/usr/share/avogadro/crystals/clays/Mg2Al2SiO9H4-Amesite.cif is in avogadro-data 1.2.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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_chemical_name_mineral 'Amesite'
loop_
_publ_author_name
'Zheng H'
'Bailey S W'
_journal_name_full 'Clays and Clay Minerals'
_journal_volume 45
_journal_year 1997
_journal_page_first 301
_journal_page_last 310
_publ_section_title
;
Refinement of an amesite-2H1 polytype from Postmasburg, South Africa
Note: polytype 2H1
;
_database_code_amcsd 0018811
_chemical_compound_source 'Postmasburg, South Africa'
_chemical_formula_sum 'Mg2 Al2 Si O9 H4'
_cell_length_a 5.299
_cell_length_b 9.181
_cell_length_c 14.050
_cell_angle_alpha 90.06
_cell_angle_beta 90.30
_cell_angle_gamma 90.00
_cell_volume 683.524
_exptl_crystal_density_diffrn 2.708
_symmetry_space_group_name_H-M 'C 1'
loop_
_space_group_symop_operation_xyz
'x,y,z'
'1/2+x,1/2+y,z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
MgM1 0.16990 0.16950 0.23410 0.87000 0.00760
AlM1 0.16990 0.16950 0.23410 0.13000 0.00760
AlM2 0.66630 0.00070 0.23410 0.62000 0.00920
MgM2 0.66630 0.00070 0.23410 0.38000 0.00920
MgM3 0.66970 0.33220 0.23450 0.85000 0.00820
AlM3 0.66970 0.33220 0.23450 0.15000 0.00820
SiT1 0.50000 0.16670 0.03830 0.72000 0.00840
AlT1 0.50000 0.16670 0.03830 0.28000 0.00840
AlT2 0.00120 0.33600 0.03880 0.72000 0.01100
SiT2 0.00120 0.33600 0.03880 0.28000 0.01100
O1 0.49700 0.16320 0.15820 1.00000 0.00800
O2 -0.00300 0.33750 0.16140 1.00000 0.01100
O3 0.58400 0.00360 -0.00230 1.00000 0.01600
O4 0.21500 0.21200 -0.00360 1.00000 0.01600
O5 0.70700 0.29200 0.00170 1.00000 0.02000
O-h1 -0.01100 -0.00100 0.16150 1.00000 0.01100
O-h2 0.33000 -0.00300 0.30300 1.00000 0.02400
O-h3 0.32600 0.33600 0.30290 1.00000 0.02200
O-h4 -0.17300 0.15900 0.30300 1.00000 0.01800
AlM11 0.34060 0.33480 0.73420 0.50000 0.00810
MgM11 0.34060 0.33480 0.73420 0.50000 0.00810
MgM22 0.34300 0.00300 0.73450 0.90000 0.00890
AlM22 0.34300 0.00300 0.73450 0.10000 0.00890
AlM33 0.84090 0.17060 0.73430 0.50000 0.00810
MgM33 0.84090 0.17060 0.73430 0.50000 0.00810
AlT11 0.50970 0.17060 0.53900 0.72000 0.01200
SiT11 0.50970 0.17060 0.53900 0.28000 0.01200
SiT22 0.00830 0.33440 0.53860 0.72000 0.01000
AlT22 0.00830 0.33440 0.53860 0.28000 0.01000
Oll 0.51900 0.17800 0.66200 1.00000 0.01200
O22 0.01800 0.33300 0.65810 1.00000 0.01400
O33 0.42900 0.00030 0.50010 1.00000 0.01400
O44 0.29000 0.29000 0.49600 1.00000 0.01500
O55 0.79900 0.21300 0.49720 1.00000 0.02200
O-hll 0.00700 0.00400 0.66270 1.00000 0.01300
O-h22 0.17900 0.17700 0.80370 1.00000 0.01900
O-h33 0.19100 0.50500 0.80400 1.00000 0.01500
O-h44 0.67700 0.33300 0.80470 1.00000 0.01800
H1 0.98400 0.99800 0.08900 1.00000 ?
H2 0.35300 0.96900 0.37100 1.00000 ?
H3 0.30800 0.32500 0.37400 1.00000 ?
H4 0.84600 0.16900 0.37800 1.00000 ?
H11 0.00600 0.00400 0.58800 1.00000 ?
H22 0.19000 0.19700 0.87600 1.00000 ?
H33 0.16200 0.50500 0.87800 1.00000 ?
H44 0.68500 0.31500 0.87600 1.00000 ?
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
MgM1 0.00700 0.00700 0.00900 -0.00120 0.00050 0.00060
AlM1 0.00700 0.00700 0.00900 -0.00120 0.00050 0.00060
AlM2 0.00800 0.00800 0.01100 -0.00170 0.00040 0.00070
MgM2 0.00800 0.00800 0.01100 -0.00170 0.00040 0.00070
MgM3 0.00700 0.00700 0.01000 -0.00130 0.00060 0.00070
AlM3 0.00700 0.00700 0.01000 -0.00130 0.00060 0.00070
SiT1 0.00700 0.00700 0.01100 -0.00310 0.00120 0.00080
AlT1 0.00700 0.00700 0.01100 -0.00310 0.00120 0.00080
AlT2 0.00900 0.01000 0.01300 -0.00350 0.00100 0.00100
SiT2 0.00900 0.01000 0.01300 -0.00350 0.00100 0.00100
O1 0.00700 0.00700 0.00800 -0.00100 0.00000 0.00000
O2 0.01000 0.01100 0.01100 0.00000 0.00000 0.00000
O3 0.01600 0.01600 0.01700 0.00000 0.00100 0.00000
O4 0.01600 0.01600 0.01700 -0.00100 0.00000 0.00100
O5 0.02000 0.02000 0.02100 -0.00100 0.00000 0.00100
O-h1 0.01100 0.01100 0.01200 0.00000 0.00000 0.00000
O-h2 0.02420 0.02450 0.02390 0.00000 0.00000 0.00000
O-h3 0.02200 0.02300 0.02200 0.00000 0.00000 0.00000
O-h4 0.01800 0.01800 0.01700 0.00000 0.00000 0.00000
AlM11 0.00800 0.00700 0.01000 -0.00190 0.00040 0.00050
MgM11 0.00800 0.00700 0.01000 -0.00190 0.00040 0.00050
MgM22 0.00700 0.00900 0.01000 -0.00150 -0.00020 0.00070
AlM22 0.00700 0.00900 0.01000 -0.00150 -0.00020 0.00070
AlM33 0.00700 0.00700 0.01000 -0.00220 0.00040 0.00030
MgM33 0.00700 0.00700 0.01000 -0.00220 0.00040 0.00030
AlT11 0.01200 0.01100 0.01400 -0.00320 0.00100 0.00100
SiT11 0.01200 0.01100 0.01400 -0.00320 0.00100 0.00100
SiT22 0.01000 0.01000 0.01200 -0.00210 0.00060 0.00050
AlT22 0.01000 0.01000 0.01200 -0.00210 0.00060 0.00050
Oll 0.01200 0.01100 0.01200 -0.00200 0.00000 0.00100
O22 0.01300 0.01400 0.01400 0.00000 0.00000 0.00000
O33 0.01400 0.01400 0.01500 0.00000 0.00000 0.00100
O44 0.01500 0.01500 0.01600 0.00000 0.00000 0.00000
O55 0.02200 0.02200 0.02200 0.00000 0.00000 0.00000
O-hll 0.01300 0.01400 0.01400 0.00000 0.00000 0.00000
O-h22 0.01900 0.01900 0.01900 0.00000 0.00000 0.00000
O-h33 0.01500 0.01500 0.01500 -0.00100 0.00000 0.00000
O-h44 0.01800 0.01800 0.01700 -0.00100 0.00000 0.00000
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