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Seven-Coordinated Diaquasuccinatocadmium(II) Bidimensional Polymer: Crystal Structure and Vibrational and Thermal Behavior

โœ Scribed by E.V. Brusau; J.C. Pedregosa; G.E. Narda; G. Echeverria; G. Punte

Book ID
102606735
Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
200 KB
Volume
153
Category
Article
ISSN
0022-4596

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โœฆ Synopsis

Diaquasuccinatocadmium(II) has been studied by single-crystal X-ray di4raction and FTIR and Raman spectroscopies at room temperature. The structure consists of seven-coordinated Cd atoms bridged by succinate ions to form two-dimensional polymers perpendicular to the b axis. Hydrogen bonds embracing one of the coordination water molecule and a carboxylate residue stabilize the three-dimensional structure. The spectroscopic data are consistent with the structural model. Thermal dehydration and decomposition processes have been also investigated using TG+DTA measurements, FTIR spectroscopy, and powder Xray di4raction analysis. A phase transition of the amorphous anhydrous compound to a stable crystalline phase was observed at 2623C.

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โœ Jun Tao; Xin Yin; Yun-Bao Jiang; Le-Fu Yang; Rong-Bin Huang; Lan-Sun Zheng ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 188 KB ๐Ÿ‘ 2 views

## Abstract Two novel zinc(II) coordination polymers, [Zn~3~(ฮผ~3~โ€OH)~2~(nip)~2~] (1) and [Zn~2~(nip)~2~(4,4โ€ฒโ€bpy)~3~ยท(OH~2~)] (2) (H~2~nip = 5โ€nitroisophthalic acid, 4,4โ€ฒโ€bpy = 4,4โ€ฒโ€bipyridyl), were obtained by the hydrothermal reactions of zinc nitrate, 5โ€nitroisophthalate (nip) (for 1) and zinc