Accuracy

sodium hydroxide, dimer   1710 Sodium hydroxide, dimer

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    #  Species Formula
  1700 Sodium fluoride (NaF) (Geo)FNa
  1701 Sodium fluorideFNa
  1702 Neon sodium cation (Geo)NeNa
  1703 Sodium dimer, cationNa2
  1704 Sodium, dimer (Geo)Na2
  1705 Sodium, dimerNa2
  1706 Disodium acetylide (Geo)C2Na2
  1707 Sodium cyanide, dimerC2N2Na2
  1708 Disodium oxideONa2
  1709 Sodium oxide, Na2O (Geo)ONa2
  1710 Sodium hydroxide, dimer H2O2Na2
  1711 Disodium fluoride, cationFNa2
  1712 Sodium fluoride, dimer (Geo)F2Na2
  1713 Sodium fluoride, dimerF2Na2
  1714 Magnesium, dicationMg
  1715 Magnesium, cationMg
  1716 Magnesium, 1P(u) 3s(1)3p(1)Mg
  1717 Magnesium, atomMg
  1718 Magnesium hydride (MgH)HMg
  1719 Magnesium hydride (Geo)HMg
  1720 Magnesium hydride (MgH2)H2Mg


ΔHf: -145.2 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.
  
 PM7
Sodium hydroxide, dimer
 H=-145.2 HR=NIST
 Na     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  O     2.20049870 +1    0.0000000 +0    0.0000000 +0     1     0     0
 XX     1.00000000 +0   90.0000000 +0    0.0000000 +0     1     2     0
  H     0.89364296 +1  137.5004752 +1    0.0000000 +0     2     1     3
 Na     2.93002510 +1   29.8825798 +1 -178.0599150 +1     4     2     3
  O     2.20127299 +1  107.6210172 +1   -0.0774295 +1     5     4     3
  H     0.89330830 +1  137.8782666 +1  179.2462749 +1     6     5     3