Accuracy

sodium oxide   1677 Sodium oxide

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    #  Species Formula
  1667 Sodium hydride (Geo)HNa
  1668 Sodium hydrideHNa
  1669 Helium Sodium cation (Geo)HeNa
  1670 Na-Li, complex (Geo)LiNa
  1671 Sodium lithiumLiNa
  1672 Sodium methyl (Geo)CH3Na
  1673 Sodium cyclopentadienide (Geo)C5H5Na
  1674 Sodium cyanide (Geo)CNNa
  1675 Sodium cyanideCNNa
  1676 Sodium oxide (NaO) (Geo)ONa
  1677 Sodium oxide ONa
  1678 Sodium hydroxide (Geo)HONa
  1679 Sodium hydroxideHONa
  1680 Lithium sodium oxideLiONa
  1681 NaOH.H2OH3O2Na
  1682 NaOH.H2O (Geo)H3O2Na
  1683 Na(+)(H2O)2H4O2Na
  1684 Na(+)(H2O)2 (Geo)H4O2Na
  1685 NaBO2BO2Na
  1686 NaBO2 (Geo)BO2Na
  1687 NaOH.(H2O)2H5O3Na


ΔHf: 20.0 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.
  
 OPEN(5,3) PM7
Sodium oxide
 H=20.0 HR=NIST
 Na     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  O     2.04817211 +1    0.0000000 +0    0.0000000 +0     1     0     0