... PC Prabhakaran, Nam-Tae Woo, Peter S. Yorgey, and Steven J. Gould*,' Contribution from the Department of Chemistry, Oregon State University, Corvallis, Oregon 97331. Received September 14, I987 ... 8 3 6-8 3 7. 0 1988 American Chemical Societv , , I - ... SOC., Vol. 110, No. ...