This file is indexed.

/usr/share/openbabel/2.3.2/mmffbond.par is in libopenbabel4v5 2.3.2+dfsg-2.2build1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
*
*                 Copyright (c) Merck and Co., Inc., 1994
*                           All Rights Reserved
*
* MMFF BOND PARAMETERS- Rev: 26-OCT-94  Source: MMFF94
* C94  = CORE MMFF94 parameter - obtained from ab initio data
* X94  = EXTD MMFF94 parameter - fit to additional ab initio data
* E94  = r0 from fit to X-ray data, kb from empirical rule
* #C94 = r0 lies between C94 and E94 values, kb from empirical rule
* #X94 = r0 lies between X94 and E94 values, kb from empirical rule
* #E94  = r0 and k both from empirical rules
*
*   types       kb         r0    Source
0   1    1     4.258     1.508   C94
0   1    2     4.539     1.482   C94
0   1    3     4.190     1.492   C94
0   1    4     4.707     1.459   X94
0   1    5     4.766     1.093   C94
0   1    6     5.047     1.418   C94
0   1    8     5.084     1.451   C94
0   1    9     4.763     1.458   C94
0   1   10     4.664     1.436   C94
0   1   11     6.011     1.360   #C94
0   1   12     2.974     1.773   C94
0   1   13     2.529     1.949   E94
0   1   14     1.706     2.090   E94
0   1   15     2.893     1.805   C94
0   1   17     2.841     1.813   X94
0   1   18     3.258     1.772   X94
0   1   19     2.866     1.830   #X94
0   1   20     4.650     1.504   C94
0   1   22     4.286     1.482   E94
0   1   25     2.980     1.810   #X94
0   1   26     2.790     1.830   #X94
0   1   34     3.844     1.480   #C94
0   1   35     7.915     1.307   X94
0   1   37     4.957     1.486   C94
0   1   39     6.114     1.445   C94
0   1   40     4.922     1.446   C94
0   1   41     3.830     1.510   #C94
0   1   43     3.971     1.472   X94
0   1   45     3.844     1.480   X94
0   1   46     3.813     1.482   X94
0   1   54     4.267     1.461   C94
0   1   55     4.646     1.454   C94
0   1   56     4.166     1.453   C94
0   1   57     4.669     1.461   E94
0   1   58     4.329     1.451   E94
0   1   61     4.845     1.424   X94
0   1   62     4.456     1.444   X94
0   1   63     4.481     1.471   E94
0   1   64     4.518     1.469   E94
0   1   67     4.188     1.459   E94
0   1   68     4.217     1.479   C94
0   1   72     2.956     1.801   X94
0   1   73     2.608     1.839   X94
0   1   75     2.547     1.858   E94
0   1   78     4.593     1.465   E94
0   1   80     4.373     1.477   E94
0   1   81     4.512     1.441   E94
0   2    2     9.505     1.333   C94
1   2    2     5.310     1.430   #C94
1   2    3     4.565     1.468   C94
0   2    4     9.538     1.297   E94
1   2    4     5.657     1.415   E94
0   2    5     5.170     1.083   C94
0   2    6     5.520     1.373   C94
1   2    9     6.385     1.360   E94
0   2   10     6.329     1.362   E94
0   2   11     6.283     1.350   #X94
0   2   12     3.390     1.720   #X94
0   2   13     3.413     1.854   E94
0   2   14     2.062     2.025   E94
0   2   15     3.896     1.720   E94
0   2   17     3.247     1.773   E94
0   2   18     3.789     1.728   E94
0   2   19     3.052     1.811   E94
0   2   20     4.593     1.465   E94
0   2   22     4.926     1.448   E94
0   2   25     3.750     1.742   E94
0   2   30     8.166     1.331   E94
0   2   34     5.207     1.407   E94
0   2   35    10.343     1.250   #X94
1   2   37     5.007     1.449   C94
1   2   39     6.164     1.368   E94
0   2   40     6.110     1.370   #C94
0   2   41     3.746     1.505   C94
0   2   43     4.928     1.420   E94
0   2   45     4.725     1.430   #X94
0   2   46     7.466     1.325   E94
0   2   55     6.164     1.368   E94
0   2   56     6.246     1.365   E94
0   2   62     7.105     1.336   X94
1   2   63     6.030     1.400   E94
1   2   64     5.754     1.411   E94
1   2   67     4.685     1.432   E94
0   2   72     4.179     1.700   #X94
1   2   81     6.357     1.361   E94
1   3    3     4.418     1.489   C94
1   3    4     5.135     1.438   E94
0   3    5     4.650     1.101   C94
0   3    6     5.801     1.355   C94
0   3    7    12.950     1.222   C94
0   3    9    10.077     1.290   C94
1   3    9     6.273     1.364   E94
0   3   10     5.829     1.369   C94
0   3   11     6.570     1.340   E94
0   3   12     3.449     1.715   E94
0   3   15     3.536     1.748   E94
0   3   16     4.735     1.665   E94
0   3   17     2.888     1.808   E94
0   3   18     3.394     1.760   E94
0   3   20     3.298     1.530   C94
0   3   22     4.593     1.465   E94
0   3   25     3.164     1.792   E94
1   3   30     4.481     1.471   E94
0   3   35    11.012     1.237   E94
1   3   37     4.488     1.457   C94
1   3   39     5.978     1.375   E94
0   3   40     6.110     1.370   #C94
0   3   41     4.286     1.482   E94
0   3   43     4.928     1.420   X94
0   3   45     4.531     1.440   E94
0   3   48     5.412     1.398   E94
0   3   51     8.562     1.290   #X94
0   3   53     7.637     1.320   #X94
0   3   54    10.333     1.280   C94
1   3   54     2.771     1.563   E94
0   3   55     4.886     1.422   E94
0   3   56     4.907     1.421   E94
1   3   57     5.492     1.422   E94
1   3   58     5.163     1.409   E94
0   3   62     7.568     1.322   E94
1   3   63     5.468     1.423   E94
1   3   64     5.288     1.431   E94
0   3   67     8.217     1.304   E94
0   3   74     5.204     1.639   X94
0   3   75     4.191     1.710   #X94
1   3   78     5.705     1.413   E94
1   3   80     6.719     1.375   E94
0   4    4    15.206     1.200   #X94
0   4    5     5.726     1.065   X94
0   4    6     7.193     1.328   E94
0   4    7    14.916     1.176   E94
0   4    9    15.589     1.172   E94
1   4    9     7.041     1.338   E94
0   4   10     6.824     1.345   E94
0   4   15     4.330     1.690   E94
0   4   20     5.178     1.436   E94
0   4   22     5.400     1.426   E94
0   4   30    10.227     1.282   E94
1   4   37     5.445     1.424   E94
0   4   42    16.582     1.160   #X94
0   4   43     6.947     1.341   E94
1   4   63     5.633     1.416   E94
1   4   64     5.492     1.422   E94
0   5   19     2.254     1.485   X94
0   5   20     4.852     1.093   C94
0   5   22     5.191     1.082   C94
0   5   30     5.176     1.086   C94
0   5   37     5.306     1.084   C94
0   5   41     3.256     1.144   C94
0   5   57     5.633     1.076   C94
0   5   63     5.531     1.080   C94
0   5   64     5.506     1.080   C94
0   5   78     5.506     1.080   C94
0   5   80     5.633     1.076   C94
0   6    6     4.088     1.449   E94
0   6    8     5.059     1.450   C94
0   6    9     4.491     1.395   E94
0   6   10     5.982     1.410   C94
0   6   15     4.757     1.661   E94
0   6   17     5.779     1.608   E94
0   6   18     5.326     1.630   #X94
0   6   19     4.661     1.660   #X94
0   6   20     5.623     1.433   C94
0   6   21     7.794     0.972   C94
0   6   22     4.556     1.433   E94
0   6   24     7.403     0.981   C94
0   6   25     5.243     1.630   #X94
0   6   26     5.481     1.618   E94
0   6   29     7.839     0.973   C94
0   6   30     9.359     1.271   E94
0   6   33     7.143     0.986   X94
0   6   37     5.614     1.376   C94
0   6   39     4.629     1.388   E94
0   6   40     4.609     1.389   E94
0   6   41     6.754     1.342   E94
0   6   43     3.937     1.426   E94
0   6   45     4.321     1.404   X94
0   6   54     5.117     1.365   E94
0   6   55     4.772     1.381   E94
0   6   57     7.128     1.330   E94
0   6   58     4.792     1.380   E94
0   6   63     7.324     1.324   E94
0   6   64     6.664     1.345   E94
0   7   17     8.770     1.500   #X94
0   7   46     9.329     1.235   X94
0   7   74     9.129     1.490   #X94
0   8    8     3.264     1.420   E94
0   8    9     4.581     1.342   E94
0   8   10     3.909     1.378   E94
0   8   12     3.371     1.761   E94
0   8   15     4.060     1.652   E94
0   8   17     3.901     1.663   E94
0   8   19     4.254     1.700   E94
0   8   20     5.107     1.456   C94
0   8   22     4.223     1.457   E94
0   8   23     6.490     1.019   C94
0   8   25     4.629     1.660   E94
0   8   26     4.027     1.699   E94
0   8   34     3.775     1.386   E94
0   8   39     3.435     1.408   E94
0   8   40     3.710     1.390   E94
0   8   43     3.977     1.374   E94
0   8   45     4.267     1.358   E94
0   8   46     5.519     1.301   E94
0   8   55     4.229     1.360   E94
0   8   56     3.995     1.373   E94
0   9    9     7.256     1.243   E94
1   9    9     3.808     1.384   E94
0   9   10     4.480     1.347   E94
0   9   12     3.635     1.739   E94
0   9   15     3.791     1.671   E94
0   9   18     4.465     1.626   E94
0   9   19     3.687     1.741   E94
0   9   20     4.401     1.447   E94
0   9   25     5.379     1.619   E94
0   9   27     6.230     1.026   C94
0   9   34     3.223     1.423   E94
0   9   35     5.095     1.366   E94
1   9   37     5.529     1.393   E94
1   9   39     4.685     1.337   E94
0   9   40     4.382     1.352   E94
0   9   41     5.650     1.388   E94
0   9   45     4.857     1.329   E94
0   9   53     7.291     1.242   X94
0   9   54     4.991     1.323   E94
0   9   55     3.825     1.383   E94
0   9   56     4.602     1.341   E94
1   9   57     6.824     1.345   E94
0   9   62     4.749     1.334   E94
1   9   63     6.824     1.345   E94
1   9   64     5.458     1.396   E94
0   9   67     6.752     1.258   E94
1   9   78     6.644     1.351   E94
1   9   81     3.909     1.378   E94
0  10   10     3.977     1.374   E94
0  10   13     3.110     1.878   E94
0  10   14     1.967     2.029   E94
0  10   15     3.593     1.686   E94
0  10   17     3.930     1.661   E94
0  10   20     4.240     1.456   E94
0  10   22     4.970     1.418   E94
0  10   25     3.820     1.714   E94
0  10   26     3.651     1.727   E94
0  10   28     6.663     1.015   C94
0  10   34     3.960     1.375   E94
0  10   35     4.898     1.375   E94
0  10   37     5.482     1.395   E94
0  10   39     4.382     1.352   E94
0  10   40     3.841     1.382   E94
0  10   41     7.466     1.325   E94
0  10   45     3.524     1.402   E94
0  10   63     6.137     1.369   E94
0  10   64     5.952     1.376   E94
0  11   20     6.339     1.348   E94
0  11   22     5.296     1.389   X94
0  11   25     6.019     1.583   E94
0  11   26     6.204     1.575   E94
0  11   37     6.511     1.342   E94
0  11   40     4.187     1.440   E94
0  12   15     2.978     2.031   E94
0  12   18     2.808     2.051   E94
0  12   19     2.838     2.050   #X94
0  12   20     2.859     1.751   C94
0  12   22     3.056     1.750   #X94
0  12   25     3.063     2.023   E94
0  12   26     2.448     2.100   #X94
0  12   37     3.378     1.721   E94
0  12   40     3.737     1.731   E94
0  12   57     3.714     1.694   E94
0  12   63     3.413     1.718   E94
0  12   64     3.649     1.699   E94
0  13   20     2.767     1.920   E94
0  13   22     2.928     1.902   E94
0  13   37     3.031     1.891   E94
0  13   64     3.031     1.891   E94
0  14   20     0.884     2.332   E94
0  14   37     1.781     2.075   E94
0  15   15     2.531     2.050   C94
0  15   18     2.214     2.094   E94
0  15   19     2.022     2.146   E94
0  15   20     2.757     1.822   E94
0  15   22     3.802     1.727   E94
0  15   25     2.319     2.112   E94
0  15   26     2.359     2.106   E94
0  15   30     3.750     1.731   E94
0  15   37     3.565     1.765   C94
0  15   40     3.859     1.666   E94
0  15   43     3.221     1.717   E94
0  15   57     3.993     1.713   E94
0  15   63     3.724     1.733   E94
0  15   64     3.548     1.747   E94
0  15   71     4.014     1.341   C94
0  17   20     2.397     1.865   E94
0  17   22     2.566     1.844   E94
0  17   37     3.098     1.787   E94
0  17   43     4.900     1.601   E94
0  18   20     3.172     1.780   E94
0  18   22     2.757     1.822   E94
0  18   32    10.748     1.450   #X94
0  18   37     3.281     1.770   X94
0  18   39     3.504     1.693   X94
0  18   43     3.301     1.710   #X94
0  18   48     6.186     1.540   X94
0  18   55     4.432     1.628   E94
0  18   58     2.568     1.783   E94
0  18   62     5.510     1.570   #X94
0  18   63     3.524     1.749   E94
0  18   64     3.856     1.723   E94
0  18   80     4.150     1.702   E94
0  19   20     2.288     1.900   E94
0  19   37     3.072     1.809   E94
0  19   40     4.470     1.686   E94
0  19   63     3.219     1.795   E94
0  19   75     1.600     2.226   E94
0  20   20     3.663     1.526   C94
0  20   22     4.251     1.484   E94
0  20   25     2.718     1.838   E94
0  20   26     2.588     1.853   E94
0  20   30     3.977     1.507   C94
0  20   34     4.171     1.460   E94
0  20   37     3.740     1.516   E94
0  20   40     4.784     1.427   E94
0  20   41     4.286     1.482   E94
0  20   43     3.737     1.487   E94
0  20   45     3.844     1.480   E94
0  22   22     3.969     1.499   C94
0  22   30     3.785     1.513   E94
0  22   34     4.103     1.464   E94
0  22   37     4.481     1.471   E94
0  22   40     4.188     1.459   E94
0  22   41     5.071     1.441   E94
0  22   43     4.070     1.466   E94
0  22   45     4.311     1.452   E94
0  23   39     7.112     1.012   C94
0  23   62     6.339     1.026   X94
0  23   67     6.610     1.019   #E94
0  23   68     5.899     1.038   C94
0  25   25     1.514     2.253   E94
0  25   32     8.296     1.510   #X94
0  25   37     3.586     1.755   E94
0  25   39     4.370     1.676   E94
0  25   40     4.629     1.660   E94
0  25   43     3.237     1.762   X94
0  25   57     4.356     1.699   E94
0  25   63     3.711     1.745   E94
0  25   71     3.001     1.411   X94
0  25   72     3.744     1.950   #X94
0  26   26     1.414     2.279   E94
0  26   34     3.395     1.748   E94
0  26   37     3.207     1.788   E94
0  26   40     4.870     1.646   E94
0  26   71     2.959     1.415   C94
0  28   40     6.576     1.018   C94
0  28   43     6.265     1.028   X94
0  28   48     6.413     1.024   X94
0  30   30     9.579     1.343   C94
1  30   30     5.355     1.428   E94
0  30   40     8.447     1.298   E94
1  30   67     5.274     1.404   E94
0  31   70     7.880     0.969   C94
0  32   41     9.756     1.261   C94
0  32   45     9.420     1.233   X94
0  32   67     7.926     1.269   E94
0  32   68     4.398     1.348   C94
0  32   69     6.098     1.261   C94
0  32   73     8.427     1.510   #X94
0  32   77    10.648     1.450   #X94
0  32   82     8.594     1.252   E94
0  34   36     6.163     1.028   C94
0  34   37     4.347     1.450   E94
0  34   43     4.401     1.351   E94
0  35   37     9.767     1.262   E94
0  35   63    12.760     1.207   E94
0  36   54     6.529     1.022   C94
0  36   55     6.744     1.014   C94
0  36   56     6.490     1.017   C94
0  36   58     6.610     1.019   #E94
0  36   81     6.980     1.016   C94
0  37   37     5.573     1.374   C94
1  37   37     5.178     1.436   E94
0  37   38     5.737     1.333   C94
0  37   39     5.978     1.375   E94
1  37   39     5.650     1.388   E94
0  37   40     6.168     1.398   C94
0  37   41     4.537     1.468   E94
0  37   43     4.764     1.428   X94
0  37   45     4.705     1.431   E94
0  37   46     6.191     1.367   E94
0  37   55     6.615     1.352   E94
0  37   56     5.055     1.414   E94
1  37   57     5.092     1.440   E94
0  37   58     7.432     1.326   E94
1  37   58     5.055     1.414   E94
0  37   61     5.724     1.385   E94
0  37   62     7.137     1.335   E94
0  37   63     6.095     1.372   C94
1  37   63     5.178     1.436   E94
0  37   64     6.161     1.379   C94
1  37   64     5.265     1.432   E94
1  37   67     4.725     1.430   E94
0  37   69     5.396     1.352   C94
0  37   78     6.719     1.375   E94
0  37   81     3.987     1.471   E94
1  37   81     4.531     1.440   E94
0  38   38     5.002     1.246   C94
0  38   63     7.299     1.330   E94
0  38   64     6.978     1.340   E94
0  38   69     5.036     1.321   E94
0  38   78     6.218     1.366   E94
0  39   40     4.101     1.367   E94
0  39   45     3.524     1.402   E94
0  39   63     6.301     1.364   C94
1  39   63     6.137     1.369   E94
0  39   64     6.357     1.361   E94
1  39   64     5.482     1.395   E94
0  39   65     5.513     1.339   C94
0  39   78     6.137     1.369   E94
0  40   40     4.248     1.359   E94
0  40   45     4.305     1.356   E94
0  40   46     4.727     1.335   E94
0  40   54     6.817     1.256   E94
0  40   63     6.733     1.348   E94
0  40   64     6.644     1.351   E94
0  40   78     5.900     1.378   E94
0  41   41     5.029     1.443   E94
0  41   55     5.577     1.391   E94
0  41   62     7.137     1.335   E94
0  41   72     4.519     1.678   X94
0  41   80     5.222     1.434   E94
0  42   61    16.223     1.087   E94
0  43   43     4.211     1.361   E94
0  43   45     3.710     1.390   E94
0  43   64     5.389     1.399   E94
0  44   63     3.589     1.717   C94
0  44   65     3.374     1.684   C94
0  44   78     3.711     1.734   E94
0  44   80     3.910     1.719   E94
0  45   63     5.119     1.411   E94
0  45   64     5.076     1.413   E94
0  45   78     5.724     1.385   E94
0  47   53    12.192     1.140   #X94
0  49   50     6.812     0.991   C94
0  51   52     7.100     0.987   X94
0  55   57     7.227     1.319   C94
0  55   62     3.977     1.374   E94
0  55   64     5.529     1.393   E94
0  55   80     7.500     1.324   E94
0  56   57     4.137     1.383   C94
0  56   63     5.900     1.378   E94
0  56   80     6.470     1.357   E94
1  57   63     5.400     1.426   E94
1  57   64     5.135     1.438   E94
0  58   63     6.794     1.346   E94
0  58   64     6.164     1.368   E94
0  59   63     5.787     1.360   C94
0  59   65     4.756     1.388   C94
0  59   78     6.127     1.364   E94
0  59   80     7.064     1.332   E94
0  59   82     3.855     1.431   E94
0  60   61    15.749     1.170   #X94
0  62   63     6.947     1.341   E94
0  62   64     6.273     1.364   E94
1  63   63     5.729     1.412   E94
0  63   64     7.118     1.377   C94
0  63   66     8.326     1.313   C94
0  63   72     4.503     1.679   E94
0  63   78     7.434     1.352   E94
0  63   81     7.778     1.316   E94
0  64   64     4.313     1.418   C94
1  64   64     4.926     1.448   E94
0  64   65     8.258     1.335   C94
0  64   66     4.456     1.369   C94
0  64   78     5.492     1.422   E94
0  64   81     5.824     1.381   E94
0  64   82     6.794     1.346   E94
0  65   66     7.243     1.323   C94
0  65   78     8.447     1.298   E94
0  65   81     5.223     1.313   E94
0  65   82     5.622     1.297   E94
0  66   66     3.874     1.368   C94
0  66   78     6.385     1.360   E94
0  66   81     3.960     1.375   E94
0  67   67     6.085     1.280   E94
0  71   75     2.852     1.423   X94
0  72   73     2.628     2.035   X94
0  76   76     4.286     1.357   X94
0  76   78     6.824     1.345   X94
0  78   78     5.573     1.374   C94
0  78   79     8.890     1.287   E94
0  78   81     5.046     1.381   C94
0  79   79     6.408     1.269   E94
0  79   81     4.305     1.356   E94
0  80   81     8.237     1.335   C94
$