...
首页> 外文期刊>Journal of chemical crystallography >Hydrogen bonding patterns of coordinated ligands in hybrid materials: Crystal structures of hydronium tetra(thiocyanato-κN)- zinc(II): Tris(2-amino-4,6-dimethylpyrimidinium) (2-amino-4,6-dimethylpyrimidine) dinitrate and bis(2-amino-4,6- dimethylpyrimidinium) tetrachlorocobaltate(II) monohydrate
【24h】

Hydrogen bonding patterns of coordinated ligands in hybrid materials: Crystal structures of hydronium tetra(thiocyanato-κN)- zinc(II): Tris(2-amino-4,6-dimethylpyrimidinium) (2-amino-4,6-dimethylpyrimidine) dinitrate and bis(2-amino-4,6- dimethylpyrimidinium) tetrachlorocobaltate(II) monohydrate

机译:杂化材料中配位体的氢键模式:四(硫氰酸根-κN)-锌(II)的水合晶体结构:二硝酸三(2-氨基-4,6-二甲基嘧啶)(2-氨基-4,6-二甲基嘧啶)和双(2-氨基-4,6-二甲基嘧啶鎓)一水合四氯化钴(II)

获取原文
获取原文并翻译 | 示例
           

摘要

Hydronium tetra(thiocyanato-κN)-zinc (II) tri (2-amino-4,6- dimethylpyrimidinium) 2-amino-4,6-dimethylpyrimidine dinitrate [H _3O ~+ Zn(NCS) _4 ~3(C _6H _(10)N _3 ~+) C _6H _9N _3 ~2(NO _3)-] and bis(2-amino-4,6-dimethylpyrimidinium) tetrachlorocobaltate(II) monohydrate [2(C _6H _(10)N _3 ~+)] CoCl _4 H _2O have been synthesized and characterized by X-ray diffraction analysis and spectroscopic studies. In compound 1, the coordination geometry around zinc is distorted tetrahedral, Zn being bonded to four N atoms from the thiocyanate anions. In compound 2, the anion [CoCl _4] ~(2-) displays distortion from ideal tetrahedral geometry. The 2-amino-4,6-dimethylpyrimidine cations are not directly coordinated to zinc/cobalt, but are hydrogen bonded to the thiocyanate/chloride ions. In both the compounds the protonated nitrogen N1 and the 2-amino group are hydrogen bonded to the nitro group/chloride ions/water molecule through N-H?O and N-H?Cl hydrogen bonds to form R _2 ~2 (8) motifs. In both the compounds, the pyrimidine cations also form base pairs via a pair of N-H?N hydrogen bonds involving the amino group and the unprotonated ring N atom. The crystal structures are further stabilized by N-H?S, O-H?O, C-H?O and C-H?Cl hydrogen bonds.
机译:四(硫氰酸根-κN)-锌(II)三(2-氨基-4,6-二甲基嘧啶鎓)2-氨基-4,6-二甲基嘧啶二氢酸盐[H _3O〜+ Zn(NCS)_4〜3(C _6H _ (10)N _3〜+)C _6H _9N _3〜2(NO _3)-]和双(2-氨基-4,6-二甲基嘧啶鎓)四水合钴酸(II)一水合物[2(C _6H _(10)N _3〜 +)]合成了CoCl _4 H _2O并通过X射线衍射分析和光谱研究对其进行了表征。在化合物1中,锌周围的配位几何结构是扭曲的四面体,Zn与硫氰酸根阴离子的四个N原子键合。在化合物2中,阴离子[CoCl _4]〜(2-)显示出理想的四面体几何形状的畸变。 2-氨基-4,6-二甲基嘧啶阳离子不直接配位至锌/钴,而是氢键合至硫氰酸根/氯离子。在这两种化合物中,质子化的氮原子N1和2-氨基均通过N-H2O和N-H2Cl氢键与硝基/氯离子/水分子氢键形成R _2〜2(8)图案。在这两种化合物中,嘧啶阳离子也通过一对涉及氨基和未质子化的环N原子的N-H→N氢键形成碱基对。晶体结构通过N-H 2 S,O-H 2 O,C-H 2 O和C-H 2 Cl氢键进一步稳定。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号