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Group Theory for Chemists, 2nd Edition
book

Group Theory for Chemists, 2nd Edition

by K Molloy
December 2010
Beginner
232 pages
5h 39m
English
Woodhead Publishing
Content preview from Group Theory for Chemists, 2nd Edition
APPENDIX 2

Microstates and Term Symbols

This brief overview sets out a stepwise strategy for determining the microstates for a given electronic configuration and how these are divided up into groups, each described by a term symbol. The microstates and term symbols for the d2 configuration will be used as an example.

Step 1 : Determine the degeneracy of the configuration

This is done using eqn. 12. 1:

image

Step 2 : Determine the maximum L and S for the configuration

For each d-electron, ml = 2, 1, 0, –1, –2, so maximum L = 4 (2 + 2). The two electrons can both have ms = ½ so maximum S = 1.

Step 3 : Determine the range of ML and MS values associated ...

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Publisher Resources

ISBN: 9780857092403