Accuracy

phosphetethene   1953 Phosphetethene

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    #  Species Formula
  1943 Phosphine (Geo)H3P
  1944 PhosphineH3P
  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 Phosphetethene C2H5P
  1954 DimethylphosphineC2H7P
  1955 EthylphosphineC2H7P
  1956 Trimethylphosphine (Geo)C3H9P
  1957 TrimethylphosphineC3H9P
  1958 Protonated trimethylphosphineC3H10P
  1959 DiethylphosphineC4H11P
  1960 Phosphole (Geo)C5H5P
  1961 Trimethylborane-TrimethylphosphineH18BC6P
  1962 TriphenylphosphineC18H15P
  1963 Phosphorus nitrideNP


ΔHf: 28.4 kcal/mol,     REF: P. Winget, A.H.C. Horn, C. Seloki, B. Martin, T. Clark, J. Mol. Model. 9, 408 (2003).
  
 PM7
Phosphetethene
 HR=WHSMC03 H=28.4 HR=WHSMC03
  P     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.93405629 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.52686417 +1   66.8298206 +1    0.0000000 +0     2     1     0
  H     1.50353159 +1  102.8449076 +1  -95.5827154 +1     1     2     3
  H     1.10009493 +1  121.0300329 +1  111.8797520 +1     2     1     3
  H     1.10599260 +1  118.6620339 +1 -110.0432650 +1     3     2     1
  H     1.10611161 +1  117.8064872 +1  136.7453085 +1     2     1     5
  H     1.09991019 +1  119.7543287 +1 -136.5062757 +1     3     2     6