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Discovery of High-Pressure Polymorphs for a Typical Polymorphic System: Oxalyl Dihydrazide
Tan, X; Wang, K; Yan, TT; Li, XD; Liu, J; Yang, K; Liu, BB; Zou, GT; Zou, B; Li XD(李晓东); Liu J(刘景)
2015
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume119Issue:19Pages:10178-10188
SubtypeArticle
AbstractThe variation of pressure is an effective experimental technique to explore new polymorphs of organic crystals. At ambient condition, oxalyl dihydrazide (C2N4O2H6, ODH) exhibits five polymorphs: alpha, beta, delta, gamma, and epsilon. Here we report the high-pressure response of the existed five forms of ODH by in situ Raman spectroscopy and synchrotron X-ray diffraction techniques with a pressure of about 20 GPa. High-pressure experimental results show that all five polymorphs undergo phase transitions to new phases at different pressures, respectively. We propose that the special molecular conformation yields several geometric constructions for hydrogen-bonding arrangements. The detailed mechanisms of the phase transition and the high-pressure behaviors of the polymorphs are analyzed by considering molecular stacking.
Subject AreaChemistry; Science & Technology - Other Topics; Materials Science
DOI10.1021/jp512035s
Indexed BySCI ; EI
Language英语
WOS Research AreaChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS SubjectChemistry ; Science & Technology - Other Topics ; Materials Science
WOS IDWOS:000354912200002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/228488
Collection多学科研究中心
Recommended Citation
GB/T 7714
Tan, X,Wang, K,Yan, TT,et al. Discovery of High-Pressure Polymorphs for a Typical Polymorphic System: Oxalyl Dihydrazide[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2015,119(19):10178-10188.
APA Tan, X.,Wang, K.,Yan, TT.,Li, XD.,Liu, J.,...&刘景.(2015).Discovery of High-Pressure Polymorphs for a Typical Polymorphic System: Oxalyl Dihydrazide.JOURNAL OF PHYSICAL CHEMISTRY C,119(19),10178-10188.
MLA Tan, X,et al."Discovery of High-Pressure Polymorphs for a Typical Polymorphic System: Oxalyl Dihydrazide".JOURNAL OF PHYSICAL CHEMISTRY C 119.19(2015):10178-10188.
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