Journal Title
Title of Journal: Struct Chem
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Abbravation: Structural Chemistry
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Publisher
Kluwer Academic Publishers-Plenum Publishers
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Authors: KiYoung Choi SunYoung Park YongMan Jeon Haiil Ryu
Publish Date: 2005/11/15
Volume: 16, Issue: 6, Pages: 649-656
Abstract
Tetradentate Schiffbase carboxylatecontaining ligands bis2pyridylmethylamino5valeric acid Hpmva and bis2pyridylmethylamino6caproic acid Hpmca react with copperII perchlorate to give rise to the carboxylated bridged chain complexes CuμpmvaH2OClO4 n 1 and CuμpmcaH2OClO4 n 2 These complexes have been characterized by Xray crystallography spectroscopic and variabletemperature magnetic susceptibility measurements In 1 and 2 each of the copperII ions exhibit CuN3O2 coordination environments with the three nitrogen atoms of the ligand and one oxygen atom belonging to the carboxylate group of an adjacent molecule occupying the basal position and a water molecule coordinated in the axial position The electronic spectra of the complexes are significantly affected by the coordination geometry Magnetic susceptibility measurements indicate that complexes exhibit very weak ferromagnetic interactions
Keywords:
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