Circular dichroism of D2d molecules in chiral environments promoted by Jahn-Teller Coupling

D. P. Craig; P. J. Stiles

doi:10.1016/0009-2614(76)80797-X

Circular dichroism of D_2d molecules in chiral environments promoted by Jahn-Teller Coupling

D. P. Craig^*, P. J. Stiles

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Molecules of symmetry D_2d and S₄ are achiral but following excitation to their orbitally degenerate electronic states are Jahn-Teller unstable and may deform to new equilibrium structures which are chiral. Enantiometric species are formed with equal propability. In the presence of added chiral molecules the exact equivalence of energy levels between enantiomers is destroyed. Vibronic transitions to the differentially perturbed excited states should display circular dichroism of readily measurable strength.

Original language	English
Pages (from-to)	225-227
Number of pages	3
Journal	Chemical Physics Letters
Volume	41
Issue number	2
DOIs	https://doi.org/10.1016/0009-2614(76)80797-X
Publication status	Published - 15 Jul 1976
Externally published	Yes

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title = "Circular dichroism of D2d molecules in chiral environments promoted by Jahn-Teller Coupling",

abstract = "Molecules of symmetry D2d and S4 are achiral but following excitation to their orbitally degenerate electronic states are Jahn-Teller unstable and may deform to new equilibrium structures which are chiral. Enantiometric species are formed with equal propability. In the presence of added chiral molecules the exact equivalence of energy levels between enantiomers is destroyed. Vibronic transitions to the differentially perturbed excited states should display circular dichroism of readily measurable strength.",

author = "Craig, {D. P.} and Stiles, {P. J.}",

year = "1976",

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AU - Craig, D. P.

AU - Stiles, P. J.

PY - 1976/7/15

Y1 - 1976/7/15

N2 - Molecules of symmetry D2d and S4 are achiral but following excitation to their orbitally degenerate electronic states are Jahn-Teller unstable and may deform to new equilibrium structures which are chiral. Enantiometric species are formed with equal propability. In the presence of added chiral molecules the exact equivalence of energy levels between enantiomers is destroyed. Vibronic transitions to the differentially perturbed excited states should display circular dichroism of readily measurable strength.

AB - Molecules of symmetry D2d and S4 are achiral but following excitation to their orbitally degenerate electronic states are Jahn-Teller unstable and may deform to new equilibrium structures which are chiral. Enantiometric species are formed with equal propability. In the presence of added chiral molecules the exact equivalence of energy levels between enantiomers is destroyed. Vibronic transitions to the differentially perturbed excited states should display circular dichroism of readily measurable strength.

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JO - Chemical Physics Letters

JF - Chemical Physics Letters

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Circular dichroism of D_2d molecules in chiral environments promoted by Jahn-Teller Coupling

Abstract

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