ΔHf: 5.9 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: 0.3 Debye, REF: A. L. McClellan, "Tables of Experimental Dipole Moments," Freeman, San Francisco, 1963. I.P.: 13.3 eV, REF: C. F. Brundle, M. B. Robin, N. A. Kuebler, H. Basch, J. Am. Chem. Soc., 94, 1451 (1972).