Highly-connected, porous coordination polymers based on [M4(μ3-OH)2] (M = Co(II) and Ni(II)) clusters: different networks, adsorption and magnetic properties

Dalton Transactions : an International Journal of Inorganic Chemistry
Qing ChenXiao-Ming Chen

Abstract

Two new 3D coordination polymers based on tetranuclear clusters, {[Co(4)(ina)(5)(μ(3)-OH)(2)(H(2)O)(EtOH)]-NO(3)·2EtOH·4H(2)O}(n) (1) (Hina = isonicotinic acid) and {[Ni(4)(ina)(5)(μ(3)-OH)(2)(EtCOO)]·6EtOH·2H(2)O}(n) (2), were obtained by the solvothermal reactions from Hina and different metal salts. The [M(4)(μ(3)-OH)(2)] cores act as 7- and 9-connected nodes and are extended through ina linkers to highly-connected frameworks with vmr net for 1 and bct-9-P2(1)/c net for 2. Both the desolvated frameworks display effective gas sorption capacities of N(2) and H(2) with Langmuir surface areas of 546 and 917 m(2) g(-1) for 1 and 2, respectively. Magnetic studies show spin canting and spin-glass behaviours with T(g) = 6.0 and 15.0 K for 1 and 2, respectively. The intra- and inter-tetramer coupling interactions and cooperative magnetic correlation greatly influence the bulk magnetic behaviours in this system.

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Citations

Feb 18, 2015·Dalton Transactions : an International Journal of Inorganic Chemistry·Zheng YinMohamedally Kurmoo
May 18, 2016·Dalton Transactions : an International Journal of Inorganic Chemistry·Ya-Hui LiuFeng Su
Sep 24, 2015·Dalton Transactions : an International Journal of Inorganic Chemistry·Laura J McCormickRussell E Morris
Oct 2, 2012·Dalton Transactions : an International Journal of Inorganic Chemistry·Min ZhuHong-Jie Zhang
Nov 21, 2012·Dalton Transactions : an International Journal of Inorganic Chemistry·Yan-Zhen ZhengXiao-Ming Chen
Dec 12, 2013·Dalton Transactions : an International Journal of Inorganic Chemistry·Shuxing WuYunfang Chen
May 1, 2013·Dalton Transactions : an International Journal of Inorganic Chemistry·Xue-Zhi SongHong-Jie Zhang

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