Synthesis, structure, and supramolecular chemistry of three azide manganese complexes with 2, 6-Bis(benzimidazol-2-yl)pyridine

Wang C.-F.; Dai G.-L.; Jin Z.-N.; He Z.-C.

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Synthesis, structure, and supramolecular chemistry of three azide manganese complexes with 2, 6-Bis(benzimidazol-2-yl)pyridine

机译：三种叠氮锰与2，6-双（苯并咪唑-2-基）吡啶的配合物的合成，结构和超分子化学

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Three azide complexes with the tridentate ligand 2, 6-bis(benzimidazol-2- yl)pyridine (H _2BBIP) were synthesized and their complicated supramolecular interactions were investigated with single-crystal X-ray diffraction. Interestingly, the complexes are assembled by bifurcated hydrogen bonding, double helical π-π stacking, or anion-π stacking interactions of the benzimidazole rings by tuning the reaction conditions (temperature, ratio, solvent). Complex 1 is a mononuclear compound, namely, Mn(H _2BBIP)N _3(CH _3O)·CH _3OH. In its 3D supramolecular network, the nitrogen atom of the azide anion is acting as hydrogen bonding bifurcated acceptor. Complex 2 is a dinuclear compound, namely, Mn _2(H _2BBIP) _2(N _3) _2·(H _2O) _(0.5). The dinuclear unit is connected by intramolecular π-π stacking interactions. Furthermore, double helical π-π stacking interactions in the benzimidazole rings are observed. Complex 3, Mn _2(H _2BBIP) _2(N _3) _2·CH _3OH, can be formulated as a pseudopolymorph of complex 2, which exhibits intramolecular π-π stacking interactions as well as anion-π interactions in the dinuclear unit.

机译：合成了具有三齿配体2的6个双叠氮化物配合物6-双（苯并咪唑-2-基）吡啶（H _2BBIP），并通过单晶X射线衍射研究了其复杂的超分子相互作用。有趣的是，通过调节反应条件（温度，比率，溶剂），通过苯并咪唑环的双氢键合，双螺旋π-π堆积或阴离子-π堆积相互作用来组装配合物。配合物1是单核化合物，即Mn（H _2BBIP）N _3（CH _3O）·CH _3OH。在其3D超分子网络中，叠氮化物阴离子的氮原子充当氢键分叉的受体。配合物2是双核化合物，即Mn _2（H _2BBIP）_2（N _3）_2·（H _2O）_（0.5）。双核单元通过分子内π-π堆积相互作用连接。此外，在苯并咪唑环中观察到双螺旋π-π堆积相互作用。可以将配合物3 Mn _2（H _2BBIP）_2（N _3）_2·CH _3OH配制成配合物2的假多晶型物，该分子在双核单元中具有分子内π-π堆积相互作用以及阴离子-π相互作用。

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《Zeitschrift fur Anorganische und Allgemeine Chemie》 |2012年第9期|共5页
作者
Wang C.-F.; Dai G.-L.; Jin Z.-N.; He Z.-C.;
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正文语种 eng
中图分类化学;
关键词
2; 6-Bis(benzimidazolyl)pyridine; Anion-π interaction; Azide complexes; Pseudopolymorphism; Manganese;

机译：2;6-双（苯并咪唑基）吡啶;阴离子-π相互作用;叠氮化物络合物;拟多态性;锰;

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1. Synthesis, structure, and supramolecular chemistry of three azide manganese complexes with 2, 6-Bis(benzimidazol-2-yl)pyridine [J] . Wang C.-F., Dai G.-L., Jin Z.-N., Zeitschrift fur Anorganische und Allgemeine Chemie . 2012,第9期

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Synthesis, structure, and supramolecular chemistry of three azide manganese complexes with 2, 6-Bis(benzimidazol-2-yl)pyridine

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