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bond energy (mean bond energy)

The average value of the gas-phase bond dissociation energies (usually at a temperature of 298 K) for all bonds of the same type within the same chemical species. The mean bond energy for methane, for example, is one-fourth the enthalpy of reaction for:
B00701
Tabulated bond energies are generally values of bond energies averaged over a number of selected typical chemical species containing that type of bond.
Source:
PAC, 1994, 66, 1077 (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1090
InChI=1/CH4/h1H4
VNWKTOKETHGBQD-UHFFFAOYAM
InChI=1/CH4/h1H4
VNWKTOKETHGBQD-UHFFFAOYAM
InChI=1/H2/h1H
UFHFLCQGNIYNRP-UHFFFAOYAN
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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.
Last update: 2014-02-24; version: 2.3.3.
DOI of this term: doi:10.1351/goldbook.B00701.
Original PDF version: http://www.iupac.org/goldbook/B00701.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 The PDF version is out of date and is provided for reference purposes only.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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