Related Experiment Video
Updated: Jan 10, 2026
![Cercosporin-Photocatalyzed [4+1]- and [4+2]-Annulations of Azoalkenes Under Mild Conditions](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F60786.jpg&w=3840&q=50)
Cercosporin-Photocatalyzed [4+1]- and [4+2]-Annulations of Azoalkenes Under Mild Conditions
Published on: July 17, 2020
1-(4-Cyano-phenyl-diazen-2-ium-1-yl)-2-naphtholate
This study details the crystal structure of a zwitterionic compound, C(17)H(11)N(3)O. It reveals intramolecular hydrogen bonding and intermolecular interactions forming dimers in the crystal lattice.
Area of Science:
- Crystallography
- Organic Chemistry
- Molecular Structure
Background:
- Zwitterionic compounds exhibit unique chemical properties.
- Understanding molecular interactions is crucial in materials science.
Purpose of the Study:
- To elucidate the crystal structure of the title zwitterionic compound, C(17)H(11)N(3)O.
- To analyze the intra- and intermolecular interactions governing its solid-state arrangement.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
- Analysis of bond lengths, angles, and intermolecular contacts was performed.
Main Results:
- The naphthalene ring system is planar with a dihedral angle of 3.55° relative to the benzene ring.
- An intramolecular N-H⋯O hydrogen bond forms a planar six-membered ring.
- Intermolecular C-H⋯O interactions link molecules into centrosymmetric dimers.
Conclusions:
- The study provides a detailed structural characterization of the zwitterionic compound.
- The identified hydrogen bonding and dimerization patterns are key to its crystal packing.
More Related Videos
10:42Preparation of N-2-alkoxyvinylsulfonamides from N-tosyl-1,2,3-triazoles and Subsequent Conversion to Substituted Phthalans and Phenethylamines
Published on: January 3, 2018
19:58Palladium N-Heterocyclic Carbene Complexes: Synthesis from Benzimidazolium Salts and Catalytic Activity in Carbon-carbon Bond-forming Reactions
Published on: July 30, 2017
Related Concept Videos
Diazonium Group Substitution: –OH and –H
Nucleophilic Aromatic Substitution of Aryldiazonium Salts: Aromatic SN1
In the Sandmeyer reaction, for example, the diazonio group is replaced by a chloro, bromo,...
1° Amines to Diazonium or Aryldiazonium Salts: Diazotization with NaNO2 Mechanism
1° Amines to Diazonium or Aryldiazonium Salts: Diazotization with NaNO2 Overview
The nitrous acid is unstable. Hence, it is formed in situ from a solution of sodium nitrite and cold aqueous acids such as hydrochloric or sulfuric acid. In an acidic solution, the –OH group of nitrous acid undergoes protonation to give oxonium ion, followed by...
Preparation of Nitriles
2° Amines to N-Nitrosamines: Reaction with NaNO2