Accuracy

ash2-nh2   3980 AsH2-NH2

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    #  Species Formula
  3970 Arsine radical (Geo)H2As
  3971 ArsineH3As
  3972 Arsine (Geo)H3As
  3973 Trimethylarsine (Geo)C3H9As
  3974 TrimethylarsineC3H9As
  3975 As(V)C4(+) (MASINC10) (Geo)C4H12As
  3976 As(V)C4(+) (MASINC10)C4H12As
  3977 Triethylarsine (DFT)C6H15As
  3978 TriphenylarsineC18H15As
  3979 Arsenic nitrideNAs
  3980 AsH2-NH2 H4NAs
  3981 AsH2-NH2 (Geo)H4NAs
  3982 As(III)C3 (CNMARS) (Geo)C3H6NAs
  3983 As(III)C3 (CNMARS)C3H6NAs
  3984 Arsenic tricyanide (Geo)C3N3As
  3985 As(V)C3O (ASOXCA) (Geo)C3H9OAs
  3986 As(V)C3O (ASOXCA)C3H9OAs
  3987 As(OH)3H3O3As
  3988 As(OH)3 (Geo)H3O3As
  3989 Trimethyl arseniteC3H9O3As
  3990 As(V)O3C (ARSACP) (Geo)C6H7O3As


ΔHf: 30.2 kcal/mol,     REF: Estimated from DGauss results of DFT calculations, using the B88-PW91 functional and the DZVP basis set, in CAChe 6.0, Fujitsu Ltd, 2003.
  
 PM7
AsH2-NH2
 H=30.2 HR=PW91D
 As     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  N     1.83263987 +1    0.0000000 +0    0.0000000 +0     1     0     0
  H     1.52390557 +1  101.3340525 +1    0.0000000 +0     1     2     0
  H     1.52404128 +1  101.2766244 +1   95.2006358 +1     1     2     3
  H     0.99292496 +1  126.6227222 +1  -48.2820571 +1     2     1     3
  H     0.99746990 +1  120.7597063 +1 -179.8794868 +1     2     1     5