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Title: On mercurous nitrite and a basic mercurous nitrate derivative
Authors: Samanta, Subhas
Goswami, Sreebrata
Chakravorty, Animesh
Keywords: Inorganic chemistry
Mercurous nitrite
Basic mercurous nitrate
Crystal structure
Issue Date: Feb-2011
Publisher: NISCAIR-CSIR, India
Abstract: Mercurous nitrite, first reported by P C Ray in 1896, has a centrosymmetric structure with unsymmetrical nitrite chelation consistent with the hybridization of the metal-metal bond. When left in air with adhering mother liquor it is slowly transformed into a stable basic salt, Hg6(OH)2(NO3)4, having a centrosymmetric zigzag structure in which each of the OH group bridges two mercurous moieties and pairs of nitrate ions cap the terminal metal atoms. In both, relatively weak intermolecular Hg-O bonding is present in the lattice. The basic salt (n = 2) belongs to a homologous family of general formula Hg2{(OH)Hg2}n(NO3)n+2.
Description: 137-140
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.50A(02) [February 2011]

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