electron-deficient bond

https://doi.org/10.1351/goldbook.E01985
A single bond between adjacent atoms that is formed by less than two electrons, as in B2H6:
E01985.png
The B–H–B bonds are called 'two-electron three-centre bonds'.
Source:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1110 [Terms] [Paper]
Citation: 'electron-deficient bond' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.E01985 RIS BibTex EndNote
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Last revised: February 24, 2014