African Journal of
Pure and Applied Chemistry

  • Abbreviation: Afr. J. Pure Appl. Chem.
  • Language: English
  • ISSN: 1996-0840
  • DOI: 10.5897/AJPAC
  • Start Year: 2007
  • Published Articles: 368

Full Length Research Paper

Molecular complex piperidine-CO2

Huiming Jiang1,2*, Shufen Zhang1 and Yingmei Xu2
1State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, Liaoning, China. 2Department of Chemical Engineering, College of Life Science, Dalian Nationalities University, Dalian 116600, Liaoning, China
Email: [email protected]

  •  Accepted: 05 June 2009
  •  Published: 31 July 2009

Abstract

Piperidine absorbs CO2 in air to form the molecular complex: piperidinium-1-piperidinecarboxylate which was characterized by X-ray single crystal diffraction. The crystal structure was determined to be triclinic, space group P - 1 with a = 6.403(3) Å, b = 9.437(5) Å, c = 9.928(5) Å, ï¡ = 104.90(4)°, ï¢ = 102.35(4)°, g = 94.63(4)°, Z = 2. The complex is stabilized via hydrogen bonds and electrostatic attraction. The mechanism of formation and stabilization is investigated.

 

Key words: Piperidine; molecular complex, single crystal, hydrogen bond, electrostatic attraction.

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