Accuracy

potassium, atom   2656 Potassium, atom

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    #  Species Formula
  2646 HexachlorodisilaneSi2Cl6
  2647 Hexachloro-1,3,5,2,4,6-triazatriphosphorineN3P3Cl6
  2648 Sulfur hexachloride (Geo)SCl6
  2649 Sulfur hexachlorideSCl6
  2650 Si2Cl6C2 (FAZKUM) (Geo)C2Si2Cl8
  2651 Si2Cl6C2 (FAZKUM)C2Si2Cl8
  2652 Argon, atomAr
  2653 Argon lithium cation (Geo)LiAr
  2654 Argon fluoride anion (Geo)FAr
  2655 Potassium, cationK
  2656 Potassium, atom K
  2657 Potassium hydride (Geo)HK
  2658 Potassium hydrideHK
  2659 Helium potassium cation (Geo)HeK
  2660 Potassium methyl (Geo)CH3K
  2661 Potassium cyclopentadienide (Geo)C5H5K
  2662 Potassium cyanideCNK
  2663 Potassium hydroxide (Geo)HOK
  2664 Potassium hydroxideHOK
  2665 KOH.H2OH3O2K
  2666 KOH.H2O (Geo)H3O2K


ΔHf: 21.4 kcal/mol,     REF: "CRC Handbook of Chemistry and Physics," 60th Edition, R. C. Weast, (Ed.), CRC Press, Boca Raton, FL, 1980.
  
 OPEN(1,4) PM7
Potassium, atom
 H=21.42 HR=CRC
  K     0.00000000 +0   0.00000000 +0   0.00000000 +0