IUPAC > Gold Book > alphabetical index > F > frequency, ν, ω in photochemistry


frequency, ν, ω

in photochemistry
The number of waveperiods per time interval. The linear frequency, ν, is the number of cycles per time interval. SI unit Hz = s −1.
For the angular frequency the symbol ω (= 2 π ν) is used with rad s −1 as the SI unit.
See also: a more general definition of frequency
PAC, 2007, 79, 293 (Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 345
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IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. doi:10.1351/goldbook.
Last update: 2014-02-24; version: 2.3.3.
DOI of this term: doi:10.1351/goldbook.FT07383.
Original PDF version: http://www.iupac.org/goldbook/FT07383.pdf. The PDF version is out of date and is provided for reference purposes only. For some entries, the PDF version may be unavailable.
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