N (1),N (2)-Di-methyl-ethane-1,2-diaminium dichloride

Area of Science:

• Crystallography
• Solid-state chemistry
• Supramolecular chemistry

Background:

• Understanding the crystal packing and intermolecular interactions of organic salts is crucial for predicting their physical properties.
• The specific salt, identified as C4H14N2(2+)·2Cl(-), presents an interesting case for structural analysis due to its charged nature.

Purpose of the Study:

• To elucidate the detailed crystal structure of the title salt, C4H14N2(2+)·2Cl(-).
• To investigate the conformation of the cation and the role of hydrogen bonding in the crystal packing.

Main Methods:

• Single-crystal X-ray diffraction was employed to determine the atomic arrangement.
• Analysis of crystallographic data to identify symmetry elements, atomic positions, and intermolecular interactions.

Main Results:

• The cation, C4H14N2(2+), resides on a crystallographic inversion center and is bisected by a mirror plane.
• The chloride ions also lie on a mirror plane, contributing to the overall symmetry.
• The cation exhibits a regular straight-chain conformation with all non-hydrogen atoms in anti positions.
• Hydrogen bonding between N-H groups and chloride anions results in a characteristic zigzag ladder-type structure along the [010] direction.

Conclusions:

• The crystal structure of C4H14N2(2+)·2Cl(-) is characterized by specific symmetry elements and cation conformation.
• Intermolecular hydrogen bonding plays a significant role in directing the self-assembly into a unique zigzag ladder motif.
• This structural insight contributes to the broader understanding of crystal engineering and the design of functional materials.