Variable Ag(I) Coordination Modes in Silver Cobalt(III) Bis(dicarbollide) Supramolecular Assemblies with Cyclotriveratrylene Host Molecules

Ruksanna Ahmad; Michaele J. Hardie

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Variable Ag(I) Coordination Modes in Silver Cobalt(III) Bis(dicarbollide) Supramolecular Assemblies with Cyclotriveratrylene Host Molecules

机译：银钴（III）双（双咔唑）超分子组装与Cycletriveratrylene主分子的可变Ag（I）配位模式。

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The crystal structure of the silver complex Ag(CH_3CN)_2[Co(C_2B_9H_(11))_2] has been determined and features trigonal bipyramidal Ag(I) with B-H…Ag interactions comprising the trigonal plane. When the host molecule cyclotriveratrylene (CTV) is combined with silver(I) cobalt(III) bis(dicarbollide), different supramolecular assemblies with various Ag(I) coordination environments result, depending on the crystallization conditions used. The complex Ag(CH_3CN)(H_2O)(CTV)_2[Co(C_2B_9H_(11))_2] has tetrahedral Ag(I) with coordination interactions with water, acetonitrile, and CTV through Ag-C bonds, and the structure features bis(CTV) capsules. The complexes Ag(CH_3CN)_3(CTV)[Co(C_2B_9H_(11))_2](CH_3CN)_(0.5) and Ag(CH_3CN)_4(CTV)[Co(C_2B_9H_(11))_2](CH_3CN)_(0.25) both have [Ag(CH_3CN)_n]~+ complex cations forming host-guest interactions with the CTV. In the former case, three CH_3CN ligands bind to Ag(I) and there are further weak Ag-O coordinate interactions to the CTV, whereas the latter features the more usual tetrahedral [Ag(CH_3CN)_4]~+. Complexes with CTV show host-guest interactions with coordinated acetonitrile guests.

机译：已经确定了银络合物Ag（CH_3CN）_2 [Co（C_2B_9H_（11））_ 2]的晶体结构，其特征是具有包括三角平面的B-H…Ag相互作用的三角双锥体Ag（I）。当主体分子环三藜萘（CTV）与银（I）钴（III）双（双糖脂）结合时，根据使用的结晶条件，会产生具有各种Ag（I）配位环境的不同超分子组装体。复合物Ag（CH_3CN）（H_2O）（CTV）_2 [Co（C_2B_9H_（11））_ 2]具有四面体Ag（I），通过Ag-C键与水，乙腈和CTV配位相互作用，并且结构特征为（CTV）胶囊。 Ag（CH_3CN）_3（CTV）[Co（C_2B_9H_（11））_ 2]（CH_3CN）_（0.5）和Ag（CH_3CN）_4（CTV）[Co（C_2B_9H_（11））_ 2]（CH_3CN）_ （0.25）都具有[Ag（CH_3CN）_n]〜+复杂阳离子，与CTV形成宿主-客体相互作用。在前一种情况下，三个CH_3CN配体与Ag（I）结合，并且与CTV的Ag-O坐标进一步弱，而后者具有更常见的四面体[Ag（CH_3CN）_4] +。带有CTV的复合物显示了与乙腈协调的宾客互动。

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《Crystal growth & design》 |2003年第4期|共7页
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Ruksanna Ahmad; Michaele J. Hardie;
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1. Variable Ag(I) Coordination Modes in Silver Cobalt(III) Bis(dicarbollide) Supramolecular Assemblies with Cyclotriveratrylene Host Molecules [J] . Ruksanna Ahmad, Michaele J. Hardie Crystal growth & design . 2003,第4期

机译：银钴（III）双（双咔唑）超分子组装与Cycletriveratrylene主分子的可变Ag（I）配位模式。
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Variable Ag(I) Coordination Modes in Silver Cobalt(III) Bis(dicarbollide) Supramolecular Assemblies with Cyclotriveratrylene Host Molecules

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