Title: chiroptic
Long Title: IUPAC Gold Book - chiroptic
DOI: 10.1351/goldbook.C01064
Status: current

Definition
A term referring to the optical techniques (using refraction, absorption or emission of anisotropic radiation) for investigating chiral substances [e.g. measurements of optical rotation at a fixed wavelength, optical rotatory dispersion (ORD), circular dichroism (CD), and circular polarization of luminescence (CPL)].

Related Terms
- chiral: https://goldbook.iupac.org//terms/view/C01057
- dichroism: https://goldbook.iupac.org//terms/view/DT07357
- luminescence: https://goldbook.iupac.org//terms/view/L03641
- optical rotation: https://goldbook.iupac.org//terms/view/O04312
- polarization: https://goldbook.iupac.org//terms/view/P04712
- wavelength: https://goldbook.iupac.org//terms/view/W06659

Source
- PAC, 1996, 68, 2193. 'Basic terminology of stereochemistry (IUPAC Recommendations 1996)' on page 2203 (https://doi.org/10.1351/pac199668122193)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/C01064/html
- json: https://goldbook.iupac.org/terms/view/C01064/json
- xml: https://goldbook.iupac.org/terms/view/C01064/xml

Citation: Citation: 'chiroptic' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.C01064
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Accessed: 2026-05-30T09:56:16+00:00