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dc.contributor.authorJeeranun Inthongen_US
dc.contributor.authorVasut Nakarajouyphonen_US
dc.contributor.authorKwanchanok Udomsaspornen_US
dc.contributor.authorKhamphee Phomphraien_US
dc.contributor.authorNobuto Yoshinarien_US
dc.contributor.authorTakumi Konnoen_US
dc.contributor.authorPreeyanuch Sangtrirutnugulen_US
dc.contributor.otherVidyasirimedhi Institute of Science and Technologyen_US
dc.contributor.otherOsaka Universityen_US
dc.contributor.otherMahidol Universityen_US
dc.identifier.citationPolyhedron. Vol.191, (2020)en_US
dc.description.abstract© 2020 The coordination behavior of the newly prepared bis(triazolylmethyl)amine-type ligands bis[(1-R-1H-1,2,3-triazol-4-yl)methyl]amine [R = CH2Ph (L1), CH2-2-pyridyl (L2)] and 1-(1-benzyl-1H-1,2,3-triazol-4-yl)-N-((1-(pyridin-2-ylmethyl)-1H-1,2,3-triazol-4-yl)methyl)methanamine (L3) toward NiII ions was investigated. The reaction of NiCl2·6H2O with the benzyl-substituted bis(triazolylmethyl)amine ligand L1 afforded the mononuclear NiII complex Ni(L1)2Cl2 (1). On the other hand, dinuclear NiII complexes, [Ni2(L2)2Cl2]Cl2 (2) and [Ni2(L3)2Cl2]Cl2 (3), were obtained when NiCl2·6H2O was reacted with the pyridine-substituted ligands L2 and L3, respectively. Single-crystal X-ray analysis revealed that the two octahedral NiII centers in 2 and 3 are bridged by two triazole rings through nitrogen donors to generate the dinuclear complexes with a syn arrangement. Meanwhile, treatment of Ni(NO3)2 with L2 afforded the related dinickel(II) complex [Ni2(L2)2(NO3)2](NO3)2 (2′), in which two non-bridging triazole rings and two nitrate ions are positioned in an anti arrangement. Complexes 2 and 3 showed antiferromagnetic coupling between the two NiII centers (S = 1), with J values following the trend: 2′ > 2 > 3.en_US
dc.rightsMahidol Universityen_US
dc.subjectMaterials Scienceen_US
dc.titleDinickel(II) complexes with pyridine-substituted bis(triazolylmethyl)amine ligands: Structures and magnetic propertiesen_US
Appears in Collections:Scopus 2020

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