MM+ Torsional Parameter Pairs That Lead to Errors


The following pairs of torsional angle types will cause errors in the
results of current versions of MM+ calculations, if both members
of a pair are present in the workspace at the same time.  Line numbers
refer to lines in the MMPTOR.TXT parameter file; then the atom types and
the three torsional parameters are shown.

Line    5: c4 c4 c3 c3   -0.44000    0.24000    0.06000
        8: c3 c4 c3 c4    0.00000    0.00000    0.30000

Line   14: c4 c4 c3 co    0.00000    0.00000    0.45700
       19: co c4 c3 c4    0.00000    0.00000    0.00000

Line   15: c4 c4 co c3    0.00000    0.00000   -0.11000
       18: c3 c4 co c4    0.00000    0.00000    0.00000

Line   21: c4 c3 co c3    0.00000   11.10000    0.00000
       22: c3 c3 co c4   -2.30000   11.10000    0.00000

Line   30: c4 c4 c3 c2   -0.44000    0.24000    0.06000
       32: c2 c4 c3 c4    0.00000    0.00000    0.78000

Line   44: c4 c4 c3 h    0.00000    0.00000    0.01000
       46: h c4 c3 c4    0.00000    0.00000    0.54000

Line   48: c3 c4 c3 h    0.00000    0.00000    0.60000
       49: h c4 c3 c3    0.00000    0.00000   -0.24000

Line   51: c4 c4 co h    0.73000    0.27000    0.68000
       53: h c4 co c4    0.00000    0.00000    0.13000

Line   54: c4 c3 co h    3.30000   15.00000    0.00000
       59: h c3 co c4    0.00000   11.10000    0.00000

Line   55: c3 c4 co h    0.00000    0.00000    0.00000
       58: h c4 co c3    0.00000    0.00000   -0.24400

Line   56: co c4 c3 h    0.00000    0.00000    0.00000
       57: h c4 c3 co    0.00000    0.00000    0.20000

Line   60: c3 c3 co h    0.50000   11.10000    0.00000
       62: h c3 co c3    0.40000   11.10000    0.00000

Line   65: c2 c4 c3 h    0.00000    0.00000    0.78000
       66: h c4 c3 c2    0.00000    0.00000   -0.24000

Line   78: c4 c4 o2 c3    0.00000    0.00000    0.40000
       81: c3 c4 o2 c4    0.00000    0.00000    0.40300

Line   84: c4 c3 o2 c3    0.00000    0.00000    0.00000
       86: c3 c3 o2 c4    3.53000    2.30000   -3.53000

Line   90: c4 c4 co o2    0.40000   -0.30000   -0.07000
       95: o2 c4 co c4    0.00000    0.00000    0.00000

Line   91: c4 c4 o2 co   -2.03000    1.21000   -0.67000
       94: co c4 o2 c4    0.00000    0.00000    0.40300

Line  103: h c4 c3 o2    0.00000    0.00000    0.54000
      106: o2 c4 c3 h    0.00000    0.00000    0.00000

Line  109: h c4 co o2    0.00000    0.00000   -0.01600
      112: o2 c4 co h    0.00000    0.00000    0.00000

Line  113: c4 c4 o2 o2    0.00000    0.00000    0.40000
      116: o2 c4 o2 c4   -0.17000   -1.20000    0.00000

Line  150: c4 c4 n3 n3   -0.20000    0.73000    0.80000
      153: n3 c4 n3 c4    0.00000    0.00000    0.35000

Line  165: c4 c4 n2 co    0.00000    0.00000    0.00000
      168: co c4 n2 c4    0.00000    0.00000    0.45700

Line  169: c4 co n2 c3   -4.00000    2.70000    0.50000
      171: c3 co n2 c4    0.00000    5.00000    0.00000

Line  264: c4 c4 s2 h    0.00000   -0.35000    0.36700
      266: h c4 s2 c4    0.00000    0.00000    0.54000

Line  274: n2 c4 c4 s2   -1.00000   -0.30000    0.40000
      275: n2 c4 c4 s2    0.00000    0.00000    0.00000

Line  279: c4 c4 s2 s2    0.00000    0.00000    0.26700
      282: s2 c4 s2 c4    0.00000   -0.90000    0.30000

Line  296: c4 c4 s+ h    0.00000    0.00000    0.26700
      298: h c4 s+ c4    0.00000    0.00000    0.48300

Line  343: c4 c4 si h    0.00000    0.00000    0.27200
      345: h c4 si c4    0.00000    0.00000    0.20000

Line  346: c3 c4 si h    0.00000    0.00000    0.16700
      347: h c4 si c3    0.00000    0.00000    0.11700

Line  350: c3 c3 si h    0.00000    0.00000    0.00000
      352: h c3 si c3    0.00000    0.00000    0.60000

Line  362: c4 c4 si si    0.00000    0.00000    0.30000
      365: si c4 si c4    0.00000    0.00000    0.16700

Line  370: h c4 si si    0.00000    0.00000    0.27000
      371: si c4 si h    0.00000    0.00000    0.16700

Line  420: c4 c4 cp h    0.00000    0.00000    0.26700
      422: h c4 cp c4    0.00000    0.00000    0.69000

Line  425: c3 c3 cp h   -0.30000    1.60000   -0.50000
      427: h c3 cp c3    0.00000    0.00000    0.60000

Line  432: c4 c4 cp cp    0.30000    0.00000    0.45000
      435: cp c4 cp c4    0.20000    0.27000    0.09300

Line  480: c4 c4 p h   -0.53000   -0.40000    0.60000
      482: h c4 p c4    0.05000    0.00000    0.42000

Line  510: c4 c4 cr h    0.00000    0.20000    0.20000
      512: h c4 cr c4    0.00000    0.00000    0.34000

Line  517: c4 c4 ge h    0.00000    0.00000    0.15200
      519: h c4 ge c4    0.00000    0.00000    0.12700

Line  523: c4 c4 sn h    0.00000    0.00000    0.07000
      525: h c4 sn c4    0.00000    0.00000    0.08900

Line  537: c4 c4 se h    0.00000   -0.20000    0.30000
      539: h c4 se c4    0.00000    0.00000    0.36000

Line  543: c4 c4 te h    0.00000   -0.20000    0.30000
      545: h c4 te c4    0.00000    0.00000    0.36000

Line  564: h c4 c3 na    0.00000    0.00000   -0.24000
      567: na c4 c3 h    0.00000    0.00000    0.50000

Line  604: h cp cz cp    0.00000    2.00000    0.54000
      605: cp cp cz h    0.00000    0.00000    0.00000

Line  610: h cp cz cz    0.00000    0.00000    0.00000
      612: cz cp cz h    0.00000    0.00000    0.60000

Line  728: c4 c4 ca ca   -0.44000    0.24000    0.06000
     1105: ca c4 ca c4    0.00000    0.00000    0.30000

Line  731: h c4 ca ca    0.00000    0.00000   -0.24000
     1106: ca c4 ca h    0.00000    0.00000    0.60000

Line  742: c4 c4 ck h    0.73000    0.27000    0.68000
      744: h c4 ck c4    0.00000    0.00000    0.13000

Line  769: h co nc h    0.00000   16.00000    1.60000
      770: h co nc h    0.00000    0.00000    0.00000

Line  802: c2 c4 ca c4    0.00000    0.00000    0.78000
      945: c4 c4 ca c2   -0.44000    0.24000    0.06000

Line  804: c2 c4 ca h    0.00000    0.00000    0.78000
     1308: h c4 ca c2    0.00000    0.00000   -0.24000

Line  844: c3 c4 ca c4    0.00000    0.00000    0.30000
      946: c4 c4 ca c3   -0.44000    0.24000    0.06000

Line  846: c3 c4 ca h    0.00000    0.00000    0.60000
     1309: h c4 ca c3    0.00000    0.00000   -0.24000

Line  869: c3 ca co c4   -2.30000   11.10000    0.00000
      964: c4 ca co c3    0.00000   11.10000    0.00000

Line  871: c3 ca co h    0.50000   11.10000    0.00000
     1335: h ca co c3    0.40000   11.10000    0.00000

Line  879: c3 ca cp h   -0.30000    1.60000   -0.50000
     1341: h ca cp c3    0.00000    0.00000    0.60000

Line  903: c3 ca o2 c4    3.53000    2.30000   -3.53000
      973: c4 ca o2 c3    0.00000    0.00000    0.00000

Line  922: c3 ca si h    0.00000    0.00000    0.00000
     1378: h ca si c3    0.00000    0.00000    0.60000

Line  931: c4 c3 c4 ca    0.00000    0.00000    0.30000
     1001: ca c3 c4 c4   -0.44000    0.24000    0.06000

Line  942: c4 c3 co ca    0.00000   11.10000    0.00000
     1039: ca c3 co c4   -2.30000   11.10000    0.00000

Line  944: c4 c3 o2 ca    0.00000    0.00000    0.00000
     1073: ca c3 o2 c4    3.53000    2.30000   -3.53000

Line  948: c4 c4 ca co    0.00000    0.00000    0.45700
     1251: co c4 ca c4    0.00000    0.00000    0.00000

Line  949: c4 c4 ca h    0.00000    0.00000    0.01000
     1310: h c4 ca c4    0.00000    0.00000    0.54000

Line  952: c4 c4 co ca    0.00000    0.00000   -0.11000
     1108: ca c4 co c4    0.00000    0.00000    0.00000

Line  954: c4 c4 o2 ca    0.00000    0.00000    0.40000
     1125: ca c4 o2 c4    0.00000    0.00000    0.40300

Line  966: c4 ca co ca    0.00000   11.10000    0.00000
     1153: ca ca co c4   -2.30000   11.10000    0.00000

Line  967: c4 ca co h    3.30000   15.00000    0.00000
     1336: h ca co c4    0.00000   11.10000    0.00000

Line  975: c4 ca o2 ca    0.00000    0.00000    0.00000
     1187: ca ca o2 c4    3.53000    2.30000   -3.53000

Line  978: c4 co n2 ca   -4.00000    2.70000    0.50000
     1208: ca co n2 c4    0.00000    5.00000    0.00000

Line 1008: ca c3 c4 h    0.00000    0.00000   -0.24000
     1278: h c3 c4 ca    0.00000    0.00000    0.60000

Line 1041: ca c3 co h    0.50000   11.10000    0.00000
     1300: h c3 co ca    0.40000   11.10000    0.00000

Line 1049: ca c3 cp h   -0.30000    1.60000   -0.50000
     1301: h c3 cp ca    0.00000    0.00000    0.60000

Line 1092: ca c3 si h    0.00000    0.00000    0.00000
     1307: h c3 si ca    0.00000    0.00000    0.60000

Line 1109: ca c4 co h    0.00000    0.00000    0.00000
     1315: h c4 co ca    0.00000    0.00000   -0.24400

Line 1136: ca c4 si h    0.00000    0.00000    0.16700
     1323: h c4 si ca    0.00000    0.00000    0.11700

Line 1155: ca ca co h    0.50000   11.10000    0.00000
     1337: h ca co ca    0.40000   11.10000    0.00000

Line 1163: ca ca cp h   -0.30000    1.60000   -0.50000
     1342: h ca cp ca    0.00000    0.00000    0.60000

Line 1206: ca ca si h    0.00000    0.00000    0.00000
     1380: h ca si ca    0.00000    0.00000    0.60000

Line 1253: co c4 ca h    0.00000    0.00000    0.00000
     1311: h c4 ca co    0.00000    0.00000    0.20000

Line 1313: h c4 ca na    0.00000    0.00000   -0.24000
     1423: na c4 ca h    0.00000    0.00000    0.50000

Line 1314: h c4 ca o2    0.00000    0.00000    0.54000
     1467: o2 c4 ca h    0.00000    0.00000    0.00000

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