Producción Científica Profesorado

Synthesis of Zn compounds derived from 1H-benzimidazol-2-ylmethanamine



Tlahuextl Romero, Angela Margarita

2008

Tapia-Benavides Antonio R., Tlahuextl* Margarita, Tlahuext Hugo, Galán-Vidal Carlos, Synthesis of Zn compounds derived from 1H-benczimidazol-2-ylmethanamine, Arkivoc, v, 172-186 (2008). ISSN: 1551-7012


Abstract


The influence of the pH on the synthesis of Zn(II) complexes derived from 1H-benzimidazol-2-ylmethanamine (HL) has been investigated with X-ray crystallography, FAB mass spectrometry, NMR, infrared and Raman spectroscopy. The crystal structures of (1H-benzimidazol-2-ylmethanamine)tetrachlorozincate(2-) dihydrogen [H3LZnCl4] (2), (1H-benzimidazol-2-ylmethanamine-?N3)trichlorozincate(1-) hydrogen hydrate [H2LZnCl3]H2O (3), (1Hbenzimidazol-2-ylmethanamine-?2N2,N3)dichlorozinc(II) [HLZnCl2] (4) and Bis[1Hbenzimidazol-2-ylmethanamine-k2N2,N3]chlorozinc(II) chloride hydrate [(HL)2ZnCl]ClH2O (5) are reported. Compounds 2-4 exhibit a distorted tetrahedral environment around the metal center. Complex 5 has distorted trigonal bipyramidal geometry. The crystalline structures of 2-5 show the presence of strong intermolecular hydrogen bond interactions that produces graph sets with pseudo-macrocyclic network. The NMR studies show



Producto de Investigación




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