low-spin

Also contains definition of: high-spin
https://doi.org/10.1351/goldbook.LT06788
In any @C01330@ with a particular dn (1<n<9) configuration and a particular geometry, if the n electrons are distributed so that they occupy the lowest possible energy levels, the entity is a low-spin complex. If some of the higher energy d orbitals are occupied before all the lower energy ones are completely filled, then the entity is a high-spin complex.
Source:
PAC, 1997, 69, 1251. (Glossary of terms used in bioinorganic chemistry (IUPAC Recommendations 1997)) on page 1283 [Terms] [Paper]
Citation: 'low-spin' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.LT06788 RIS BibTex EndNote
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Last revised: February 24, 2014