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The ordered hydrocerussite-type structure of (PbCO3)2.BaF2
1Institute for Chemical Technologies and Analytics, Division of Structural Chemistry, Vienna University of Technology, Getreidemarkt 9/164-SC, A-1060 Vienna, Austria. mweil@mail.zserv.tuwien.ac.at
Acta Crystallographica. Section C, Crystal Structure Communications
|September 3, 2002
Summary
Hydrothermal synthesis yielded single crystals of bis[lead(II) carbonate] barium difluoride. This new barium fluoride compound exhibits an ordered hydrocerussite structure with unique metal atom packing and coordination environments.
Area of Science:
- Inorganic Chemistry
- Crystal Growth
- Materials Science
Background:
- Hydrothermal synthesis is a key method for growing single crystals of inorganic compounds.
- Understanding crystal structures provides insights into material properties.
Purpose of the Study:
- To synthesize single crystals of bis[lead(II) carbonate] barium difluoride using hydrothermal conditions.
- To determine the crystal structure and coordination chemistry of the synthesized compound.
Main Methods:
- Hydrothermal crystal growth.
- X-ray diffraction analysis to determine crystal structure.
Main Results:
- Single crystals of (PbCO(3))(2).BaF(2) were successfully grown.
- The compound crystallizes in an ordered hydrocerussite structure.
- Detailed analysis of the [BaF(6)O(6)] icosahedron and [1+6+3]-coordinate Pb atom coordination was performed.
Conclusions:
- The synthesized barium fluoride compound adopts a novel structure related to hydrocerussite.
- The crystal packing and coordination geometry offer insights into the bonding characteristics of lead, barium, fluorine, and carbonate ions.