Synthesis, crystal structure and thermodynamic properties of the compound | [Journal of Chemical Society of Pakistan • 2011]

Author(s):

1. Dong Hua HE: College of Chemistry & Chemical Engineering, Liaocheng University, Liaocheng, CHINA

2. Jing Tao CHEN: College of Chemistry & Chemical Engineering, Liaocheng University, Liaocheng, CHINA Department of Chemistry, Shaanxi Educational College, Xi’an, Shaanxi, 710061, China

3. You Ying DI: College of Chemistry & Chemical Engineering, Liaocheng University, Liaocheng, CHINA

4. Zhen Ping CHEN: College of Chemistry & Chemical Engineering, Liaocheng University, Liaocheng, CHINA

5. Da Qi WANG: College of Chemistry & Chemical Engineering, Liaocheng University, Liaocheng, CHINA

6. Wen Yan DAN: College of Chemistry & Chemical Engineering, Liaocheng University, Liaocheng, CHINA

Abstract:

A novel complex (C10H16NO)2CdCl4•C10H16NOCl•H2O(s) was synthesized by the method of liquid phase reflux synthesis. FTIR, chemical and elemental analysis, and X-ray crystallography were applied to characterize the crystal structure and composition of the complex. The crystal structure of the complex belongs to triclinic system with space group P1 and cell parameters a=0.55703(6) nm, b=1.39937(15) nm, c=1.40559(16) nm; a =117.819(2)°, b =98.8510(10)°, g =96.5770(10)°, respectively. The compound is a salt, which consists of three [C10H16NO]+ cations, a [CdCl4]2- anion, a Cl- anion and a water molecule. On account of electrostatic attraction and four types of intramolecular hydrogen bonds an infinite network supermolecule is formed. Low-temperature heat capacities of the compound were measured by a precise automated adiabatic calorimeter over the temperature range from 78 to 365 K. A polynomial equation of heat capacities against the temperature in the region of (78—365) K was fitted by least square method. Based on the fitted polynomial equation, the smoothed heat capacities and thermodynamic functions of the compound relative to the standard reference temperature 298.15 K were calculated at intervals of 5 K.

Page(s): 333-338

DOI: DOI not available

Published: Journal: Journal of Chemical Society of Pakistan, Volume: 33, Issue: 3, Year: 2011

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