Electric quadrupole contributions to the optical activity of crystalline transition metal complexes

Barron, L.D. (1971) Electric quadrupole contributions to the optical activity of crystalline transition metal complexes. Molecular Physics, 21(2), pp. 241-246. (doi: 10.1080/00268977100101381)

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Abstract

It is shown that the circular dichroism data from crystalline transition metal complexes of D 3 symmetry provides evidence for electric dipole-electric quadrupole contributions to the optical activity, as distinct from the usual electric dipole-magnetic dipole mechanism. Specifically, in 2[(+)-Co(en)3Cl3].NaCl.6H20 the 1A1→1E(T2g) transition, which is electric quadrupole allowed and magnetic dipole forbidden in the parent Oh complex, and the high frequency charge-transfer transitions of E symmetry, could provide significant electric quadrupole contributions to the circular dichroism. The electric quadrupole rotational strength obeys the Condon sum rule.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Barron, Professor Laurence
Authors: Barron, L.D.
College/School:College of Science and Engineering > School of Chemistry
Journal Name:Molecular Physics
Publisher:Taylor & Francis
ISSN:0026-8976
ISSN (Online):1362-3028

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