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Title of Journal: Struct Chem

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Abbravation: Structural Chemistry

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Springer US

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DOI

10.1002/prac.18671010140

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ISSN

1572-9001

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Crystal structure IRLD spectroscopic theoretica

Authors: Tsonko Kolev Bojidarka B Koleva Emiliya Cherneva Michael Spiteller Manuela V Winter William S Sheldrick Heike MayerFigge
Publish Date: 2006/07/25
Volume: 17, Issue: 5, Pages: 491-499
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Abstract

Valinamide ester amide of squaric acid has been synthesized and structurally characterized by single crystal Xray diffraction Individual molecules are linked into zigzag helix chains running parallel to 0 1 0 by N–H ⋯ O hydrogen bonds of length 2790819 Å and 29802 Å involving the valinamide nitrogen atoms and the amide carbonyl oxygen atom An experimental IR spectroscopic characterization and theoretical vibrational analysis have also been performed using the possibilities of polarized lineardichroic IRspectroscopy IRLD based on an orientation technique of the molecules as a suspension in a nematic liquid crystal

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