ΔHf: -22.1 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: 1.1 Debye, REF: G. Hojer, S. Meza, Acta Chem. Scand., 26, 3723 (1972). I.P.: 12.8 eV, REF: D. C. Frost, C. A. McDowell, D. A. Vroom, J. Chem. Phys., 46, 4255 (1967).