For solid Ba[CSe 3 ], the vibrational wavenumbers and assignments for the [CSe 3 ] 2 ion

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For solid Ba[CSe3], the vibrational wavenumbers and assignments for the [CSe3]2− ion are 802 (E', stretch), 420 (A2''), 290 (A1') and 185 (E', deformation) cm−1.

(a) Based on these assignments, deduce the shape of the [CSe3]2− ion. 

(b) Draw diagrams to illustrate the modes of vibration of [CSe3]2−

(c) Which modes of vibration are IR active?

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Inorganic Chemistry

ISBN: 9781292134147

5th Edition

Authors: Catherine Housecroft

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