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hydrogen isocyanide : ウィキペディア英語版 | hydrogen isocyanide
|Section2= |Section3= }} Hydrogen isocyanide is a chemical with the molecular formula HNC. It is a minor tautomer of hydrogen cyanide (HCN). Its importance in the field of astrochemistry is linked to its ubiquity in the interstellar medium. == Nomenclature ==
Both 'hydrogen isocyanide' and 'azanylidyniummethanide' are correct IUPAC names for HNC. Currently there is no preferred IUPAC name. The second one is according to the ''substitutive nomenclature rules'', derived from the ''parent hydride'' azane (NH3) and the anion methanide (C−).〔The suffix 'ylidyne' refers to the lost of three hydrogen atoms from the nitrogen atom in azanium (NH4+) See the (''IUPAC Red Book'' 2005 ) Table III, "Suffixes and endings", p. 257.〕
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