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DHf: -20.0 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.
I.P.: 12.0 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 Ethane I=12.0 IR=LLNBS82 HR=NIST H=-20.04,0.12 C 0.00000000 +0 0.0000000 +0 0.0000000 +0 0.0000 C 1.52062255 +1 0.0000000 +0 0.0000000 +0 1 0 0 0.0000 H 1.09637914 +1 111.4312392 +1 0.0000000 +0 2 1 0 0.0000 H 1.09637914 +1 111.4312392 +1 120.0000000 +1 2 1 3 0.0000 H 1.09637914 +1 111.4312392 +1 -120.0000000 +1 2 1 3 0.0000 H 1.09637914 +1 111.4312392 +1 60.0000000 +1 1 2 3 0.0000 H 1.09637914 +1 111.4312392 +1 180.0000000 +1 1 2 3 0.0000 H 1.09637914 +1 111.4312392 +1 -60.0000000 +1 1 2 3 0.0000