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A definition of coordination and its relevance in the structure types AlB2and NiAs

โœ Scribed by Brunner, G. O.


Book ID
114522141
Publisher
International Union of Crystallography
Year
1977
Weight
257 KB
Volume
33
Category
Article
ISSN
0567-7394

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Crystal structure of a tripeptide, L-ala
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## Abstract A tripeptide molecule, Lโ€alanylโ€glycylโ€glycine, crystallizes in the form of a leftโ€handed helix with (ฯ•,ฯˆ) = โˆ’83ยฐ, 170ยฐ. A pseudohexagonal packing arrangement and interchain hydrogenโ€bonded interactions are reminiscent of the model for the structure of poly(glycine)โ€II. Observations of