Region of the electromagnetic spectrum extending from
to about
.
According to the
CIE, the range between
and
is subdivided into:
IR-A
–
IR-B
–
IR-C
–
Note:
This is the
wavelength region in which
absorption by a molecular entity causes excitation of its vibrational, rotational, and bending modes.
Source:
PAC, 2007, 79, 293
(Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006))
on page 354
Cite as:
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.
