Crystal Structures of Potentially Mesomorphic Alkyloxy-Substituted 4-Nitrobenzene Derivatives (Alk–O–C6H4–NO2, Alk = С4Н9, С10Н21, С12Н25)

Autor:	Kuz'mina, L. G., Bezzubov, S. I., Navasardyan, M. A.
Předmět:	CRYSTAL structure DIFFERENTIAL scanning calorimetry X-ray diffraction FUNCTIONAL groups
Zdroj:	Crystallography Reports; Apr2022, Vol. 67 Issue 2, p193-200, 8p
Abstrakt:	Three 4-alkyloxy-substituted nitrobenzene derivatives with Alk = С4Н9 (I), С10Н21 (II), and С12Н25 (III) were studied by X-ray diffraction and differential scanning calorimetry (DSC). For compound II, the X-ray diffraction data sets were collected at different temperatures (150, 303, 308, and 310 K). According to the DSC data, all three compounds exhibit no mesomorphism, either enantiotropic or monotropic. The crystal packing of I is not typical of mesomorphic compounds. In the crystal structures of II and III, there are no weak directional interactions between functional groups of the molecules, which could ensure the structuring of the melt. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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