Selective transformation pathways between crystalline forms of an organic material established from powder X-ray diffraction analysis.
The methanol solvate crystalline phase (M) of benzene-1,2,4,5-tetracarboxylic acid transforms selectively to a hydrate phase (H) or a non-solvate phase (N) depending on the presence of atmospheric water vapour; knowledge of the crystal structures of M and N, determined here using single-crystal and powder X-ray diffraction, respectively, yields insights into mechanistic aspects of the solid-state transformations.
Fujii
Kotaro
K
Department of Chemistry and Materials Science, Tokyo Institute of Technology, Ookayama 2-12-1, Meguro-ku, Tokyo, 152-8551, Japan.
Ashida
Yasunari
Y
Uekusa
Hidehiro
H
Guo
Fang
F
Harris
Kenneth D M
KD