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Stable and metastable solid phases of dicyclopropylacetylene

Mohaček Grošev, Vlasta; Furić, Krešimir; Dakkouri, Marwan; Grosser, Martin (1992) Stable and metastable solid phases of dicyclopropylacetylene. The Journal of physical chemistry, 96 (26). pp. 11042-11047. ISSN 0022-3654

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Abstract

Different solid phases of dicyclopropylacetylene are studied for the first time using low-temperature Raman spectroscopy. Dicyclopropylacetylene (C8H10) appears in three solid phases and one mesomorphic phase. Besides three independent well-defined crystalline phases (I1, I2, II), on certain conditions a mixture of phases whose composition is not quite clear also exists. Between crystalline phases I1 and I2 a phase transition around 115 K is observed. The mesomorphic phase (I) which exists in the narrow temperature interval below the melting point (214 K) is assumed to be a glassy one.

Item Type: Article
Additional Information: This document is the Accepted Manuscript version of a Published Work that appeared in final form in The Journal of physical chemistry, copyright American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://pubs.acs.org/doi/abs/10.1021/j100205a078
Uncontrolled Keywords: diciclopropylacetylene; Raman; low temperature; polycrystalline solid; metastable phase; phase transition; internal rotation
Subjects: NATURAL SCIENCES > Chemistry
NATURAL SCIENCES > Chemistry > Physical Chemistry
Divisions: Division of Materials Physics
Projects:
Project titleProject leaderProject codeProject type
Vibrational phenomena and interactions in condensed matterKrešimir Furić1-03-066MZOS
Depositing User: Vlasta Mohaček Grošev
Date Deposited: 20 Dec 2013 10:54
Last Modified: 16 Jan 2015 09:38
URI: http://fulir.irb.hr/id/eprint/1215
DOI: 10.1021/j100205a078

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