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Journal of Chemical Crystallography

, Volume 42, Issue 5, pp 450–454 | Cite as

Two New Salts Based on Bis(1,2,5-thiadiazole-3,4-dithiolate)nickelate Anion with Substituted Benzyl 4-ethylpyridinium: Syntheses, Crystal Structures and Properties

  • Jin-Fang Liu
  • Jun Tian
  • Wei-Qiang Chen
  • Li-Bo Liang
  • Lin-Liang Yu
  • Le-Min Yang
  • Jia-Rong Zhou
  • Chun-Lin Ni
Original Paper

Abstract

Two new salts based on [Ni(tdas)2]2− (tdas2− = 1,2,5-thiadiazole-3,4-dithiolate) anion, [Bz4EtPy]2[Ni(tdas)2] (1) and [4ClBz4EtPy]2[Ni(tdas)2] (2), have been prepared by reaction of Na2tdas, NiCl2·6H2O, and [Bz4EtPy]Br ([Bz4EtPy]+ = 1-benzyl-4-ethylpyridinium) or [4ClBz4EtPy]Br ([4ClBz4EtPy]+ = 1-(4′-chlorobenzyl)-4-ethylpyridinium), and characterized by elemental analyses, UV, IR, MS spectrum, molar conductivity and single crystal X-ray diffraction. Single-crystal X-ray diffraction analyses indicate that the two salts crystallize in a triclinic system with space group P−1. The unit cell contains two [Bz4EtPy]+/[4ClBz4EtPy]+ and one [Ni(tdas)2]2− anion in which the anion exhibits a quasi-planar structure. The crystals of 1 and 2 are stabilized through C–H···S and C–H···Ni hydrogen bonds, π···π stacking interactions and S···Cl short interactions.

Graphical Abstract

In two new salts based on [Ni(tdas)2]2− (tdas2− = 1,2,5-thiadiazole-3,4-dithiolate) anion, [Bz4EtPy]2[Ni(tdas)2] (1) and [4ClBz4EtPy]2[Ni(tdas)2] (2), the unit cell contains two cations and one [Ni(tdas)2]2− anion, and C–H···S and C–H···Ni hydrogen bonds, π···π stacking interactions and S···Cl short interactions are founded.

Keywords

Bis(1,2,5-thiadiazole-3,4-dithiolate)nickelate anion Substituted benzyl-4-ethylpyridinium Crystal structures Weak interactions 

Notes

Acknowledgments

This work has been supported by the Science and Technology Project (No. 2010B080701002, 2011B080701026) from Guangdong Science, the key Academic Program of the 3rd phase “211 Project” (No. 2009B010100001) of South China Agricultural University and the Guangdong Natural Science Foundation (No. 10151064201000022).

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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Jin-Fang Liu
    • 1
  • Jun Tian
    • 1
  • Wei-Qiang Chen
    • 1
  • Li-Bo Liang
    • 1
  • Lin-Liang Yu
    • 1
  • Le-Min Yang
    • 1
  • Jia-Rong Zhou
    • 1
  • Chun-Lin Ni
    • 1
  1. 1.Department of Applied Chemistry, Institute of Biomaterial, College of ScienceSouth China Agricultural UniversityGuangzhouPeople’s Republic of China

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