CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
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
2015
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
Volume119Issue:19Pages:10178—10188
Subtype期刊文献
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.
KeywordHydrogen-bonded Solids Infrared-spectra Crystal Exploration Raman Paracetamol Acid Urea Dft
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24431
Collection中科院上海应用物理研究所2011-2019年
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.,...&Zou, B.(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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