Benson group increment theory | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-12-27

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Benson_group_increment_theory


00:01:20 1 Origin
00:06:40 2 Applications
00:12:15 3 Limitations
00:12:34 3.1 Inaccuracy
00:13:18 3.2 Group Availability
00:13:59 3.3 Ring Strain, Intermolecular and Intramolecular Interactions



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SUMMARY
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Benson Group Increment Theory (BGIT) or Group Increment Theory or Benson Group Additivity, uses the experimentally calculated heat of formation for individual groups of atoms to calculate the entire heat of formation for a molecule under investigation. This can be a quick and convenient way to determine theoretical heats of formation without conducting tedious experiments. The technique was developed by the late Professor Sidney William Benson of the University of Southern California. It is further described in a separate Wiki page.
Heats of formations are intimately related to bond dissociation energies and thus are important in understanding chemical structure and reactivity. Furthermore, although the theory is old, it still is practically useful as one of the best group additivity methods aside from computational methods such as molecular mechanics. However, the BGIT has its limitations, and thus cannot always predict the precise heat of formation.