Accuracy

selenium, trimer   4095 Selenium, trimer

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    #  Species Formula
  4085 Germanium selenide (Geo)GeSe
  4086 Arsenic selenideAsSe
  4087 Carbon diselenideCSe2
  4088 Me-Se-Se-Me (Geo)C2H6Se2
  4089 (C6H5)-Se-Se-(C6H5)C12H10Se2
  4090 C6H5-CH2-Se-Se-CH2-C6H5C14H14Se2
  4091 ClSeSeClCl2Se2
  4092 Diselenium dichloride (Geo)Cl2Se2
  4093 Mn(CO)3ClSe2 (GONTIM) (Geo)C7H10O3ClMnSe2
  4094 Tetramethyldiselenagermacyclohexane (Geo)C7H16GeSe2
  4095 Selenium, trimer Se3
  4096 P4Se3 (Geo)P4Se3
  4097 Se4Cl16Cl16Se4
  4098 Se4Cl16 (Geo)Cl16Se4
  4099 Bromine, cation (Br(+))Br
  4100 Bromine, atomBr
  4101 Bromide, anionBr
  4102 Hydrogen bromide, cationHBr
  4103 Hydrogen bromide (Geo)HBr
  4104 Hydrogen bromideHBr
  4105 Helium bromide anion (Geo)HeBr


ΔHf: 42.1 kcal/mol,     REF: I. Barin, O. Knacke, O. Kubaschewski, "Thermochemical Properties of Inorganic Compounds", Springer-Verlag, Berlin, 1977.
  
 SYMMETRY UHF PM7
Selenium, trimer
 H=42.1 HR=BKK1977
 
 Se     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
 Se     2.45518734 +1    0.0000000 +0    0.0000000 +0     1     0     0
 Se     2.45518734 +0   59.9929754 +1    0.0000000 +0     2     1     0
 
   2  1    3