Accuracy

calcium, atom   2728 Calcium, atom

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    #  Species Formula
  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, dimerCl2K2
  2726 Calcium, dicationCa
  2727 Calcium, cationCa
  2728 Calcium, atom Ca
  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
  2736 Calcium trisethylenediamine (Geo)C6H24N6Ca
  2737 Calcium oxideOCa
  2738 Calcium oxide (Geo)OCa


ΔHf: 42.6 kcal/mol,     REF: "CRC Handbook of Chemistry and Physics," 60th Edition, R. C. Weast, (Ed.), CRC Press, Boca Raton, FL, 1980.
  
 OPEN(2,4) PM7
Calcium, atom
 H=42.6 HR=CRC
 Ca     0.00000000 +0   0.00000000 +0   0.00000000 +0