Accuracy

hydrogen cyanide    446 Hydrogen cyanide

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    #  Species Formula
   436 Ammonia (Geo)H3N
   437 Ammonium, cationH4N
   438 LiNH2H2LiN
   439 LiNH2 (Geo)H2LiN
   440 BH2-NH2 (Geo)H4BN
   441 BH3-NH3H6BN
   442 BH3-NH3 (Geo)H6BN
   443 Cyanide (Geo)CN
   444 CyanideCN
   445 Hydrogen cyanide (Geo)HCN
   446 Hydrogen cyanide HCN
   447 Hydrogen isocyanideHCN
   448 CH2-NH2, cationCH4N
   449 CH2-NH2, radicalCH4N
   450 CH3-NH.CH4N
   451 CH3NH, anionCH4N
   452 Methylamine (Geo)CH5N
   453 MethylamineCH5N
   454 Lithium isocyanide (Geo)LiCN
   455 Lithium isocyanideLiCN
   456 AcetonitrileC2H3N


ΔHf: 32.3 kcal/mol,     REF: M. W. Chase, C. A. Davies, J. R. Downey, D. R. Frurip, R. A. McDonald, A. N. Syverud, JANAF Thermochemical Tables, Third Edition, J. Phys. Chem. Ref. Data 14, Suppl. 1 (1985).
Dipole: 3.0 Debye,     REF: R. D. Nelson, D. R. Lide, A. A. Maryott, Nat. Stand. Ref. Data Set., Natl. Bur. Stand. No. 10 (1967).
I.P.: 13.6 eV,     REF: D. W. Turner, C. Baker, A. D. Baker, C. R. Brundle, "Molecular Photoelectron Spectroscopy," Wiley-Interscience, London, 1970.
  
 PM7
Hydrogen cyanide
 DR=NLM1967 I=13.60 IR=TBBB1970 D=2.98 HR=JANAF86 H=32.3
  N     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.15383961 +1    0.0000000 +0    0.0000000 +0     1     0     0
  H     1.04420815 +1  180.0000000 +1    0.0000000 +0     2     1     0