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IUPAC - singlet state (S05699)

singlet state

https://doi.org/10.1351/goldbook.S05699
A state having a total electron spin quantum number equal to 0.
See:
multiplicity
Source:
PAC, 1996, 68, 2223. (Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2273 [Terms] [Paper]