Accuracy

arsenic, trimer   4028 Arsenic, trimer

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    #  Species Formula
  4018 AsAsC (ARSMET) (Geo)C2H6As2
  4019 AsAsC (ARSMET)C2H6As2
  4020 As(V)F4O2(2-) (PYDFAS) (Geo)O2F8As2
  4021 As(V)F4O2(2-) (PYDFAS)O2F8As2
  4022 As(III)2C4 (HIRCIU) (Geo)C4F12As2
  4023 As(III)2C4 (HIRCIU)C4F12As2
  4024 As(V)(III)C4S2 (DMSARS) (Geo)C4H12S2As2
  4025 As(V)(III)C4S2 (DMSARS)C4H12S2As2
  4026 Ti(IV)Cp2F2 (VAJXEJ) (Geo)C10H10F12TiAs2
  4027 Ti(IV)As2S2Cl2 (CIRHUG) (Geo)C18H34S2Cl2TiAs2
  4028 Arsenic, trimer As3
  4029 As(III)S2C (MARSTA) (Geo)C5H9S3As3
  4030 As(III)S2C (MARSTA)C5H9S3As3
  4031 Arsenic, tetramerAs4
  4032 As(III)O2C (ASOXAD) (Geo)C2H4O4As4
  4033 As(III)O2C (ASOXAD)C2H4O4As4
  4034 Arsenic trioxide dimerO6As4
  4035 As4O6O6As4
  4036 As4O6 (Geo)O6As4
  4037 As(III)As2C (ASMETH) (Geo)C5H15As5
  4038 As(III)As2C (ASMETH)C5H15As5


ΔHf: 62.5 kcal/mol,     REF: I. Barin, O. Knacke, O. Kubaschewski, "Thermochemical Properties of Inorganic Compounds", Springer-Verlag, Berlin, 1977.
  
 SYMMETRY PULAY PM7
Arsenic, trimer
 H=62.48 HR=BKK1977
 
 As     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
 As     2.44861963 +1    0.0000000 +0    0.0000000 +0     1     0     0
 As     2.44861963 +0   57.1266321 +1    0.0000000 +0     2     1     0
 
   2  1    3