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Synthesis, Characterization and X-Ray Structure of a Ba(II)/Ag(I)/Cr(III)-Oxalate Salt with Water-Filled Nanochannels
Inorganic Chemistry Department, Faculty of Science, University of Yaounde 1, Yaounde, Cameroon
Inorganic Chemistry Department, Faculty of Science, University of Yaounde 1, Yaounde, Cameroon
Chemistry Department, Higher Teacher Training College, University of Maroua, Maroua, Cameroon
Chemistry Department, Higher Teacher Training College, University of Yaounde 1, Yaounde, Cameroon
Inorganic Chemistry Department, Faculty of Science, University of Yaounde 1, Yaounde, Cameroon
- 1 Inorganic Chemistry Department, Faculty of Science, University of Yaounde 1, Yaounde, Cameroon
- 2 Inorganic Chemistry Department, Faculty of Science, University of Yaounde 1, Yaounde, Cameroon
- 3 Chemistry Department, Higher Teacher Training College, University of Maroua, Maroua, Cameroon
- 4 Chemistry Department, Higher Teacher Training College, University of Yaounde 1, Yaounde, Cameroon
- 5 Inorganic Chemistry Department, Faculty of Science, University of Yaounde 1, Yaounde, Cameroon
American Journal of Analytical Chemistry·Volume 07 (2016)·Pages 99–106·Published 15 January 2016·DOI10.4236/ajac.2016.71010
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Abstract
A novel mixed barium(II)/silver(I)/chromium(III) oxalate salt, Ba 0.5 Ag 2 [Cr(C 2 O 4 ) 3 ]·5H 2 O (1), with open architecture has been synthesized in water and characterized by elemental analysis, vibrational and electronic spectra, and single crystal X-ray structure determination. Compound 1 crystallizes in a monoclinic space group C2/c, with unit cell parameters a = 18.179(3), b = 14.743(2), c = 12.278(2)Å, β = 113.821(3), V = 3010.34(90) Å 3 , Z = 8. The structure is characterized by a network of anionic [Cr(C 2 O 4 ) 3 ] 3- units connected through the O atoms of the oxalates to Ba 2+ and Ag + sites, forming a three-dimensional coordination polymer with one-dimensional isolated nanochannels parallel to the c axis, and encapsulating hydrogen-bonded guest water molecules. The bulk structure is consolidated by O–H···O bridgings within the nanochannels and by coulombic interactions.
KeywordsCrystal StructureChromium(III) ComplexNanochannelsCoordination PolymerGuest-Water Molecules
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