Author Type

Graduate Student

Date of Award

1974

Document Type

Thesis

Publication Status

Version of Record

Submission Date

October 2026

Abstract

Polarized electronic spectra of trans-diacidobis (ethylenediamine )- chromium(III) complexes were measured at liquid nitrogen temperature, the diacido groups being aquochloro, aquobromo, bromochloro, bis(N, N-dimethylformamide), chloro(N, N-dimethyl£ormamide) and bromo(N, N-dimethylformamide). The quadrate components of the first two cubic bands were polarized and assigned on the basis of predicted polarization pattern for D4h vibronic mechanism for d^3 configuration. The higher energy intraconfigurational doublets were uncovered in most of the systems. The bis(N, N-dimethylformamide) complex showed two high-energy spin-forbidden bands at ~32,000 cm^-1 not previously observed in the spectra of chromium(III) complexes. The ligand field and electron correlation parameters were evaluated by fitting the observed band maxima with d^3 quadrate energy equations including full configuration interaction but neglecting spin-orbit perturbation. The parameters of these complexes and of the other trans-diacidobis (ethylenediamine) systems obtained by others were analysed in terms of the bonding nature of ligands.

Extent

84 p.

Comments

Thesis (M.S.)--Florida Atlantic University, 1974.|Thesis (M.S.)--Florida Atlantic University, 1974.

Identifier

FADT13639

Format

pdf

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