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Caffeine complexes of mercury(I): crystal structure of [Hg2(caffeine)2(NO3)2]

AuthorsRomero-Molina, María A.; Colacio, Enrique; Ruiz-Sánchez, José; Salas-Peregrin, J. M.; Nieto, F.
Issue DateMar-1986
CitationInorganica Chimica Acta 123(3): 133-136 (1986)
AbstractThe crystal structure of Hg2(caffeine)2(NO3)2 has been determined by X-ray diffraction methods. It crystallizes in the monoclinic space group C2/c with a=26.969(4), b=5.273(1), c=16.956(4) Å, β= 100.89(1)°, V=2368.0(9) Å3, Z=4. The structure has been solved from diffractometer data by Patterson and Fourier methods and refined by full-matrix least-squares to R=0.028 for 2404 observed reflections. The crystal contains discrete [Hg2(caffeine)2]2+ ions in which ---Hg---Hg ions are linearly bonded to N9. The structure is stabilized by a number of contacts between mercury and nitrate oxygens.
Description4 páginas, 2 figuras, 3 tablas.
Publisher version (URL)http://dx.doi.org/10.1016/S0020-1693(00)86335-5
Appears in Collections:(IACT) Artículos
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