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Multinuclear magnetic resonance study of organomercury fulminates. The structure of mercury fulminate in solution
Author(s) -
De Sarlo Francesco,
Brandi Alberto,
Fabrizi Lino,
Guarna Antonio,
Niccolai Neri
Publication year - 1984
Publication title -
organic magnetic resonance
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0030-4921
DOI - 10.1002/mrc.1270220605
Subject(s) - organomercury compounds , chemistry , mercury (programming language) , organomercury , nitrogen atom , covalent bond , nuclear magnetic resonance , analytical chemistry (journal) , metal , organic chemistry , physics , computer science , group (periodic table) , programming language
1 H, 13 C, 14 N and 199 Hg NMR data were obtained for organomercury fulminates, RHgCNO (R Me, Ph, CNO). The relatively slow relaxation processes effective for the quadrupolar nitrogen muclei of these compounds allow the detection of 199 Hg 14 N scalar coupling constants. This feature is ascribed to the presence of low electric field gradients around the 14 N nucleus, owing to the presence of the mercury atom. In mercury fulminate, the 199 Hg nucleus appears to be coupled with two equivalent 14 N nuclei, thus indicating the existence of a covalent structure Hg(CNO) 2 in solution.