Accuracy

potassium chloride, dimer   2725 Potassium chloride, dimer

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    #  Species Formula
  2715 Argon potassium cation (Geo)ArK
  2716 Potassium, dimer (Geo)K2
  2717 Potassium, dimerK2
  2718 K2O (Geo)OK2
  2719 Potassium fluoride, dimer (Geo)F2K2
  2720 Potassium fluoride, dimerF2K2
  2721 Potassium sulfide (Geo)SK2
  2722 Potassium sulfideSK2
  2723 Potassium sulfateO4SK2
  2724 Potassium chloride, dimer (Geo)Cl2K2
  2725 Potassium chloride, dimer Cl2K2
  2726 Calcium, dicationCa
  2727 Calcium, cationCa
  2728 Calcium, atomCa
  2729 Calcium hydride (CaH) (Geo)HCa
  2730 Calcium hydrideHCa
  2731 Calcium monoamide (Geo)H2NCa
  2732 Calcium cyanide (Geo)C2N2Ca
  2733 Calcium isocyanide (Geo)C2N2Ca
  2734 Ca(II)N6(2+) (QAKGAL) (Geo)H18N6Ca
  2735 Calcium trisethylenediamineC6H24N6Ca


ΔHf: -147.6 kcal/mol,     REF: NIST Chemistry WebBook, NIST Standard Reference Database, No. 69; W. G. Mallard, P. J. Linstrom, Eds., National Institute of Standards and Technology, Gaithersberg, http://webbook.nist.gov/chemistry.
  
 SYMMETRY PM7
Potassium chloride, dimer
 H=-147.6 HR=NIST
 
 Cl     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  K     2.90497707 +1    0.0000000 +0    0.0000000 +0     0     0     0
 Cl     2.90497707 +0   87.4160513 +1    0.0000000 +0     2     1     0
  K     2.90497707 +0   92.6145098 +1    0.0000000 +0     3     2     1
 
   2  1    3    4