The Lone-Pair Stereochemistry and Its Effect on Supramolecular Interaction of Dinuclear Pb(II) Dicarboxylate Compound With 2,6-Bis(benzimidazolyl)pyridine

A dinuclear Pb(II) dicarboxylate compound with 2,6-bis(benzimidazolyl)pyridine has been synthesized under hydrothermal condition. Single-crystal X-ray diffraction analysis shows that the arrangement of the half deprotonated H 2 bbp ligand and carboxylate groups displays a coordination gap around the...

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Published in:Synthesis and reactivity in inorganic, metal-organic, and nano-metal chemistry metal-organic, and nano-metal chemistry, 2016-09, Vol.46 (9), p.1376-1380
Main Authors: Yang, Yan, Li, Chang-Gui, Luo, Xu-Jian, Luo, Zhi-Hui, Liu, Rong-Jun, Jiang, Yue-Xiu, Liang, Wei-Jiang
Format: Article
Language:English
Subjects:
Diffraction
Displays
fluorescence
Hydrogen bonds
Ligands
lone pair
Nanostructure
Pb(II) complex
Photoluminescence
Stereochemistry
X-rays
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Summary:A dinuclear Pb(II) dicarboxylate compound with 2,6-bis(benzimidazolyl)pyridine has been synthesized under hydrothermal condition. Single-crystal X-ray diffraction analysis shows that the arrangement of the half deprotonated H 2 bbp ligand and carboxylate groups displays a coordination gap around the Pb(II) ion, occupied possibly by a stereoactive lone pair of electrons on Pb(II) ion, the coordination environment around the lead atoms being hemidirected. The coordination sphere of a unique dinuclear Pb(II) complex is controlled by lone pair activity, weak Pb···O interactions, π-π interaction, and the hydrogen bond. Strong bathochromic shift effect on the solution and solid-state photoluminescence of complex is influenced by the above weak interactions. CCDC: 841895.
ISSN:1553-3174
1553-3182
DOI:10.1080/15533174.2015.1069848