Polymorphs and Hydrates of Apatinib Mesylate: Insight into the Crystal Structures, Properties, and Phase Transformations

2016 ◽  
Vol 16 (11) ◽  
pp. 6537-6546 ◽  
Author(s):  
Bin Zhu ◽  
Jian-Rong Wang ◽  
Guobin Ren ◽  
Xuefeng Mei
CrystEngComm ◽  
2019 ◽  
Vol 21 (44) ◽  
pp. 6838-6849
Author(s):  
Zhonghua Li ◽  
Lina Jia ◽  
Peng Shi ◽  
Shuang Jiang ◽  
Junbo Gong ◽  
...  

The crystal structures of six solid forms of boscalid were reported for the first time and the transformation relationship between different phases was explored in detail.


1956 ◽  
Vol 11 (11) ◽  
pp. 920-934b
Author(s):  
Konrad Schubert

In determining structures we use physical propositions in order to find a likely crystal structure. The same propositions are of value for the ordering of known structures into a natural system. The atomic radii form such a proposition. Another proposition is contained in the spatial correlation of electrons in the electron gas. The question is, whether this correlation is of influence on the crystal structure or not. To gain a first insight into this question, it is useful to know whether the crystal structures are physically compatible with a certain spatial correlation of electrons. Some qualitative rules are given to assess the physical possibility of a spatial correlation of electrons in a crystal structure. For the crystal structures of some chemical elements proposals for electron correlation are given. These proposals account for rationalities existing between some lattice constants, e. g. the axial ratios of the hexagonal close packed structures of Co and Zn. The proposals are also applicable to some binary compounds. With regard to these commensurabilities, it seems possible that the examination of the spatial correlation of electrons may lead to a better understanding of the crystal-chemical empiry.


2018 ◽  
Vol 9 (1) ◽  
Author(s):  
Wataru Shihoya ◽  
Tamaki Izume ◽  
Asuka Inoue ◽  
Keitaro Yamashita ◽  
Francois Marie Ngako Kadji ◽  
...  

2017 ◽  
Vol 5 (40) ◽  
pp. 21536-21541 ◽  
Author(s):  
Chek-Hai Lim ◽  
Baskar Selvaraj ◽  
Yen-Fang Song ◽  
Chun-Chieh Wang ◽  
Jian-Ting Jin ◽  
...  

In operando synchrotron X-ray analyses reveal unique delayed phase transformation and particle fracturing processes of a Bi anode for Na-ion batteries.


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