and Grimme                  */
#define  XC_GGA_XC_OBLYP_D     67  /* oBLYP-D functional of Goerigk and Grimme                   */
#define  XC_GGA_X_VMT84_GE     68  /* VMT{8,4} with constraint satisfaction with mu = mu_GE      */
#define  XC_GGA_X_VMT84_PBE    69  /* VMT{8,4} with constraint satisfaction with mu = mu_PBE     */
#define  XC_GGA_X_VMT_GE       70  /* Vela, Medel, and Trickey with mu = mu_GE                   */
#define  XC_GGA_X_VMT_PBE      71  /* Vela, Medel, and Trickey with mu = mu_PBE                  */
#define  XC_GGA_C_N12_SX       79  /* N12-SX functional from Minnesota                           */
#define  XC_GGA_C_N12          80  /* N12 functional from Minnesota                              */
#define  XC_GGA_X_N12          82  /* N12 functional from Minnesota                              */
#define  XC_GGA_C_VPBE         83  /* variant PBE                                                */
#define  XC_GGA_C_OP_XALPHA    84  /* one-parameter progressive functional (XALPHA version)      */
#define  XC_GGA_C_OP_G96       85  /* one-parameter progressive functional (G96 version)         */
#define  XC_GGA_C_OP_PBE       86  /* one-parameter progressive functional (PBE version)         */
#define  XC_GGA_C_OP_B88       87  /* one-parameter progressive functional (B88 version)         */
#define  XC_GGA_C_FT97         88  /* Filatov & Thiel correlation                                */
#define  XC_GGA_C_SPBE         89  /* PBE correlation to be used with the SSB exchange           */
#define  XC_GGA_X_SSB_SW       90  /* Swarta, Sola and Bickelhaupt correction to PBE             */
#define  XC_GGA_X_SSB          91  /* Swarta, Sola and Bickelhaupt                               */
#define  XC_GGA_X_SSB_D        92  /* Swarta, Sola and Bickelhaupt dispersion                    */
#define  XC_GGA_XC_HCTH_407P   93  /* HCTH/407+                                                  */
#define  XC_GGA_XC_HCTH_P76    94  /* HCTH p=7/6                                                 */
#define  XC_GGA_XC_HCTH_P14    95  /* HCTH p=1/4                                                 */
#define  XC_GGA_XC_B97_GGA1    96  /* Becke 97 GGA-1                                             */
#define  XC_GGA_XC_HCTH_A      97  /* HCTH-A                                                     */
#define  XC_GGA_X_BPCCAC       98  /* BPCCAC (GRAC for the energy)                               */
#define  XC_GGA_C_REVTCA       99  /* Tognetti, Cortona, Adamo (revised)                         */
#define  XC_GGA_C_TCA         100  /* Tognetti, Cortona, Adamo                                   */
#define  XC_GGA_X_PBE         101  /* Perdew, Burke & Ernzerhof exchange                         */
#define  XC_GGA_X_PBE_R       102  /* Perdew, Burke & Ernzerhof exchange (revised)               */
#define  XC_GGA_X_B86         103  /* Becke 86 Xalfa,beta,gamma                                  */
#define  XC_GGA_X_HERMAN      104  /* Herman et al original GGA                                  */
#define  XC_GGA_X_B86_MGC     105  /* Becke 86 Xalfa,beta,gamma (with mod. grad. correction)     */
#define  XC_GGA_X_B88         106  /* Becke 88                                                   */
#define  XC_GGA_X_G96         107  /* Gill 96                                                    */
#define  XC_GGA_X_PW86        108  /* Perdew & Wang 86                                           */
#define  XC_GGA_X_PW91        109  /* Perdew & Wang 91                                           */
#define  XC_GGA_X_OPTX        110  /* Handy & Cohen OPTX 01                                      */
#define  XC_GGA_X_DK87_R1     111  /* dePristo & Kress 87 (version R1)                           */
#define  XC_GGA_X_DK87_R2     112  /* dePristo & Kress 87 (version R2)                           */
#define  XC_GGA_X_LG93        113  /* Lacks & Gordon 93                                          */
#define  XC_GGA_X_FT97_A      114  /* Filatov & Thiel 97 (version A)                             */
#define  XC_GGA_X_FT97_B      115  /* Filatov & Thiel 97 (version B)                             */
#define  XC_GGA_X_PBE_SOL     116  /* Perdew, Burke & Ernzerhof exchange (solids)                */
#define  XC_GGA_X_RPBE        117  /* Hammer, Hansen & Norskov (PBE-like)                        */
#define  XC_GGA_X_WC          118  /* Wu & Cohen                                                 */
#define  XC_GGA_X_MPW91       119  /* Modified form of PW91 by Adamo & Barone                    */
#define  XC_GGA_X_AM05        120  /* Armiento & Mattsson 05 exchange                            */
#define  XC_GGA_X_PBEA        121  /* Madsen (PBE-like)                                          */
#define  XC_GGA_X_MPBE        122  /* Adamo & Barone modification to PBE                         */
#define  XC_GGA_X_XPBE        123  /* xPBE reparametrization by Xu & Goddard                     */
#define  XC_GGA_X_2D_B86_MGC  124  /* Becke 86 MGC for 2D systems                                */
#define  XC_GGA_X_BAYESIAN    125  /* Bayesian best fit for the enhancement factor               */
#define  XC_GGA_X_PBE_JSJR    126  /* JSJR reparametrization by Pedroza, Silva & Capelle         */
#define  XC_GGA_X_2D_B88      127  /* Becke 88 in 2D                                             */
#define  XC_GGA_X_2D_B86      128  /* Becke 86 Xalfa,beta,gamma                                  */
#define  XC_GGA_X_2D_PBE      129  /* Perdew, Burke & Ernzerhof exchange in 2D                   */
#define  XC_GGA_C_PBE         130  /* Perdew, Burke & Ernzerhof correlation                      */
#define  XC_GGA_C_LYP         131  /* Lee, Yang & Parr                                           */
#define  XC_GGA_C_P86         132  /* Perdew 86                                                  */
#define  XC_GGA_C_PBE_SOL     133  /* Perdew, Burke & Ernzerhof correlation SOL                  */
#define  XC_GGA_C_PW91        134  /* Perdew & Wang 91                                           */
#define  XC_GGA_C_AM05        135  /* Armiento & Mattsson 05 correlation                         */
#define  XC_GGA_C_XPBE        136  /* xPBE reparametrization by Xu & Goddard                     */
#define  XC_GGA_C_LM          137  /* Langreth and Mehl correlation                              */
#define  XC_GGA_C_PBE_JRGX    138  /* JRGX reparametrization by Pedroza, Silva & Capelle         */
#define  XC_GGA_X_OPTB88_VDW  139  /* Becke 88 reoptimized to be used with vdW functional of Dion et al*/
#define  XC_GGA_X_PBEK1_VDW   140  /* PBE reparametrization for vdW                              */
#define  XC_GGA_X_OPTPBE_VDW  141  /* PBE reparametrization for vdW                              */
#define  XC_GGA_X_RGE2        142  /* Regularized PBE                                            */
#define  XC_GGA_C_RGE2        143  /* Regularized PBE                                            */
#define  XC_GGA_X_RPW86       144  /* refitted Perdew & Wang 86                                  */
#define  XC_GGA_X_KT1         145  /* Keal and Tozer version 1                                   */
#define  XC_GGA_XC_KT2        146  /* Keal and Tozer version 2                                   */
#define  XC_GGA_C_WL          147  /* Wilson & Levy                                              */
#define  XC_GGA_C_WI          148  /* Wilson & Ivanov                                            */
#define  XC_GGA_X_MB88        149  /* Modified Becke 88 for proton transfer                      */
#define  XC_GGA_X_SOGGA       150  /* Second-order generalized gradient approximation            */
#define  XC_GGA_X_SOGGA11     151  /* Second-order generalized gradient approximation 2011       */
#define  XC_GGA_C_SOGGA11     152  /* Second-order generalized gradient approximation 2011       */
#define  XC_GGA_C_WI0         153  /* Wilson & Ivanov initial version                            */
#define  XC_GGA_XC_TH1        154  /* Tozer and Handy v. 1                                       */
#define  XC_GGA_XC_TH2        155  /* Tozer and Handy v. 2                                       */
#define  XC_GGA_XC_TH3        156  /* Tozer and Handy v. 3                                       */
#define  XC_GGA_XC_TH4        157  /* Tozer and Handy v. 4                                       */
#define  XC_GGA_X_C09X        158  /* C09x to be used with the VdW of Rutgers-Chalmers           */
#define  XC_GGA_C_SOGGA11_X   159  /* To be used with hyb_gga_x_SOGGA11-X                        */
#define  XC_GGA_X_LB          160  /* van Leeuwen & Baerends                                     */
#define  XC_GGA_XC_HCTH_93    161  /* HCTH functional fitted to  93 molecules                    */
#define  XC_GGA_XC_HCTH_120   162  /* HCTH functional fitted to 120 molecules                    */
#define  XC_GGA_XC_HCTH_147   163  /* HCTH functional fitted to 147 molecules                    */
#define  XC_GGA_XC_HCTH_407   164  /* HCTH functional fitted to 407 molecules                    */
#define  XC_GGA_XC_EDF1       165  /* Empirical functionals from Adamson, Gill, and Pople        */
#define  XC_GGA_XC_XLYP       166  /* XLYP functional                                            */
#define  XC_GGA_XC_B97        167  /* Becke 97                                                   */
#define  XC_GGA_XC_B97_1      168  /* Becke 97-1                                                 */
#define  XC_GGA_XC_B97_2      169  /* Becke 97-2                                                 */
#define  XC_GGA_XC_B97_D      170  /* Grimme functional to be used with C6 vdW term              */
#define  XC_GGA_XC_B97_K      171  /* Boese-Martin for Kinetics                                  */
#define  XC_GGA_XC_B97_3      172  /* Becke 97-3                                                 */
#define  XC_GGA_XC_PBE1W      173  /* Functionals fitted for water                               */
#define  XC_GGA_XC_MPWLYP1W   174  /* Functionals fitted for water                               */
#define  XC_GGA_XC_PBELYP1W   175  /* Functionals fitted for water                               */
#define  XC_GGA_XC_SB98_1a    176  /* Schmider-Becke 98 parameterization 1a                      */
#define  XC_GGA_XC_SB98_1b    177  /* Schmider-Becke 98 parameterization 1b                      */
#define  XC_GGA_XC_SB98_1c    178  /* Schmider-Becke 98 parameterization 1c                      */
#define  XC_GGA_XC_SB98_2a    179  /* Schmider-Becke 98 parameterization 2a                      */
#define  XC_GGA_XC_SB98_2b    180  /* Schmider-Becke 98 parameterization 2b                      */
#define  XC_GGA_XC_SB98_2c    181  /* Schmider-Becke 98 parameterization 2c                      */
#define  XC_GGA_X_LBM         182  /* van Leeuwen & Baerends modified                            */
#define  XC_GGA_X_OL2         183  /* Exchange form based on Ou-Yang and Levy v.2                */
#define  XC_GGA_X_APBE        184  /* mu fixed from the semiclassical neutral atom               */
#define  XC_GGA_K_APBE        185  /* mu fixed from the semiclassical neutral atom               */
#define  XC_GGA_C_APBE        186  /* mu fixed from the semiclassical neutral atom               */
#define  XC_GGA_K_TW1         187  /* Tran and Wesolowski set 1 (Table II)                       */
#define  XC_GGA_K_TW2         188  /* Tran and Wesolowski set 2 (Table II)                       */
#define  XC_GGA_K_TW3         189  /* Tran and Wesolowski set 3 (Table II)                       */
#define  XC_GGA_K_TW4         190  /* Tran and Wesolowski set 4 (Table II)                       */
#define  XC_GGA_X_HTBS        191  /* Haas, Tran, Blaha, and Schwarz                             */
#define  XC_GGA_X_AIRY        192  /* Constantin et al based on the Airy gas                     */
#define  XC_GGA_X_LAG         193  /* Local Airy Gas                                             */
#define  XC_GGA_XC_MOHLYP     194  /* Functional for organometallic chemistry                    */
#define  XC_GGA_XC_MOHLYP2    195  /* Functional for barrier heights                             */
#define  XC_GGA_XC_TH_FL      196  /* Tozer and Handy v. FL                                      */
#define  XC_GGA_XC_TH_FC      197  /* Tozer and Handy v. FC                                      */
#define  XC_GGA_XC_TH_FCFO    198  /* Tozer and Handy v. FCFO                                    */
#define  XC_GGA_XC_TH_FCO     199  /* Tozer and Handy v. FCO                                     */
#define  XC_GGA_C_OPTC        200  /* Optimized correlation functional of Cohen and Handy        */
#define  XC_GGA_K_VW          500  /* von Weiszaecker functional                                 */
#define  XC_GGA_K_GE2         501  /* Second-order gradient expansion (l = 1/9)                  */
#define  XC_GGA_K_GOLDEN      502  /* TF-lambda-vW form by Golden (l = 13/45)                    */
#define  XC_GGA_K_YT65        503  /* TF-lambda-vW form by Yonei and Tomishima (l = 1/5)         */
#define  XC_GGA_K_BALTIN      504  /* TF-lambda-vW form by Baltin (l = 5/9)                      */
#define  XC_GGA_K_LIEB        505  /* TF-lambda-vW form by Lieb (l = 0.185909191)                */
#define  XC_GGA_K_ABSP1       506  /* gamma-TFvW form by Acharya et al [g = 1 - 1.412/N^(1/3)]   */
#define  XC_GGA_K_ABSP2       507  /* gamma-TFvW form by Acharya et al [g = 1 - 1.332/N^(1/3)]   */
#define  XC_GGA_K_GR          508  /* gamma-TFvW form by Gázquez and Robles                     */
#define  XC_GGA_K_LUDENA      509  /* gamma-TFvW form by Ludeña                                 */
#define  XC_GGA_K_GP85        510  /* gamma-TFvW form by Ghosh and Parr                          */
#define  XC_GGA_K_PEARSON     511  /* Pearson                                                    */
#define  XC_GGA_K_OL1         512  /* Ou-Yang and Levy v.1                                       */
#define  XC_GGA_K_OL2         513  /* Ou-Yang and Levy v.2                                       */
#define  XC_GGA_K_FR_B88      514  /* Fuentealba & Reyes (B88 version)                           */
#define  XC_GGA_K_FR_PW86     515  /* Fuentealba & Reyes (PW86 version)                          */
#define  XC_GGA_K_DK          516  /* DePristo and Kress                                         */
#define  XC_GGA_K_PERDEW      517  /* Perdew                                                     */
#define  XC_GGA_K_VSK         518  /* Vitos, Skriver, and Kollar                                 */
#define  XC_GGA_K_VJKS        519  /* Vitos, Johansson, Kollar, and Skriver                      */
#define  XC_GGA_K_ERNZERHOF   520  /* Ernzerhof                                                  */
#define  XC_GGA_K_LC94        521  /* Lembarki & Chermette                                       */
#define  XC_GGA_K_LLP         522  /* Lee, Lee & Parr                                            */
#define  XC_GGA_K_THAKKAR     523  /* Thakkar 1992                                               */
#define  XC_GGA_X_WPBEH       524  /* short-range version of the PBE                             */
#define  XC_GGA_X_HJS_PBE     525  /* HJS screened exchange PBE version                          */
#define  XC_GGA_X_HJS_PBE_SOL 526  /* HJS screened exchange PBE_SOL version                      */
#define  XC_GGA_X_HJS_B88     527  /* HJS screened exchange B88 version                          */
#define  XC_GGA_X_HJS_B97X    528  /* HJS screened exchange B97x version                         */
#define  XC_GGA_X_ITYH        529  /* short-range recipe for exchange GGA functionals            */
#define  XC_GGA_X_SFAT        530  /* short-range recipe for exchange GGA functionals            */
#define  XC_HYB_GGA_X_N12_SX   81  /* N12-SX functional from Minnesota                           */
#define  XC_HYB_GGA_XC_B3PW91 401  /* The original (ACM) hybrid of Becke                         */
#define  XC_HYB_GGA_XC_B3LYP  402  /* The (in)famous B3LYP                                       */
#define  XC_HYB_GGA_XC_B3P86  403  /* Perdew 86 hybrid similar to B3PW91                         */
#define  XC_HYB_GGA_XC_O3LYP  404  /* hybrid using the optx functional                           */
#define  XC_HYB_GGA_XC_mPW1K  405  /* mixture of mPW91 and PW91 optimized for kinetics           */
#define  XC_HYB_GGA_XC_PBEH   406  /* aka PBE0 or PBE1PBE                                        */
#define  XC_HYB_GGA_XC_B97    407  /* Becke 97                                                   */
#define  XC_HYB_GGA_XC_B97_1  408  /* Becke 97-1                                                 */
#define  XC_HYB_GGA_XC_B97_2  410  /* Becke 97-2                                                 */
#define  XC_HYB_GGA_XC_X3LYP  411  /* maybe the best hybrid                                      */
#define  XC_HYB_GGA_XC_B1WC   412  /* Becke 1-parameter mixture of WC and PBE                    */
#define  XC_HYB_GGA_XC_B97_K  413  /* Boese-Martin for Kinetics                                  */
#define  XC_HYB_GGA_XC_B97_3  414  /* Becke 97-3                                                 */
#define  XC_HYB_GGA_XC_MPW3PW 415  /* mixture with the mPW functional                            */
#define  XC_HYB_GGA_XC_B1LYP  416  /* Becke 1-parameter mixture of B88 and LYP                   */
#define  XC_HYB_GGA_XC_B1PW91 417  /* Becke 1-parameter mixture of B88 and PW91                  */
#define  XC_HYB_GGA_XC_mPW1PW 418  /* Becke 1-parameter mixture of mPW91 and PW91                */
#define  XC_HYB_GGA_XC_MPW3LYP 419  /* mixture of mPW and LYP                                     */
#define  XC_HYB_GGA_XC_SB98_1a 420  /* Schmider-Becke 98 parameterization 1a                      */
#define  XC_HYB_GGA_XC_SB98_1b 421  /* Schmider-Becke 98 parameterization 1b                      */
#define  XC_HYB_GGA_XC_SB98_1c 422  /* Schmider-Becke 98 parameterization 1c                      */
#define  XC_HYB_GGA_XC_SB98_2a 423  /* Schmider-Becke 98 parameterization 2a                      */
#define  XC_HYB_GGA_XC_SB98_2b 424  /* Schmider-Becke 98 parameterization 2b                      */
#define  XC_HYB_GGA_XC_SB98_2c 425  /* Schmider-Becke 98 parameterization 2c                      */
#define  XC_HYB_GGA_X_SOGGA11_X 426  /* Hybrid based on SOGGA11 form                               */
#define  XC_HYB_GGA_XC_HSE03  427  /* the 2003 version of the screened hybrid HSE                */
#define  XC_HYB_GGA_XC_HSE06  428  /* the 2006 version of the screened hybrid HSE                */
#define  XC_HYB_GGA_XC_HJS_PBE 429  /* HJS hybrid screened exchange PBE version                   */
#define  XC_HYB_GGA_XC_HJS_PBE_SOL 430  /* HJS hybrid screened exchange PBE_SOL version               */
#define  XC_HYB_GGA_XC_HJS_B88 431  /* HJS hybrid screened exchange B88 version                   */
#define  XC_HYB_GGA_XC_HJS_B97X 432  /* HJS hybrid screened exchange B97x version                  */
#define  XC_HYB_GGA_XC_CAM_B3LYP 433  /* CAM version of B3LYP                                       */
#define  XC_HYB_GGA_XC_TUNED_CAM_B3LYP 434  /* CAM version of B3LYP tunes for excitations                 */
#define  XC_HYB_GGA_XC_BHANDH 435  /* Becke half-and-half                                        */
#define  XC_HYB_GGA_XC_BHANDHLYP 436  /* Becke half-and-half with B88 exchange                      */
#define  XC_HYB_GGA_XC_MB3LYP_RC04 437  /* B3LYP with RC04 LDA                                        */
#define  XC_HYB_GGA_XC_MPWLYP1M 453  /* MPW with 1 par. for metals/LYP                             */
#define  XC_HYB_GGA_XC_REVB3LYP 454  /* Revised B3LYP                                              */
#define  XC_HYB_GGA_XC_CAMY_BLYP 455  /* BLYP with yukawa screening                                 */
#define  XC_HYB_GGA_XC_PBE0_13 456  /* PBE0-1/3                                                   */
#define  XC_MGGA_XC_OTPSS_D    64  /* oTPSS_D functional of Goerigk and Grimme                   */
#define  XC_MGGA_C_CS          72  /* Colle and Salvetti                                         */
#define  XC_MGGA_C_MN12_SX     73  /* MN12-SX functional of Minnesota                            */
#define  XC_MGGA_C_MN12_L      74  /* MN12-L functional of Minnesota                             */
#define  XC_MGGA_C_M11_L       75  /* M11-L functional of Minnesota                              */
#define  XC_MGGA_C_M11         76  /* M11 functional of Minnesota                                */
#define  XC_MGGA_C_M08_SO      77  /* M08-SO functional of Minnesota                             */
#define  XC_MGGA_C_M08_HX      78  /* M08-HX functional of Minnesota                             */
#define  XC_MGGA_X_LTA        201  /* Local tau approximation of Ernzerhof & Scuseria            */
#define  XC_MGGA_X_TPSS       202  /* Perdew, Tao, Staroverov & Scuseria exchange                */
#define  XC_MGGA_X_M06_L      203  /* M06-Local functional of Minnesota                          */
#define  XC_MGGA_X_GVT4       204  /* GVT4 from Van Voorhis and Scuseria                         */
#define  XC_MGGA_X_TAU_HCTH   205  /* tau-HCTH from Boese and Handy                              */
#define  XC_MGGA_X_BR89       206  /* Becke-Roussel 89                                           */
#define  XC_MGGA_X_BJ06       207  /* Becke & Johnson correction to Becke-Roussel 89             */
#define  XC_MGGA_X_TB09       208  /* Tran & Blaha correction to Becke & Johnson                 */
#define  XC_MGGA_X_RPP09      209  /* Rasanen, Pittalis, and Proetto correction to Becke & Johnson  */
#define  XC_MGGA_X_2D_PRHG07  210  /* Pittalis, Rasanen, Helbig, Gross Exchange Functional       */
#define  XC_MGGA_X_2D_PRHG07_PRP10 211  /* PRGH07 with PRP10 correction                               */
#define  XC_MGGA_X_REVTPSS    212  /* revised Perdew, Tao, Staroverov & Scuseria exchange        */
#define  XC_MGGA_X_PKZB       213  /* Perdew, Kurth, Zupan, and Blaha                            */
#define  XC_MGGA_X_M05        214  /* M05 functional of Minnesota                                */
#define  XC_MGGA_X_M05_2X     215  /* M05-2X functional of Minnesota                             */
#define  XC_MGGA_X_M06_HF     216  /* M06-HF functional of Minnesota                             */
#define  XC_MGGA_X_M06        217  /* M06 functional of Minnesota                                */
#define  XC_MGGA_X_M06_2X     218  /* M06-2X functional of Minnesota                             */
#define  XC_MGGA_X_M08_HX     219  /* M08-HX functional of Minnesota                             */
#define  XC_MGGA_X_M08_SO     220  /* M08-SO functional of Minnesota                             */
#define  XC_MGGA_X_MS0        221  /* MS exchange of Sun, Xiao, and Ruzsinszky                   */
#define  XC_MGGA_X_MS1        222  /* MS1 exchange of Sun, et al                                 */
#define  XC_MGGA_X_MS2        223  /* MS2 exchange of Sun, et al                                 */
#define  XC_MGGA_X_MS2H       224  /* MS2 hybrid exchange of Sun, et al                          */
#define  XC_MGGA_X_M11_L      226  /* M11-L functional of Minnesota                              */
#define  XC_MGGA_X_MN12_L     227  /* MN12-L functional from Minnesota                           */
#define  XC_MGGA_X_MN12_SX    228  /* MN12-SX functional from Minnesota                          */
#define  XC_MGGA_C_CC06       229  /* Cancio and Chou 2006                                       */
#define  XC_MGGA_X_MK00       230  /* Exchange for accurate virtual orbital energies             */
#define  XC_MGGA_C_TPSS       231  /* Perdew, Tao, Staroverov & Scuseria correlation             */
#define  XC_MGGA_C_VSXC       232  /* VSxc from Van Voorhis and Scuseria (correlation part)      */
#define  XC_MGGA_C_M06_L      233  /* M06-Local functional of Minnesota                          */
#define  XC_MGGA_C_M06_HF     234  /* M06-HF functional of Minnesota                             */
#define  XC_MGGA_C_M06        235  /* M06 functional of Minnesota                                */
#define  XC_MGGA_C_M06_2X     236  /* M06-2X functional of Minnesota                             */
#define  XC_MGGA_C_M05        237  /* M05 functional of Minnesota                                */
#define  XC_MGGA_C_M05_2X     238  /* M05-2X functional of Minnesota                             */
#define  XC_MGGA_C_PKZB       239  /* Perdew, Kurth, Zupan, and Blaha                            */
#define  XC_MGGA_C_BC95       240  /* Becke correlation 95                                       */
#define  XC_MGGA_C_REVTPSS    241  /* revised TPSS correlation                                   */
#define  XC_MGGA_XC_TPSSLYP1W 242  /* Functionals fitted for water                               */
#define  XC_MGGA_X_MK00B      243  /* Exchange for accurate virtual orbital energies (v. B)      */
#define  XC_MGGA_X_BLOC       244  /* functional with balanced localization                      */
#define  XC_MGGA_X_MODTPSS    245  /* Modified Perdew, Tao, Staroverov & Scuseria exchange       */
#define  XC_HYB_MGGA_X_M11    225  /* M11 functional of Minnesota                                */
#define  XC_HYB_MGGA_XC_M05   438  /* M05 functional of Minnesota                                */
#define  XC_HYB_MGGA_XC_M05_2X 439  /* M05-2X functional of Minnesota                             */
#define  XC_HYB_MGGA_XC_B88B95 440  /* Mixture of B88 with BC95 (B1B95)                           */
#define  XC_HYB_MGGA_XC_B86B95 441  /* Mixture of B86 with BC95                                   */
#define  XC_HYB_MGGA_XC_PW86B95 442  /* Mixture of PW86 with BC95                                  */
#define  XC_HYB_MGGA_XC_BB1K  443  /* Mixture of B88 with BC95 from Zhao and Truhlar             */
#define  XC_HYB_MGGA_XC_M06_HF 444  /* M06-HF functional of Minnesota                             */
#define  XC_HYB_MGGA_XC_MPW1B95 445  /* Mixture of mPW91 with BC95 from Zhao and Truhlar           */
#define  XC_HYB_MGGA_XC_MPWB1K 446  /* Mixture of mPW91 with BC95 for kinetics                    */
#define  XC_HYB_MGGA_XC_X1B95 447  /* Mixture of X with BC95                                     */
#define  XC_HYB_MGGA_XC_XB1K  448  /* Mixture of X with BC95 for kinetics                        */
#define  XC_HYB_MGGA_XC_M06   449  /* M06 functional of Minnesota                                */
#define  XC_HYB_MGGA_XC_M06_2X 450  /* M06-2X functional of Minnesota                             */
#define  XC_HYB_MGGA_XC_PW6B95 451  /* Mixture of PW91 with BC95 from Zhao and Truhlar            */
#define  XC_HYB_MGGA_XC_PWB6K 452  /* Mixture of PW91 with BC95 from Zhao and Truhlar for kinetics */
#define  XC_HYB_MGGA_XC_TPSSH 457  /*    TPSS hybrid                                             */
#define  XC_HYB_MGGA_XC_REVTPSSH 458  /* revTPSS hybrid                                             */