Related Experiment Video
Updated: Aug 15, 2026

Construction and Systematical Symmetric Studies of a Series of Supramolecular Clusters with Binary or Ternary Ammonium Triphenylacetates
Published on: February 15, 2016
Crystal structure and Hirshfeld surface analysis of (E)-N'-[4-(piperidin-1-yl)benzyl-idene]aryl-sulfono-hydrazides
Nikhila Pai1, Sabine Foro2, B Thimme Gowda1,3
1Department of Chemistry, Mangalore University, Mangalagangotri-574 199, Mangalore, India.
Abstract:
The crystal structures and Hirshfeld surface analyses of three Schiff bases, namely (E)-N'-[4-(piperidin-1-yl)benzyl-idene]benzene-sulfono-hydrazide, C18H21N3O2S, (I), (E)-4-methyl-N'-[4-(piperidin-1-yl)benzyl-idene]benzene-sulfono-hydrazide, C19H23N3O2S, (II), and (E)-4-chloro-N'-[4-(piperidin-1-yl)benzyl-idene]benzene-sulfono-hydrazide, C18H20ClN3O2S, (III), derived from aryl-sulfono-hydrazides and 4-(piperidin-4-yl)benzaldehyde have been analysed to investigate the effect of substituents on the structural parameters. All three structures crystallize in monoclinic crystal systems, in the space groups P21/c for (I) and (II), and C2/c for (III). Compound (III) contains two independent mol-ecules in the asymmetric unit and sixteen mol-ecules per unit cell, while (I) and (II) both have one and four mol-ecules, respectively, in their asymmetric units and unit cells. In all cases, the central part of the mol-ecule is twisted at the S atom. In the crystals, the mol-ecules are linked via N-H⋯O hydrogen bonds, forming chains. Two-dimensional fingerprint plots of various inter-atomic contacts show that the major contributions are from H⋯H inter-actions.
More Related Videos
Related Concept Videos
Chirality at Nitrogen, Phosphorus, and Sulfur
A consequence of chirality is the need for enantiomeric resolution. While this is theoretically possible for all...
Structures of Carboxylic Acid Derivatives
Carboxylic acid derivatives contain an acyl group attached to a heteroatom such as chlorine, oxygen, or nitrogen. The carbonyl carbon and oxygen are both sp2-hybridized with an unhybridized p orbital.
The three sp2 orbitals of the carbonyl carbon form three σ bonds, one each with the carbonyl oxygen, the α carbon, and the heteroatom, whereas the other two sp2 orbitals of the carbonyl oxygen are occupied by the lone pairs. Further, the unhybridized p...
Aromatic Hydrocarbon Anions: Structural Overview
Due to the absence of continuous overlap of p...
Structure of Amines
Basicity of Heterocyclic Aromatic Amines
Aromatic Hydrocarbon Cations: Structural Overview
Removing one hydrogen from the intervening CH2 group with both...

