In chemistry, a parent hydride in IUPAC nomenclature refers to a main group compound with the formula AHn, where A is a main group element. The names of parent hydrides end with -ane, analogous with the nomenclature for alkanes. Derivatives of parent hydrides are named by appending prefixes or suffixes to the name of the parent hydride to indicate the substituents that replace the hydrogen atoms.
Parent hydrides are useful reference compounds, but many are nonexistent or unstable. Group III parent hydrides exist only under extraordinary conditions. Borane dimerizes irreversibly. Gallane and heavier congeners polymerize, sometimes with loss of hydrogen. Plumbane and bismuthane, stibane, indane, thallane are unstable.
^Nomenclature of Inorganic Chemistry IUPAC Recommendations 2005 (Red Book) Par. IR-6 Parent Hydride Names and Substitutive Nomenclature - Full text PDF
January 01, 1970
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