PM7 Accuracy

2,5,8-trioxanonane   1326 2,5,8-Trioxanonane

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    #  Species Formula
  1316 B3O3H3H3B3O3
  1317 B3O3H3 (Geo)H3B3O3
  1318 1,3,5-TrioxaneC3H6O3
  1319 Methyl hydroxyacetateC3H6O3
  1320 GlycerolC3H8O3
  1321 Trimethoxyborane (Geo)H9BC3O3
  1322 TrimethoxyboraneH9BC3O3
  1323 Maleic anhydrideC4H2O3
  1324 Acetic anhydrideC4H6O3
  1325 TrimethoxymethaneC4H10O3
  1326 2,5,8-Trioxanonane C6H14O3
  1327 TriethoxyboraneH15BC6O3
  1328 m-Salicylic acidC7H6O3
  1329 o-Salicylic acidC7H6O3
  1330 p-Salicylic acidC7H6O3
  1331 2,3-Butanediol, 2,3-dimethyl-, monoformateC7H14O3
  1332 Trimethoxymethyl benzeneC10H14O3
  1333 1-tert-Butoxy-3-propoxy-2-propanolC10H22O3
  1334 1-Butoxy-3-tert-butyl-2-propanolC11H24O3
  1335 Benzoic acid, anhydrideC14H10O3
  1336 Nitrate radicalNO3


DHf: -124.6 kcal/mol,     REF: NIST Chemistry WebBook, NIST Standard Reference Database, No. 69; W. G. Mallard, P. J. Linstrom, Eds., National Institute of Standards and Technology, Gaithersberg, http://webbook.nist.gov/chemistry.
  
 PM7
2,5,8-Trioxanonane
 H=-124.6 HR=NIST
  C     0.00000000  0    0.0000000  0    0.0000000  0     0     0     0
  O     1.41426267  1    0.0000000  0    0.0000000  0     1     0     0
  C     1.42156852  1  112.6015026  1    0.0000000  0     2     1     0
  C     1.53765548  1  103.5492789  1 -179.9878421  1     3     2     1
  O     1.42132056  1  103.1172163  1 -179.9387761  1     4     3     2
  C     1.42063888  1  112.5779997  1  179.6981366  1     5     4     3
  C     1.53754224  1  103.3415225  1  179.8273533  1     6     5     4
  O     1.42220674  1  103.3080147  1  179.5759354  1     7     6     5
  C     1.41409000  1  112.6490232  1  179.8500058  1     8     7     6
  H     1.09437720  1  111.1591643  1  -61.3520801  1     1     2     3
  H     1.09442765  1  111.0378653  1  123.9896618  1     1     2    10
  H     1.09784824  1  102.9088014  1  117.9746536  1     1     2    11
  H     1.10315410  1  110.3303037  1  119.4249114  1     3     2     4
  H     1.10319595  1  110.3346047  1  121.1226332  1     3     2    13
  H     1.10335156  1  111.6303739  1  118.3830176  1     4     3     5
  H     1.10317308  1  111.6710208  1  123.2541289  1     4     3    15
  H     1.10355540  1  110.2960355  1  119.3628505  1     6     5     7
  H     1.10353382  1  110.2978540  1  121.2529022  1     6     5    17
  H     1.10294355  1  111.5964599  1  118.4660380  1     7     6     8
  H     1.10281098  1  111.6312106  1  123.0194729  1     7     6    19
  H     1.09438325  1  111.1241788  1  -61.6124947  1     9     8     7
  H     1.09442947  1  111.0579204  1  123.9827420  1     9     8    21
  H     1.09784980  1  102.9130549  1  117.9913491  1     9     8    22