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首页> 外文期刊>Journal of structural chemistry >Crystal structure of oxonium trans(O)-cis-(C)-dicyanobis(2-picolinato)cobaltate(III) hydrate: Two types of proton site
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Crystal structure of oxonium trans(O)-cis-(C)-dicyanobis(2-picolinato)cobaltate(III) hydrate: Two types of proton site

机译:氧鎓反式(O)-顺式-(C)-双氰基双(2-吡啶甲酸)钴(III)水合物的晶体结构:两种质子位点

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摘要

The trans(O)-cis(C)-bis(pyridine-2-carboxylato)dicyanocobaltate(III) ions, [CO(Pic)(2)(CN)(2)](-), crystallize from acid medium with three water molecules per two crystallographically nonequivalent complexes whose charge is compensated by protons. One of the water molecules forms an oxonium ion (H3O+) with a proton. The other two water molecules bound to each other through a short hydrogen bond O-H center dot center dot center dot O (2.403(2) angstrom) and thus forming (H5O2)(+) cations is another proton site. The (H3O)(H5O2)[Co(Pic)(2)(CN)(2)](2) crystals are monoclinic: a = 10.7027(7) angstrom, b = 25.786(1) angstrom, c = 11.4865(8) angstrom, beta = 91.411(9)degrees, Z= 4, space group P2(1).
机译:[CO(Pic)(2)(CN)(2)](-)的反式(O)-顺式(C)-双(吡啶-2-羧基)二氰基钴酸(III)离子从酸性介质中结晶出来,具有三个每两个晶体学上不等价的配合物的水分子,其电荷由质子补偿。水分子之一与质子形成氧鎓离子(H3O +)。另外两个水分子通过短氢键O-H中心点中心点中心点O(2.403(2)埃)相互结合,从而形成(H5O2)(+)阳离子是另一个质子位点。 (H3O)(H5O2)[Co(Pic)(2)(CN)(2)](2)晶体是单斜晶体:a = 10.7027(7)埃,b = 25.786(1)埃,c = 11.4865(8)埃,β= 91.411(9)度,Z = 4,空间群P2(1)/ n。

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