Related Experiment Video
Updated: May 27, 2026

Synthesis of Terpolymers at Mild Temperatures Using Dynamic Sulfur Bonds in Poly(S-Divinylbenzene)
Published on: May 20, 2019
N,N'-(Ethane-1,2-di-yl)dibenzene-sulfonamide
This study details the molecular structure of a novel organic compound, C(14)H(16)N(2)O(4)S(2). It reveals specific dihedral angles, distorted tetrahedral sulfur geometries, and intermolecular hydrogen bonding in its crystal form.
Area of Science:
- Crystallography
- Organic Chemistry
- Molecular Structure
Background:
- Understanding the three-dimensional arrangement of atoms in organic molecules is crucial for predicting their properties and reactivity.
- Sulfur-containing organic compounds exhibit diverse structural motifs and bonding characteristics.
- Intermolecular interactions, such as hydrogen bonds, significantly influence crystal packing and material properties.
Purpose of the Study:
- To elucidate the precise molecular geometry and crystal structure of the compound C(14)H(16)N(2)O(4)S(2).
- To analyze the spatial arrangement of phenyl rings and the coordination environment around sulfur atoms.
- To investigate the role of intermolecular forces in the solid-state organization of the molecule.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the atomic coordinates and unit cell parameters.
- Geometric parameters, including bond lengths, bond angles, and dihedral angles, were calculated.
- Analysis of intermolecular interactions, specifically hydrogen bonding, was performed.
Main Results:
- The dihedral angle between the terminal phenyl rings was determined to be 77.07(13)°.
- The sulfur atoms displayed distorted tetrahedral geometries with O-S-O angles of 120.66(12)° and 119.44(11)°.
- Molecules were observed to stack in columns along the a-axis, facilitated by intermolecular N-H⋯O and C-H⋯O hydrogen bonds.
Conclusions:
- The crystal structure of C(14)H(16)N(2)O(4)S(2) is characterized by specific phenyl ring orientation and distorted sulfur coordination.
- Intermolecular hydrogen bonding plays a key role in the observed columnar packing arrangement.
- The findings provide valuable structural insights into this class of organic sulfur compounds.
More Related Videos
Related Concept Videos
Stability of Conjugated Dienes
A comparison of the enthalpies of hydrogenation of dienes reveals that conjugated dienes release less heat on hydrogenation, rendering them more stable than their nonconjugated analogs.
Structure of Conjugated Dienes
Conjugated dienes are compounds characterized by the presence of alternating double and single bonds. In a conjugated system like 1,3-butadiene, the unhybridized 2p orbital on each carbon overlaps continuously, allowing the π electrons to be delocalized across the entire molecule. In contrast, this type of overlap does not occur in cumulated and isolated dienes, such as 2,3-pentadiene and 1,4-pentadiene, respectively. Instead, the π electrons remain localized between the double...
Electrophilic Aromatic Substitution: Sulfonation of Benzene
Nomenclature of Aromatic Compounds with a Single Substituent
[4+2] Cycloaddition of Conjugated Dienes: Diels–Alder Reaction
Carboxylic Acids to Methylesters: Alkylation using Diazomethane

