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ChemInform Abstract: Synthesis and Crystal Structure of Al3BC, the First Boridecarbide of Aluminum.

✍ Scribed by F. D. MEYER; H. HILLEBRECHT


Publisher
John Wiley and Sons
Year
2010
Weight
28 KB
Volume
28
Category
Article
ISSN
0931-7597

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✦ Synopsis


Synthesis and Crystal Structure of Al3BC, the First Boridecarbide of Aluminum.

-Single crystals of the title compound are prepared by reacting pressed pellets of the elements at 850 β€’ C (argon, 160 h, corundum crucible). The compound crystallizes in the hexagonal space group P63/ mmc with Z = 2. The structure of Al3BC consists of a close packing of Al (sequence ABACBC) with alternating layers of edge-sharing BAl6 octahedra and trigonal CAl5 bipyramids linked via common corners.


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Synthesis, Structure, and Vibrational Spectra of Al3BC3, an Aluminum Carbide Carboborate with the Linear Anion (C=B=C)5-. -Light-yellow transparent crystals of Al3BC3 are obtained by reaction of the elements at 1500 β€’ C. The structure (trigonal, P3c1, Z = 6) consists of Al5C bipyramids which are li