Hydrogen-Bonded Quartz-type Network of Diprotonated Tetrakis(4-pyridyl)methane Dications
作者:Kouzou Matsumoto、Daisuke Inokuchi、Yasukazu Hirao、Hiroyuki Kurata、Takashi Kubo
DOI:10.1021/cg1003353
日期:2010.7.7
The crystal structures of the perchlorate, tetrafluoroborate, chloride, and p-toluenesulfonate salts of the diprotonated tetrakis(4-pyridyl)methane (Py4C) dication, [(Py4C)·2H]2+·(ClO4−)2·(CH3CN) (1), [(Py4C)·2H]2+·(BF4−)2·(CH3CN) (2), [(Py4C)·2H]2+·2Cl− (3), and [(Py4C)·2H]2+·2(TsO−) (4), respectively, have been determined by X-ray analysis. Dication [(Py4C)·2H]2+ constructs a three-dimensional polycationic
高氯酸盐,四氟硼酸盐,氯化物,和的晶体结构p甲苯磺酸盐的双质子四盐(4-吡啶基)甲烷(PY 4 C)二价阳离子,[(PY 4 C)·2H] 2+ ·(CLO 4 - )2 ·(CH 3 CN)(1),[(PY 4 C)·2H] 2+ ·(BF 4 - )2 ·(CH 3 CN)(2),[(PY 4 C)·2H] 2+ ·2CL -(3)和[(PY 4 C)·2H] 2+ ·2(TSO -)(4)分别通过X射线分析确定。阳离子[(Py 4 C)·2H] 2+通过在吡啶离子和吡啶中分别在1和2中形成分子间的NH ···N氢键而构成了三维聚阳离子网络,其特征是3倍互穿的石英型网络结构。相反,在3和4中没有观察到网络结构,因为每个吡啶鎓离子与抗衡离子形成氢键。[(Py 4 C)·2H] 2+的网络结构 本文所述的药物不仅在美学上令人愉悦,而且有望具有令人感兴趣的介电和热性能。