Synthesis, structure and magnetocaloric properties of a new two-dimensional gadolinium(III) coordination polymer based on azobenzene-2,2',3,3'-tetracarboxylic acid.

ABSTRACT: A new Gd³⁺ coordination polymer (CP), namely, poly[diaqua[μ₄-1'-carboxy-3,3'-(diazene-1,2-diyl)dibenzene-1,2,2'-tricarboxylato]gadolinium(III)], [Gd(C₁₆H₇N₂O₈)(H₂O)₂]_n, (I), has been synthesized hydrothermally from Gd(NO₃)₃·6H₂O and azobenzene-2,2',3,3'-tetracarboxylic acid (H₄abtc). The target solid has been characterized by single-crystal and powder X-ray diffraction, elemental analysis, IR spectroscopy and susceptibility measurements. CP (I) crystallizes in the monoclinic space group C2/c. The structure features a 4-connected topology in which Gd³⁺ ions are connected by carboxylate groups into a linear chain along the monoclinic symmet

SUBMITTER: Wei WW 

PROVIDER: S-EPMC8491096 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature