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首页> 外文期刊>Journal of chemical crystallography >Dinuclear Co(II)-Muconate Complex Displaying Distorted-Trigonal Prismatic Geometry, 2D Supramolecular Array and Weak Antiferromagnetism
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Dinuclear Co(II)-Muconate Complex Displaying Distorted-Trigonal Prismatic Geometry, 2D Supramolecular Array and Weak Antiferromagnetism

机译：Dinuclear Co(II)-Muconate Complex Displaying Distorted-Trigonal Prismatic Geometry, 2D Supramolecular Array and Weak Antiferromagnetism

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摘要

Dinuclear complex [Co-2(H2O)(4)(dmb)(2)(muc)][muc] (1) (muc = muconate; dmb = 5,5 '-dimethyl-2,2 '-bipyridine), was obtained by self-assembly solution reaction, under ambient conditions, and it was structurally characterized by elemental analysis, IR spectroscopy and single crystal X-ray diffraction. The complex 1 crystallizes in the monoclinic system in the C2/c space group. Noticeably, the six-coordinated Co(II) centers display a distorted-trigonal prismatic configuration. This uncommon coordination geometry is attained due to the hydrogen bonding interactions of the crystalline structure of 1, yielding thus a 2D supramolecular array. Magnetic properties measurements reveal that metaprism 1 exhibits weak antiferromagnetic ordering with theta((C-W)) = -14.4 K and an E-2 = 0.032 cm(-1) accordingly to Curie-Weiss model and Rueff phenomenological approach, respectively. [GRAPHICS] .

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