Accuracy

methylene, singlet      8 Methylene, singlet

(Previous)     (Back)     (Next)         Geometry predicted using PM7

    

    #  Species Formula
  1947 1,2 DiiodotetrafluoroethaneC2F4I2
  1948 Iodoform (Geo)HCI3
  1949 IodoformHCI3
     1 Hydrogen, atomH
     2 Hydrogen (Geo)H2
     3 HydrogenH2
     4 Carbon, atomC
     5 MethylidyneHC
     6 Methylene, singlet (Geo)CH2
     7 Methylene, triplet (Geo)CH2
     8 Methylene, singlet CH2
     9 Methyl, cationCH3
    10 Methane (Geo)CH4
    11 MethaneCH4
    12 AcetyleneC2H2
    13 Acetylene (Geo)C2H2
    14 Vinyl, cationC2H3
    15 VinylC2H3
    16 Ethylene, cationC2H4
    17 Ethylene (Geo)C2H4
    18 EthyleneC2H4


ΔHf: 99.8 kcal/mol,     REF: M. W. Chase, C. A. Davies, J. R. Downey, D. R. Frurip, R. A. McDonald, A. N. Syverud, JANAF Thermochemical Tables, Third Edition, J. Phys. Chem. Ref. Data 14, Suppl. 1 (1985).
  

Methylene, singlet
 H=99.8 HR=JANAF86
  H     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.07327265 +1    0.0000000 +0    0.0000000 +0     1     0     0
  H     1.07329385 +1  112.0633276 +1    0.0000000 +0     2     1     0