ΔHf: -12.1 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). Dipole: 0.9 Debye, REF: "CRC Handbook of Chemistry and Physics," 60th Edition, R. C. Weast, (Ed.), CRC Press, Boca Raton, FL, 1980. I.P.: 12.0 eV, REF: C. P. Anderson, G. Mamantov, W. E. Bull, F. A. Grimm, J. C. Carver, T. A. Carlson, Chem. Phys. Lett., 12, 137 (1971).