CrCp*Tp: A High-Spin Cr(II) Sandwich Complex with a Large Structural Distortion
作者:Tim J. Brunker、Jennifer C. Green、Dermot O'Hare
DOI:10.1021/ic0255151
日期:2002.4.1
CrCp*Tp was synthesized from the reaction of [CrCp*Cl](2) and KTp. Magnetic measurements indicate it to have a high-spin (S = 2) electronic configuration from 5 to 300 K. A single-crystal X-ray study reveals bond lengths typical for a high-spin configuration and a pronounced Jahn-Teller distortion. The nature of this distortion was probed by DFT calculations and the variation in bond lengths successfully reproduced. The metal-based HOMO is significantly antibonding with respect to a single pyrazolyl ring only.