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Infrared spectrum of formamide in the solid phase

Sivaraman, B.; Sekhar, B. N. Raja; Nair, B. G.; Hatode, V. and Mason, N. J. (2013). Infrared spectrum of formamide in the solid phase. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 105 pp. 238–244.

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Infrared spectra of solid formamide are reported as a function of temperature. Solid formamide samples were prepared at 30 K and then annealed to higher temperatures (300 K) with infrared transmission spectra being recorded over the entire temperature range. The NH2 vibrations of the formamide molecule were found to be particularly very sensitive to temperature change. The IR spectra revealed a phase change occurring in solid formamide between 155 and 165 K. Spectral changes observed above and below the phase transition may be attributed to a rearrangement between formamide dimers and the formation of polymers is proposed at higher temperatures.

Item Type: Journal Item
Copyright Holders: 2012 Elsevier B.V.
ISSN: 1386-1425
Keywords: infrared spectroscopy; astrochemical ices; solid formamide; ice morphology; temperature effect; formamide dimers
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Research Group: Physics
Item ID: 36298
Depositing User: Astrid Peterkin
Date Deposited: 23 Jan 2013 16:50
Last Modified: 13 Jun 2020 01:15
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