Unexpected participation of an excited diradical structure in the

Apr 1, 1991 - Toyonari Sugimoto, Masashi Sakaguchi, Hiroshi Ando, Yoshihisa Arai, Tomohiro Tanaka, Zenichi Yoshida, Jun Yamauchi, Aksel A. Bothner-By,...
0 downloads 0 Views 358KB Size
J. Am. Chem. SOC.1991, 113, 3193-3195

3193

Table I. Silacyclopropenylidene Harmonic Vibrational Frequencies (cm-I) and Infrared Intensities (kcal mol-!)

DZP SCF

CISD I

W

3378 3356 1569 1233 1061 976 849 749 729

TZ2P

4 4