LS-Coupled Atomic Term Symbols for nf7 Configuration

Authors

  • P. L. Meena Department of Chemistry, University of Rajasthan, Jaipur, Rajasthan, India
  • A. S Meena Department of Chemistry, University of Rajasthan, Jaipur, Rajasthan, India
  • K. S. Meena Department of Chemistry, M.L.V. Government College, Bhilwara, Rajasthan, India

DOI:

https://doi.org/10.37591/jomcct.v8i2.1896

Keywords:

Angular momentum, Spin momentum, L-S coupling, spin-orbit coupling, term

Abstract

In this manuscript, we described a simple method to obtain Russell Saunders atomic terms for nf7 configuration by microstate building and finally thesplitting of LS terms, levels and states by different types of interaction represented pictorially. 3432 microstates in nf7 configuration resolve into 119 terms due to electronic interaction that are one (1) octet {8S}, six (6) sextets {6I, 6H, 6G, 6F, 6D, 6P}, forty (40) quartets {4N, 4M, 4L(3-Terms), 4K(3-Terms), 4I(5-Terms), 4H(5-Terms), 4G(7-Terms), 4F(5-Terms), 4D(6-Terms), 4P(2-Terms), 4S(2-Terms),} and seventy two (72) doublets {2Q, 2O, 2N(2-Terms), 2M(4-Terms), 2L(5-Terms), 2K(7-Terms), 2I(9-Terms), 2H(9-Terms), 2G(10-Terms), 2F(10-Terms), 2D(7-Terms), 2P(5-Terms), 2S(2-Terms)}. Ground state term derived for nf7 configuration is Octet S (8S) and ground state is 8S7/2. 

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Published

2019-04-23

Issue

Vol. 8 No. 2 (2017)

Section

Articles

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