Electronic Structure of Three-Coordinate Fe^II and Co^II β-Diketiminate Complexes.

ABSTRACT: The β-diketiminate supporting group, [ArNCRCHCRNAr]^-, stabilizes low coordination number complexes. Four such complexes, where R = tert-butyl, Ar = 2,6-diisopropylphenyl, are studied: (nacnac^tBu)ML, where M = Fe^II, Co^II and L = Cl, CH₃. These are denoted FeCl, FeCH₃, CoCl, and CoCH₃ and have been previously reported and structurally characterized. The two Fe^II complexes (S = 2) have also been previously characterized by Mössbauer spectroscopy, but only indirect assessment of the ligand-field splitting and zero-field splitting (zfs) parameters was available. Here, EPR spectroscopy is used, both conventional field-domain for the Co^II

SUBMITTER: Nagelski AL 

PROVIDER: S-EPMC11751772 | biostudies-literature | 2024 Mar

REPOSITORIES: biostudies-literature