New 3D coordination polymers constructed from pillared metal-formate Kagomé layers exhibiting spin canting only in the nickel(II) complex

Inorganic Chemistry
Zuo-Xi LiXian-He Bu

Abstract

Sparked by the strategy of pillared-layer MOFs, three formate coordination polymers, {[Ni(2)(HCO(2))(3)(L)(2)](NO(3)).2H(2)O}(infinity) (1), {[Co(2)(HCO(2))(3)(L)(2)](HCO(2)).2H(2)O}(infinity) (2), and {[Cu(2)(HCO(2))(3)(L)(2)](HCO(2)).2H(2)O}(infinity) (3), have been synthesized by employing the rodlike ligand 4,4'-bis(imidazol-1-yl)biphenyl (L) as the pillar. Structural analysis indicates that the title complexes 1-3 are isostructural compounds, which possess metal-formate 2D layers perpendicularly pillared by the ligand L to afford a 3D open framework. This is an interesting example of a Kagome lattice based on the formate mediator. Moreover, the formate anion of this 2D Kagome layer exhibits various bridging modes: anti-anti, syn-anti, and 3.21 modes. Their magnetic measurements reveals that only complex 1 presents the spin canting phenomenon, while its isostructural Co(II) and Cu(II) complexes are simply paramagnets with antiferromagnetic coupling.

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Citations

Apr 27, 2011·Inorganic Chemistry·Tanaya KunduGoutam Kumar Lahiri
May 26, 2012·Inorganic Chemistry·Jia LiLan-Sun Zheng
Jul 9, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Andrea RossinJenny G Vitillo
Oct 23, 2010·Chemical Communications : Chem Comm·Zuo-Xi LiXian-He Bu
May 10, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·Li YangYou Song
Jun 14, 2016·Dalton Transactions : an International Journal of Inorganic Chemistry·Teng LiYan-Zhen Zheng
Oct 25, 2016·Dalton Transactions : an International Journal of Inorganic Chemistry·Subba R MarriJ N Behera
Mar 30, 2010·Advanced Materials·Zheming WangHayao Kobayashi
Jul 26, 2011·Dalton Transactions : an International Journal of Inorganic Chemistry·En-Cui YangXiao-Jun Zhao
Aug 30, 2013·Dalton Transactions : an International Journal of Inorganic Chemistry·Rupam SenZhi Lin
Jul 26, 2013·Dalton Transactions : an International Journal of Inorganic Chemistry·Xue-Zhi SongHong-Jie Zhang
Sep 23, 2014·Dalton Transactions : an International Journal of Inorganic Chemistry·Yun-Wu LiXian-He Bu
Jun 14, 2021·Chemical Communications : Chem Comm·Shaowu DuZhangzhen He

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