Accuracy

diiodomethane   1933 Diiodomethane

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    #  Species Formula
  1923 1,1,1-Trifluoro-2-iodoethaneC2H2F3I
  1924 Iodine pentafluoride (Geo)F5I
  1925 Iodine pentafluorideF5I
  1926 PentafluoroiodobenzeneC6F5I
  1927 Iodomethyl methyl sulfideC2H5SI
  1928 1,2-ChloroiodoethaneC2H4ClI
  1929 1-Chloro-4-iodobutadieneC4H4ClI
  1930 1-Bromo-4-iodobutadieneC4H4BrI
  1931 1-Bromo-4-iodobutadiene (Geo)C4H4BrI
  1932 Diiodomethane (Geo)CH2I2
  1933 Diiodomethane CH2I2
  1934 DiiodoacetyleneC2I2
  1935 E-1,2-Diiodoethylene (Geo)C2H2I2
  1936 Z-1,2-Diiodoethylene (Geo)C2H2I2
  1937 E-1,2-DiiodoetheneC2H2I2
  1938 Z-1,2-DiiodoetheneC2H2I2
  1939 1,2-DiiodoethaneC2H4I2
  1940 1,2-DiiodopropaneC3H6I2
  1941 1,3-DiiodopropaneC3H6I2
  1942 1,2-DiiodobutaneC4H8I2
  1943 1,4-DiiodobutaneC4H8I2


ΔHf: 27.0 kcal/mol,     REF: NBS Technical Note 270-3, Jan. (1968).
Dipole: 1.6 Debye,     REF: R. D. Nelson, D. R. Lide, A. A. Maryott, Nat. Stand. Ref. Data Set., Natl. Bur. Stand. No. 10 (1967).
I.P.: 9.5 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.
  
 SYMMETRY
Diiodomethane
 I=9.46 IR=LLNBS82 D=1.62 H=27.0 HR=NBS1968 DR=NLM1967
 
  H     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.09668234 +1    0.0000000 +0    0.0000000 +0     1     0     0
  H     1.09668234 +0  110.0753378 +1    0.0000000 +0     2     1     0
  I     2.15364417 +1  107.8103850 +1 -117.1645594 +1     2     1     3
  I     2.15364417 +0  107.8373434 +1  117.2125560 +1     2     1     3
 
   2  1    3
   4  1    5