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Luminescent and Magnetic Properties of Coordination Polymers Induced by Coordinating Modes of a Bis(oxamate) Ligand

Luminescent and Magnetic Properties of Coordination Polymers Induced by Coordinating Modes of a... The reactions of an unexploited N,N′‐5‐carboxyl‐1,3‐phenylenebis(ethyl oxamate) (HEt2L) ligand with different Mn2+ and Cd2+ salts under solvothermal conditions afforded four three‐dimensional (3D) coordination polymers (CPs): [Mn1.5L(H2O)2]⋅H2O (1) [Mn2L(C2O4)0.5(NMP)(H2O)] ⋅ NMP (2), [Cd1.5L(H2O)2.5] ⋅ H2O (3) and [Cd2L(C2O4)0.5(H2O)3] ⋅ H2O (4) (NMP=N‐methyl pyrrolidone). L, generated by the in‐situ hydrolysis of HEt2L, displays four kinds of coordinating modes through oxamate and carboxylate groups as well as different syn‐syn and syn‐trans configurations. The resulting novel (3,4,5)‐, (3,4,6)‐, (4,5)‐ and (4,4,4,5)‐connected topologies for 1–4 were formed. Among them, 1 has interesting 1D metal‐oxamate zigzag chains, 2 contains 1D channels with a free void of 52.5 %, 3 consists of an unprecedented Cd‐oxamate layer, 4 has a novel Cd‐oxamate‐oxalate chain. The antiferromagnetic interactions of 1 and 2 were observed, meanwhile 3 and 4 exhibit solid‐state luminescence with the maximum emission bands at 483 and 479 nm, respectively, under an excitation of 332 nm. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png ChemPlusChem Wiley

Luminescent and Magnetic Properties of Coordination Polymers Induced by Coordinating Modes of a Bis(oxamate) Ligand

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References (59)

Publisher
Wiley
Copyright
© 2019 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim
eISSN
2192-6506
DOI
10.1002/cplu.201800470
Publisher site
See Article on Publisher Site

Abstract

The reactions of an unexploited N,N′‐5‐carboxyl‐1,3‐phenylenebis(ethyl oxamate) (HEt2L) ligand with different Mn2+ and Cd2+ salts under solvothermal conditions afforded four three‐dimensional (3D) coordination polymers (CPs): [Mn1.5L(H2O)2]⋅H2O (1) [Mn2L(C2O4)0.5(NMP)(H2O)] ⋅ NMP (2), [Cd1.5L(H2O)2.5] ⋅ H2O (3) and [Cd2L(C2O4)0.5(H2O)3] ⋅ H2O (4) (NMP=N‐methyl pyrrolidone). L, generated by the in‐situ hydrolysis of HEt2L, displays four kinds of coordinating modes through oxamate and carboxylate groups as well as different syn‐syn and syn‐trans configurations. The resulting novel (3,4,5)‐, (3,4,6)‐, (4,5)‐ and (4,4,4,5)‐connected topologies for 1–4 were formed. Among them, 1 has interesting 1D metal‐oxamate zigzag chains, 2 contains 1D channels with a free void of 52.5 %, 3 consists of an unprecedented Cd‐oxamate layer, 4 has a novel Cd‐oxamate‐oxalate chain. The antiferromagnetic interactions of 1 and 2 were observed, meanwhile 3 and 4 exhibit solid‐state luminescence with the maximum emission bands at 483 and 479 nm, respectively, under an excitation of 332 nm.

Journal

ChemPlusChemWiley

Published: Jan 1, 2019

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