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Magnetic Systems with Mixed Carboxylate and Azide Bridges: Slow Relaxation in Co(II) Metamagnet and Spin Frustration in Mn(II) Compound
Wang, Yan-Qin1; Zhang, Xiu-Mei1; Li, Xiu-Bing1; Wang, Bing-Wu2; Gao, En-Qing1
2011-07-04
Source PublicationINORGANIC CHEMISTRY
ISSN0020-1669
Volume50Issue:13Pages:6314-6322
AbstractTwo coordination polymers formulated as [{[Co(2)(L)(N(3))(4)]center dot 2DMF}(n) (1) and [Mn(2)(L)(H(2)O)(0.5)(N(3))(8)](n) (2) (L = 1,4-bis(4-carboxylatopyridinium-1-methyl)-benzene) were synthesized and structurally and magnetically characterized. In compound 1, the anionic uniform Co(II) chains with mixed (mu-EO-N(3))(2)(mu-COO) triple bridges (EO = end-on) are cross-linked by the cationic bis(pyridinium) spacers to generate 2D coordination layers. It was demonstrated that the triple bridges mediate ferromagnetic coupling and that the compound represents a new example of the rare systems exhibiting the coexistence of antiferromagnetic ordering, metamagnetism, and slow magnetic dynamics. Compound 2 features the magnetic Delta-chain formed from isosceles triangular units with single mu-EE-N(3) and double (mu-EO-N(3)) (mu-COO) bridges (EE = end-to-end). The Delta-chains are interlinked by long organic ligands into a 3D framework with novel net topology and 3-fold interpenetration. The magnetic properties of 2 indicate the presence of spin frustration characteristic of Delta-chains with antiferromagnetic interactions.
DOI10.1021/ic200732f
Indexed BySCI
Language英语
WOS IDWOS:000292010000054
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:72[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/72300
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.Peking Univ, Coll Chem & Mol Engn, Beijing Natl Lab Mol Sci, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yan-Qin,Zhang, Xiu-Mei,Li, Xiu-Bing,et al. Magnetic Systems with Mixed Carboxylate and Azide Bridges: Slow Relaxation in Co(II) Metamagnet and Spin Frustration in Mn(II) Compound[J]. INORGANIC CHEMISTRY,2011,50(13):6314-6322.
APA Wang, Yan-Qin,Zhang, Xiu-Mei,Li, Xiu-Bing,Wang, Bing-Wu,&Gao, En-Qing.(2011).Magnetic Systems with Mixed Carboxylate and Azide Bridges: Slow Relaxation in Co(II) Metamagnet and Spin Frustration in Mn(II) Compound.INORGANIC CHEMISTRY,50(13),6314-6322.
MLA Wang, Yan-Qin,et al."Magnetic Systems with Mixed Carboxylate and Azide Bridges: Slow Relaxation in Co(II) Metamagnet and Spin Frustration in Mn(II) Compound".INORGANIC CHEMISTRY 50.13(2011):6314-6322.
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