... Acknowledgment. This work was supported by the US. De- partment of Energy, Office of Basic Energy Sciences, Chemical Sciences Division (Contract No. ... SOC. 1975, 97, 4766-4768. 0002-7863 /8 1 /1503-2041SO1.25 /O 0 1981 American Chemical Societv ... SOC., Vol. 103, No. ...