Accuracy

silicon, cation   1861 Silicon, cation

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    #  Species Formula
  1851 Lithium tetrafluoroaluminateLiF4Al
  1852 Al(III)F6(3-) (YAXXAW) (Geo)F6Al
  1853 Al(III)F6(3-) (YAXXAW)F6Al
  1854 Sodium tetrafluoroaluminateF4NaAl
  1855 Dialuminum oxide, cationOAl2
  1856 Al2O (Geo)OAl2
  1857 Dialuminum oxideOAl2
  1858 Al2O2, cationO2Al2
  1859 Aluminum oxide, dimerO2Al2
  1860 Aluminum trifluoride, dimerF6Al2
  1861 Silicon, cation Si
  1862 Silicon, 1D(g) 3s(2)3p(2)Si
  1863 Silicon, 1S(g) 3s(2)3p(2)Si
  1864 Silicon, 3D(u) 3s(1)3p(3)Si
  1865 Silicon, 5S(u) 3s(1)3p(3)Si
  1866 Silicon, atomSi
  1867 SiHHSi
  1868 SiH (Geo)HSi
  1869 Silylene (singlet) (Geo)H2Si
  1870 Silylene (singlet)H2Si
  1871 Silyl, cationH3Si


ΔHf: 261.0 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.
  
 CHARGE=1 OPEN(1,3) PM7
Silicon, cation
 HR=NIST H=261.02
 Si     0.00000000 +0   0.00000000 +0   0.00000000 +0