conformation 

https://doi.org/10.1351/goldbook.C01258
The spatial arrangement of the atoms affording distinction between @S05984@ which can be interconverted by rotations about formally single bonds. Some authorities extend the term to include @I03146@ at trigonal pyramidal centres and other @P04755@.
See also: conformer, bisecting conformation, chair, boat, twist, crown conformation, envelope conformation, half-chair, staggered conformation, tub conformation
Sources:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1099 [Terms] [Paper]
PAC, 1996, 68, 2193. (Basic terminology of stereochemistry (IUPAC Recommendations 1996)) on page 2204 [Terms] [Paper]
Citation: 'conformation' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.C01258 RIS BibTex EndNote
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Last revised: February 24, 2014