期刊
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
卷 171, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jpcs.2022.110992
关键词
Tin(II); Effective ionic radii; Bond valence model; Bond valence parameters
This study determined a set of effective ionic radii for the cation based on the correlation curve between bond valence and bond length. These radii correspond to different coordination numbers and are compatible with the Shannon radii system.
Based on the bond valence (s)-bond length (d) correlation curve accurately approximated for the symbolscript ion pair using the equation s symbolscript exp[(r0 - d)/b] (where the optimized bond valence parameters are r0 symbolscript 1.761 angstrom and b symbolscript 0.52 angstrom), a set of effective ionic radii corresponding to different coordination numbers (CNs) and compatible with the Shannon radii system were derived for the symbolscript cation as: 0.66 angstrom (CN symbolscript III), 0.81 angstrom (CN symbolscript IV), 1.02 angstrom (CN symbolscript VI), 1.17 angstrom (CN symbolscript VIII), and 1.38 angstrom (CN symbolscript XII).
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