Accuracy

phosphorus oxide   1974 Phosphorus oxide

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    #  Species Formula
  1964 HPNHNP
  1965 PNHHNP
  1966 PNH2 (singlet)H2NP
  1967 trans-HPNHH2NP
  1968 (CH3)2P=NEtC5H14NP
  1969 (CH3)3P=NEtC5H14NP
  1970 Trimethylphosphine-N-ethylimineC5H14NP
  1971 Hexamethylphosphorous triamideC6H18N3P
  1972 Tris(diethylamino)phosphineC12H30N3P
  1973 Li(I)N3P (GEDDOI) (Geo)H33LiC21N3P
  1974 Phosphorus oxide OP
  1975 Phosphorus oxide (Geo)OP
  1976 HPOHOP
  1977 Trimethylphosphine oxideC3H9OP
  1978 Triphenyl phosphine oxide (Geo)C18H15OP
  1979 Triphenyl phosphine oxideC18H15OP
  1980 Phosphorus dioxideO2P
  1981 HPO3HO3P
  1982 Methylphosphonic acidCH5O3P
  1983 Ethylphosphonic acidC2H7O3P
  1984 Trimethyl phosphiteC3H9O3P


ΔHf: -5.6 kcal/mol,     REF: P. Winget, A.H.C. Horn, C. Seloki, B. Martin, T. Clark, J. Mol. Model. 9, 408 (2003).
  
 UHF PM7
Phosphorus oxide
 H=-5.6 HR=WHSMC03
  P     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  O     1.49177475 +1    0.0000000 +0    0.0000000 +0     1     0     0