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Antiferro- and Ferromagnetic Interactions in Mn(II), Co(II), and Ni(II) Compounds with Mixed Azide-Carboxylate Bridges
Ma, Yu1; Zhang, Jian-Yong1; Cheng, Ai-Ling1; Sun, Qian1; Gao, En-Qing1; Liu, Cai-Ming2
2009-07-06
Source PublicationINORGANIC CHEMISTRY
ISSN0020-1669
Volume48Issue:13Pages:6142-6151
AbstractA series of transition metal coordination polymers with azide and flexible zwitterionic dicarboxylate ligands was synthesized and structurally and magnetically characterized. These compounds are formulated as [Me(L(1))(N(3))(4)] (L(1), '-trimethylenedipyridinio-N, N'-diacetate and M = Mn, 1; Co, 2; and Ni, 3) and [ML(2) (N(3))(6) N-diacetate and M = Mn, 4; Co, 5). The isomorphous compounds 1-3 consist of two-dimensional coordination layers in which the anionic uniform chains with mixed triple bridges (two end-on (E) azides and a syn-syn carboxylate) are cross-liniked by the flexible, cationic, '-trimethylenedipyridinium spacers, while the isomorphous compounds 4 and 5 consist of alternating chains with triple (two EO azides plus a carboxylate) and double (two end-to-end azides) bridges, the, '-dipyridinium spacers serving as side bridges along the chain. Magnetic studies demonstrated that the triple bridge transmits antiferromagnetic coupling in the Mh(II) compounds 0 and 4) but ferromagnetic coupling in the Co(II) and Ni(II) species (2, 3, and 5). The differences have been discussed in terms of the collaboration or competition between the carboxylate and azide pathways. Compound 4 exhibits alternating antiferromagnetic interactions, while alternating ferromagnetic-ferromagnetic-antiferromagnetic interactions with spin canting are suggested for 5.
DOI10.1021/ic900472d
Indexed BySCI
Language英语
WOS IDWOS:000267507400067
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:88[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/68176
Collection中国科学院化学研究所
Corresponding AuthorGao, En-Qing
Affiliation1.E China Normal Univ, Dept Chem, Shanghai Key Lab Green Chem & Chem Proc, Shanghai 200062, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Ma, Yu,Zhang, Jian-Yong,Cheng, Ai-Ling,et al. Antiferro- and Ferromagnetic Interactions in Mn(II), Co(II), and Ni(II) Compounds with Mixed Azide-Carboxylate Bridges[J]. INORGANIC CHEMISTRY,2009,48(13):6142-6151.
APA Ma, Yu,Zhang, Jian-Yong,Cheng, Ai-Ling,Sun, Qian,Gao, En-Qing,&Liu, Cai-Ming.(2009).Antiferro- and Ferromagnetic Interactions in Mn(II), Co(II), and Ni(II) Compounds with Mixed Azide-Carboxylate Bridges.INORGANIC CHEMISTRY,48(13),6142-6151.
MLA Ma, Yu,et al."Antiferro- and Ferromagnetic Interactions in Mn(II), Co(II), and Ni(II) Compounds with Mixed Azide-Carboxylate Bridges".INORGANIC CHEMISTRY 48.13(2009):6142-6151.
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