Two yttrium(III) coordination compounds containing a3-ptz or atza [a3-ptz = 5-[N-acetato(3-pyridyl)]tetrazole; atza = 5-aminotetrazole-1-acetato]

Abstract

Two yttrium(III) coordination compounds, [Y(a3-ptz)₂(H₂O)₅]Cl · 4H₂O (1) and [Y(atza)₂(H₂O)₂(CH₃OH)]Cl (2) [a3-ptz = 5-[N-acetato(3-pyridyl)]tetrazole; atza = 5-aminotetrazole-1-acetato], have been synthesized. Single-crystal X-ray diffraction analysis reveals that 1 has a distorted monocapped square-antiprism coordination geometry around Y^III. Complex 2 is a distorted pentagonal bipyramid with coordination from four atza ligands, two waters, and one methanol; the coordination of atza in 2 leads to its 1-D polymeric chain structure. 1 and 2 are self-assembled to form 3-D supramolecular structures through hydrogen bonds. The luminescence properties of 1 and Ka3-ptz were investigated at room temperature in the solid state.

Keywords:

• Yttrium(III)
• Crystal structures
• 5-[N-acetato(3-pyridyl)]tetrazole
• 5-Aminotetrazole-1-acetato

Acknowledgments

We greatly appreciate financial support from the Foundation of Suzhou Science and Technology of Jiangsu Province of China (SYN201015), Key Laboratory of Advanced Functional Materials of Jiangsu Province of China (No. 10KFJJ002), and the start-up grant from CSLG (No. KY2009069).