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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
发表期刊JOURNAL OF PHYSICAL CHEMISTRY C
卷号119期号:19页码:10178-10188
文章类型Article
摘要The 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.
学科领域Chemistry; Science & Technology - Other Topics; Materials Science
DOI10.1021/jp512035s
收录类别SCI ; EI
WOS类目Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS记录号WOS:000354912200002
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228488
专题多学科研究中心
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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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