Accuracy

1,2,4,5-tetrafluorobenzene   1614 1,2,4,5-Tetrafluorobenzene

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    #  Species Formula
  1604 Be(II)F4(2-) (KIPPEE) (Geo)BeF4
  1605 Be(II)F4(2-) (KIPPEE)BeF4
  1606 Fluoroboric acid anion (Geo)BF4
  1607 Fluoroboric acid anionBF4
  1608 B2F4 (Geo)B2F4
  1609 TetrafluorodiboraneB2F4
  1610 Carbon tetrafluorideCF4
  1611 Carbon tetrafluoride (Geo)CF4
  1612 Tetrafluoroethylene (Geo)C2F4
  1613 TetrafluoroethyleneC2F4
  1614 1,2,4,5-Tetrafluorobenzene C6H2F4
  1615 1-Fluoro-3-(trifluoro-methyl)benzeneC7H4F4
  1616 TetrafluorohydrazineN2F4
  1617 N,N,N',N'-tetrafluoro-1,1-cyclohexanediamineC6H10N2F4
  1618 N,N,N',N'-Tetrafluoro-4-methyl-1,2-pentaneC6H12N2F4
  1619 1,1-Bis(difluoroamine)heptaneC7H14N2F4
  1620 PerfluoromethanolCOF4
  1621 Bis(fluoroxy)perfluoromethaneCO2F4
  1622 PentafluorobenzeneHC6F5
  1623 2,3,4,5,6-PentafluorotolueneC7H3F5
  1624 PentafluoromethylamineCNF5


ΔHf: -154.6 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
1,2,4,5-Tetrafluorobenzene
 H=-154.6 HR=NIST
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.39306282 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.40137518 +1  121.3391324 +1    0.0000000 +0     2     1     0
  C     1.39311542 +1  121.2442456 +1   -0.0440992 +1     3     2     1
  C     1.39300064 +1  117.4361303 +1    0.0090587 +1     4     3     2
  C     1.39302779 +1  117.3967681 +1    0.0363651 +1     1     2     3
  F     1.31959331 +1  119.7415974 +1  179.9864064 +1     6     1     2
  F     1.31959764 +1  119.7440726 +1 -179.9908475 +1     5     4     3
  H     1.09302538 +1  121.3163944 +1  179.9867135 +1     1     2     6
  F     1.31961850 +1  119.6784144 +1  179.9683156 +1     2     1     3
  F     1.31945550 +1  119.0096760 +1 -179.9909440 +1     3     2     4
  H     1.09317074 +1  121.2801152 +1  179.9985984 +1     4     3     5