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58 Methane (Geo)

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  #           Species Formula
  48 B10H14 (Geo)H14B10
  49 Decaborane(14)H14B10
  50 Carbon, cationC
  51 Carbon, atomC
  52 MethylidyneCH
  53 Methylene, singlet (Geo)CH2
  54 Methylene, triplet (Geo)CH2
  55 Methylene, singletCH2
  56 Methylene, tripletCH2
  57 Methyl, cationCH3
  58 Methane (Geo) CH4
  59 MethaneCH4
  60 Methyl lithium (Geo)CH3Li
  61 Methyl lithiumCH3Li
  62 Carbon, dimer (Geo)C2
  63 AcetyleneC2H2
  64 Acetylene (Geo)C2H2
  65 Vinyl, cationC2H3
  66 VinylC2H3
  67 Ethylene, cationC2H4
  68 Ethylene (Geo)C2H4



REF: G. Herzberg, "Molecular Spectra and Molecular Structure III. Electronic Spectra and Electronic Structure of Polyatomic Molecules," Van Nostrand, New York, N.Y., 1966.

  
 SYMMETRY
Methane
 GR=HERZ1966 <C-H>
  H         0.00000000 +0    0.0000000 +0    0.0000000 +0                      0.0000
  C         1.09400000 +1    0.0000000 +0    0.0000000 +0    1    0    0       0.0000
  H         1.08449610 +0  109.4712210 +0    0.0000000 +0    2    1    0       0.0000
  H         1.08449610 +0  109.4712210 +1 -120.0000000 +0    2    1    3       0.0000
  H         1.08449610 +0  109.4712210 +0  120.0000000 +0    2    1    3       0.0000