Accuracy

sodium chloride, dimer   2524 Sodium chloride, dimer

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    #  Species Formula
  2514 B3O3HCl2HB3O3Cl2
  2515 Chlorine heptoxideO7Cl2
  2516 1,1',2,2'-Tetranitro-1,2-dichloroethaneC2N4O8Cl2
  2517 1,3-Dichloro-1,1,3,3-tetranitropropaneC3H2N4O8Cl2
  2518 DichlorofluorboraneBFCl2
  2519 FluorodichloromethaneHCFCl2
  2520 Dichlorodifluoromethane (Geo)CF2Cl2
  2521 DifluorodichloromethaneCF2Cl2
  2522 1,2-Dichloro 1,1,2,2-tetrafluoroethaneC2F4Cl2
  2523 Sodium chloride, dimer (Geo)Na2Cl2
  2524 Sodium chloride, dimer Na2Cl2
  2525 Magnesium dichlorideMgCl2
  2526 Magnesium dichloride (Geo)MgCl2
  2527 Mg(II)O4Cl2 (CEXWUX10) (Geo)C8H20O6MgCl2
  2528 Mg(II)O4Cl2 (CEXWUX10)C8H20O6MgCl2
  2529 Mg(II)2(Cp)2Cl4O2 (LAKLEO) (Geo)C18H30O2Mg2Cl2
  2530 Mg(II)2(Cp)2Cl4O2 (LAKLEO)C18H30O2Mg2Cl2
  2531 AlCl2, cationAlCl2
  2532 Aluminum dichlorideAlCl2
  2533 Aluminum dichloride, anionAlCl2
  2534 Aluminum dichloride fluorideFAlCl2


ΔHf: -135.3 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 chloride, dimer
 H=-135.34 HR=NIST
 Na     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
 Cl     2.56377282 +1    0.0000000 +0    0.0000000 +0     0     0     0
 Na     2.56403341 +1   88.8028940 +1    0.0000000 +0     2     1     0
 Cl     2.56131236 +1   91.1723424 +1    0.0000000 +1     3     2     1