Accuracy

hydrogen      3 Hydrogen

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    #  Species Formula
  1942 1,2-DiiodobutaneC4H8I2
  1943 1,4-DiiodobutaneC4H8I2
  1944 1,2-DiiodobenzeneC6H4I2
  1945 1,2-Diiodobenzene (Geo)C6H4I2
  1946 5,7-Diiodo-8-hydroxyquinolineC9H5NOI2
  1947 1,2 DiiodotetrafluoroethaneC2F4I2
  1948 Iodoform (Geo)HCI3
  1949 IodoformHCI3
     1 Hydrogen, atomH
     2 Hydrogen (Geo)H2
     3 Hydrogen H2
     4 Carbon, atomC
     5 MethylidyneHC
     6 Methylene, singlet (Geo)CH2
     7 Methylene, triplet (Geo)CH2
     8 Methylene, singletCH2
     9 Methyl, cationCH3
    10 Methane (Geo)CH4
    11 MethaneCH4
    12 AcetyleneC2H2
    13 Acetylene (Geo)C2H2


ΔHf: 0.0 kcal/mol,     REF: Element in its standard state.
I.P.: 15.4 eV,     REF: R. D. Levin, S. G. Lias, "Ionization Potentials and Appearance Potential Measurements," 1971-1981, Natl. Stand. Ref. Data Ser., Natl. Bur. Stand. 71, (1982), Cat. No. C13.48:71.
  
 GEO-OK
Hydrogen
 H=0.0 I=15.4 IR=LLNBS82 HR=ELEMENT HWT=0.5
  H     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  H     0.75954479 +1    0.0000000 +0    0.0000000 +0     1     0     0