Accuracy

phosphine   1944 Phosphine

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    #  Species Formula
  1934 TrisilaneH8Si3
  1935 Cyclopentasilane (Geo)H10Si5
  1936 Si(SiMe3)4 (GUFMOJ) (Geo)C12H36Si5
  1937 Si(SiMe3)4 (GUFMOJ)C12H36Si5
  1938 Phosphorus, cationP
  1939 Phosphorus, atomP
  1940 PhosphinideneHP
  1941 PhosphinoH2P
  1942 Phosphine cationH3P
  1943 Phosphine (Geo)H3P
  1944 Phosphine H3P
  1945 PH4(+)H4P
  1946 Carbon monophosphideCP
  1947 Carbon phosphide (Geo)CP
  1948 MethinophosphideHCP
  1949 MethinophosphineHCP
  1950 Methinophosphide (Geo)HCP
  1951 Methylphosphine (Geo)CH5P
  1952 MethylphosphineCH5P
  1953 PhosphetetheneC2H5P
  1954 DimethylphosphineC2H7P


ΔHf: 1.3 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: 0.6 Debye,     REF: R. D. Nelson, D. R. Lide, A. A. Maryott, Nat. Stand. Ref. Data Set., Natl. Bur. Stand. No. 10 (1967).
I.P.: 10.0 eV,     REF: "CRC Handbook of Chemistry and Physics," 60th Edition, R. C. Weast, (Ed.), CRC Press, Boca Raton, FL, 1980.
  
 SYMMETRY PM7
Phosphine
 H=1.3 HR=JANAF86 D=0.578 I=9.98 DR=NLM1967 IR=CRC
 
  H     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  P     1.49932776 +1    0.0000000 +0    0.0000000 +0     1     0     0
  H     1.49932776 +0  100.4677527 +1    0.0000000 +0     2     1     0
  H     1.49932776 +0  100.4677527 +0  102.8231084 +1     2     1     3
 
   2  1    3    4
   3  2    4