3-(Ammonio-methyl)-pyridinium bis-(perchlorate)

Area of Science:

• Crystal chemistry
• Molecular solid-state chemistry

Background:

• Molecular salts offer tunable properties through varied cation-anion combinations.
• Understanding crystal packing and intermolecular interactions is key to designing materials with specific functions.

Purpose of the Study:

• To elucidate the crystal structure and bonding characteristics of the molecular salt C6H10N2(2+)·2ClO4(-).
• To investigate the nature of intermolecular interactions, including hydrogen bonding, within the crystal lattice.

Main Methods:

• Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
• Analysis of bond lengths, bond angles, and intermolecular distances provided insights into structural features and interactions.

Main Results:

• The crystal structure of C6H10N2(2+)·2ClO4(-) was determined, revealing distorted tetrahedral perchlorate anions.
• N-H⋯O and C-H⋯O hydrogen bonds were identified, linking the organic cations and perchlorate anions into columns along the a-axis.
• A repeating pattern of stacked organic molecules surrounded by perchlorate anions was observed.

Conclusions:

• The study provides a detailed structural description of the C6H10N2(2+)·2ClO4(-) molecular salt.
• The observed hydrogen bonding network and anion distortion influence the overall crystal packing and material properties.