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Published on: December 29, 2016
A new polymorph of Cu(3)B(2)O(6).
Natalia V Kuratieva1, Daria Mikhailova, Helmut Ehrenberg
1Nikolaev Institute of Inorganic Chemistry, SB Russian Academy of Sciences, Akademician Lavrentiev Prospekt 3, Novosibirsk 90, 630090, Russian Federation.
Acta Crystallographica. Section C, Crystal Structure Communications
|November 7, 2009
Summary
Researchers discovered a new crystal form of copper(II) bis(orthoborate) bis(hexaoxodiborate), Cu(3)B(2)O(6). This pseudo-layered monoclinic structure differs from the triclinic form, featuring unique layer linkages.
Area of Science:
- Materials Science
- Crystallography
- Inorganic Chemistry
Background:
- Copper borates are compounds with diverse structures and properties.
- Understanding different polymorphs is crucial for materials development.
- The Li-Cu-B-O system is of interest for novel material synthesis.
Purpose of the Study:
- To synthesize and characterize a new polymorph of nonacopper(II) bis(orthoborate) bis(hexaoxodiborate), Cu(9)(BO(3))(2)(B(2)O(6))(2).
- To elucidate the crystal structure and compare it with known forms.
Main Methods:
- Single-crystal X-ray diffraction was used to determine the crystal structure.
- The compound was synthesized within the Li-Cu-B-O system.
Main Results:
- A new polymorph of Cu(3)B(2)O(6) with Z'=3 was identified.
- The structure exhibits a pseudo-layered monoclinic arrangement.
- Key structural units include BO(3) triangles and B(2)O(6) units.
- Layers are interconnected by BO(4) tetrahedra, distinguishing it from the triclinic form.
Conclusions:
- The discovery of this new monoclinic polymorph expands the known structural diversity of copper borates.
- The unique layer linkage mediated by BO(4) tetrahedra offers insights into structure-property relationships.
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