scholarly journals Crystal structures and Hirshfeld surface analyses of (E)-N′-benzylidene-2-oxo-2H-chromene-3-carbohydrazide and the disordered hemi-DMSO solvate of (E)-2-oxo-N′-(3,4,5-trimethoxybenzylidene)-2H-chromene-3-carbohydrazide: lattice energy and intermolecular interaction energy calculations for the former. Corrigendum

2019 ◽  
Vol 75 (12) ◽  
pp. 1952-1952
Author(s):  
Ligia R. Gomes ◽  
John Nicolson Low ◽  
James L. Wardell ◽  
Camila Capelini ◽  
José Daniel Figueroa Villar ◽  
...  

In the paper by Gomes et al. [Acta Cryst. (2019), E75, 1403–1410], there was an error and omission in the author and affiliation list.

2019 ◽  
Vol 75 (10) ◽  
pp. 1403-1410 ◽  
Author(s):  
Ligia R. Gomes ◽  
John Nicolson Low ◽  
James L. Wardell ◽  
Camiola Capelini ◽  
Vitoria R.F. Câmara ◽  
...  

The crystal structures of the disordered hemi-DMSO solvate of (E)-2-oxo-N′-(3,4,5-trimethoxybenzylidene)-2H-chromene-3-carbohydrazide, C20H18N2O6·0.5C2H6OS, and (E)-N′-benzylidene-2-oxo-2H-chromene-3-carbohydrazide, C17H12N2O3 (4: R = C6H5), are discussed. The non-hydrogen atoms in compound [4: R = (3,4,5-MeO)3C6H2)] exhibit a distinct curvature, while those in compound, (4: R = C6H5), are essential coplanar. In (4: R = C6H5), C—H...O and π–π intramolecular interactions combine to form a three-dimensional array. A three-dimensional array is also found for the hemi-DMSO solvate of [4: R = (3,4,5-MeO)3C6H2], in which the molecules of coumarin are linked by C—H...O and C—H...π interactions, and form tubes into which the DMSO molecules are cocooned. Hirshfeld surface analyses of both compounds are reported, as are the lattice energy and intermolecular interaction energy calculations of compound (4: R = C6H5).


2021 ◽  
Vol 154 (13) ◽  
pp. 134106
Author(s):  
Katarzyna Madajczyk ◽  
Piotr S. Żuchowski ◽  
Filip Brzȩk ◽  
Łukasz Rajchel ◽  
Dariusz Kȩdziera ◽  
...  

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