NEW CLASS OF MIXED SANDWICH CYCLOHEPTATRIENYLCHROMIUM COMPLEX - CRYSTAL-STRUCTURES OF THE REDOX PAIR ETA-C(6)H(5)ME)(ETA-C(7)H(6)C(6)H(4)ME-4)][PF6](N) (N=1 OR 2)
Rl. Beddoes et al., NEW CLASS OF MIXED SANDWICH CYCLOHEPTATRIENYLCHROMIUM COMPLEX - CRYSTAL-STRUCTURES OF THE REDOX PAIR ETA-C(6)H(5)ME)(ETA-C(7)H(6)C(6)H(4)ME-4)][PF6](N) (N=1 OR 2), Journal of the Chemical Society. Dalton transactions, (21), 1996, pp. 4035-4036
The mixed sandwich complex [Cr(eta-C(6)H(5)Me)(eta-C7H6C6H4-Me-4)][PF6
] 1 underwent a reversible one-electron oxidation to the radical dicat
ion [Cr(eta-C(6)H(5)Me)(eta-C7H6C6H4-Me-4][PF6](2) 2; X-ray crystallog
raphic studies on the redox pair revealed that the principal structura
l alteration resulting from oxidation is a small increase in the metal
-to-ring distances.