Accuracy

3,3,5,5-tetramethyl-1-pyrazoline    638 3,3,5,5-Tetramethyl-1-pyrazoline

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    #  Species Formula
   628 TetramethyldiazetineC6H12N2
   629 TriethylenediamineC6H12N2
   630 1,2-DiisopropyldiazeneC6H14N2
   631 DipropyldiazeneC6H14N2
   632 1H-BenzimidazoleC7H6N2
   633 1H-IndazoleC7H6N2
   634 1-Methyl-1-phenylhydrazineC7H10N2
   635 t-ButylmalononitrileC7H10N2
   636 Trimethyl pyrazineC7H10N2
   637 1-PiperidineacetonitrileC7H12N2
   638 3,3,5,5-Tetramethyl-1-pyrazoline C7H14N2
   639 m-DicyanobenzeneC8H4N2
   640 o-DicyanobenzeneC8H4N2
   641 p-DicyanobenzeneC8H4N2
   642 PhthalazineC8H6N2
   643 QuinazolineC8H6N2
   644 QuinoxalineC8H6N2
   645 n-PentylmalonodinitrileC8H12N2
   646 TetramethylbutanedinitrileC8H12N2
   647 TetramethylpyrazineC8H12N2
   648 1,4-Dimethyl-2,3-diaza-bicyclo[2.2.2]oct-2-eneC8H14N2


ΔHf: 9.4 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
3,3,5,5-Tetramethyl-1-pyrazoline
 H=9.4 HR=NIST
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.55977809 +1    0.0000000 +0    0.0000000 +0     1     0     0
  N     1.50982588 +1  103.6841302 +1    0.0000000 +0     2     1     0
  N     1.22582942 +1  114.1737997 +1    0.1469989 +1     3     2     1
  C     1.50906063 +1  114.1527074 +1   -0.0210370 +1     4     3     2
  C     1.52670840 +1  112.4144290 +1 -116.6116271 +1     2     1     3
  C     1.52637560 +1  112.4434356 +1 -126.6831782 +1     2     1     6
  C     1.52679293 +1  108.2937116 +1 -119.7056918 +1     5     4     3
  C     1.52676983 +1  108.2998183 +1 -120.8254001 +1     5     4     8
  H     1.09814303 +1  111.6425163 +1 -121.0696275 +1     1     2     3
  H     1.09827370 +1  111.6077910 +1 -118.3619336 +1     1     2    10
  H     1.09664356 +1  111.8744518 +1   52.2852383 +1     6     2     1
  H     1.09951036 +1  110.9367327 +1  119.2770861 +1     6     2    12
  H     1.09539708 +1  111.2796284 +1  119.9106985 +1     6     2    13
  H     1.09952675 +1  110.9393549 +1 -172.0487129 +1     7     2     1
  H     1.09681610 +1  111.8312921 +1  119.0940092 +1     7     2    15
  H     1.09524925 +1  111.3066944 +1  120.8709790 +1     7     2    16
  H     1.09670762 +1  111.8540316 +1   60.7278540 +1     8     5     4
  H     1.09526321 +1  111.2861274 +1  120.8921827 +1     8     5    18
  H     1.09950431 +1  110.9350952 +1  119.9391335 +1     8     5    19
  H     1.09526127 +1  111.2862337 +1  178.6740977 +1     9     5     4
  H     1.09677067 +1  111.8365236 +1  120.8891767 +1     9     5    21
  H     1.09946293 +1  110.9422603 +1  119.1503872 +1     9     5    22