Magnesium(II), Calcium(II), and Barium(II) Coordination Compounds Constructed by 1H-Tetrazolate-5-acetic Acid Ligand

Reactions of H2tza (H2tza = 1H‐tetrazolate‐5‐acetic acid) with Mg(NO3)2·6H2O, Ca(NO3)2·4H2O, or Ba(NO3)2 with the presence of KOH under hydrothermal conditions, produced three new coordination compounds, [M(tza)(H2O)2] (M = Mg (1), Ca (2), Ba (3)). These compounds were structurally characterized by...

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Bibliographic Details
Published in:Zeitschrift für anorganische und allgemeine Chemie (1950) 2012-04, Vol.638 (5), p.826-831
Main Authors: Li, Qiao-Yun, Yang, Gao-Wen, Shen, Lei, He, Ming-Hua, Shen, Wei, Gu, Kun, Jin, Jian-Ning
Format: Article
Language:English
Subjects:
Coordination compounds
Crystal structure
H2tza
Luminescence
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Summary:Reactions of H2tza (H2tza = 1H‐tetrazolate‐5‐acetic acid) with Mg(NO3)2·6H2O, Ca(NO3)2·4H2O, or Ba(NO3)2 with the presence of KOH under hydrothermal conditions, produced three new coordination compounds, [M(tza)(H2O)2] (M = Mg (1), Ca (2), Ba (3)). These compounds were structurally characterized by elemental analysis, IR spectroscopy, and single‐crystal X‐ray diffraction. Compounds 1 and 3 display 2D structures, whereas 2 reveals a 1D structure with bridging tza ligand molecules as linkers. Furthermore, the luminescence properties of 1–3 at room temperature in the solid state were also investigated. The results show that the nature of metal ions play an important role in governing the molecular frameworks of 1–3, and the strong coordinate abilities of carboxylate and tetrazolate group, endow tza with abundant coordination modes.
ISSN:0044-2313
1521-3749
DOI:10.1002/zaac.201100514