Complete disappearance of the phonon spectrum of thiophene has been observed near the melting point. This is related to disorder of all molecular orientations in crystal. The phonon spectra of phenanthrene, anthracene and p-dichlorobenzene (β-modification) have not indicated preferable disappearance of...
the presence of pigments which could be spread in the usual way on fabric: castor oil modified by: ammonium iodide, ammonium chloride, benzidine base, lithi- g5 um sulphite plus carbolic acid, 2:5-dichlorobenzene sulphonic acid, barium thiocyanate plus p-cresol, lithium carbonate plus p-...
The lowest melting point of 1,3-dibromobenzene correlates with its two symmetry-independent molecules, indicating their inability to pack closely. Single crystals of 1,2- and 1,3-dibromobenzene have been grown under isochoric conditions in a diamond-anvil cell and at isobaric conditions in a ...