Mercury(II) halide complexes with N-donor organic ligands: crystal and molecular structure of HgI2R, R = 1,10-phenanthroline, 2,9-dimethyl-1,10-phenanthroline, bipyridine |
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| Authors: | Eleonora Freire Sergio Baggio Ricardo Baggio Leopoldo Suescun |
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| Institution: | (1) Universidad Nacional de la Patagonia, Sede Puerto Madryn, and CenPat, CONICET, 9120 Puerto Madryn, Chubut, Argentina;(2) Departamento de Física, Comisión Nacional de Energía Atómica, Avda. del Libertador 8250, 1429 Buenos Aires, Argentina;(3) Laboratorio de Cristalografia y Química del Estado Sólido, Facultad de Quimica, Universidad de la República, Montevideo, Uruguay |
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| Abstract: | The synthesis, characterization and single crystal X-ray structure of three compounds of general formula HgI2R (R = phen1], dmph 2] and bpy3]) are presented. The crystal data for the three compounds are: 1], triclinic, space group P
(#2) a = 7.902(2), b = 9.479(2), c = 10.002(2) Å,  = 91.45(2),  = 111.34(2),  = 100.82(2)° 2]: monoclinic, space group C2/c (#15) a = 15.670(3), b = 11.640(2), c = 9.730(2) Å, = 114.57(3)° 3]: triclinic, space group P1¯ (#2) a = 9.472(1), b = 9.507(1), c = 9.023(1) Å, = 98.46(1), = 102.89(1), = 119.62(1)°. Compounds 1] and 2] are monomers, with highly distorted tetrahedral environments around Hg. In 3], instead, there is a significant intermolecular I···Hg interaction leading to the formation of softly bound dimers linking two pentacoordinated cations. The structure is compared with related ones in the literature. |
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| Keywords: | mercury halides crystal structure |
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