Structure and magnetic properties of a copper malonate/dipyridylamine layered coordination polymer with both syn-anti and anti-anti copper carboxylate chains

摘要

The novel 2-D capper metal-organic layered coordination polymer{[Cu2(malonate)2(dpa)(H2O)2]·H2O}(1,dpa=4,4'-dipyridyl-amine)has been prepared and characterized by single-crystal X-ray diffraction,IR and thermogravimetric analysis.The structure of compound 1 consists of alternating syn-anti and anti-anti copper malonate 1-D chains linked into a(6,3)herringbone layer motif through tethering dpa ligands.Variable temperature magnetic studies indicate weak ferromagnetic coupling through the 1-D copper malonate chains with J=0.64(1)cm~(-1)and g=2.033(4).