2-(hydroxymethyl)-1 H-benzo[ d]imidazole-5-carboxylic acid as linker for Co(II)/Ni(II)/Cu(II) coordination polymers: Synthesis, structures and properties

摘要

AbstractWe report the synthesis and characterization of five transition metal coordination polymers (CPs) based on M(II) (M: Co, Ni and Cu), 2-(hydroxymethyl)-1H-benzo[d]imidazole-5-carboxylic acid (H2L) ligand. They are formulated as {[Co2(HL)2(H2O)3(SO4)]·H2O}n(1), {[Co2(HL)2(H2O)2]·SiF6}n(2), {[Ni2(HL)2(H2O)3(SO4)]·2H2O}n(3), {[Ni2(HL)2(H2O)4]·H2O·SiF6}n(4), {[Cu2(HL)2(H2O)2]·SiF6}n(5). The complexes1–5structure were characterized by single-crystal X-ray diffraction, elementa