2,2,6,6-Tetramethyl-4-oxopiperidinium nitrate

Area of Science:

• Crystal Chemistry
• Supramolecular Chemistry
• Organic Solid-State Chemistry

Background:

• Piperidinium salts are common organic cations with diverse applications.
• Understanding the solid-state structure of ionic organic compounds is crucial for predicting their properties.
• Nitrate anions can participate in various hydrogen bonding interactions.

Purpose of the Study:

• To determine the crystal structure of piperidinium nitrate.
• To investigate the conformational preferences of the piperidinium ring in the solid state.
• To analyze the hydrogen bonding network formed between piperidinium cations and nitrate anions.

Main Methods:

• Single-crystal X-ray diffraction was employed to elucidate the molecular and crystal structure.
• Analysis of bond lengths, bond angles, and intermolecular interactions was performed.
• Conformational analysis of the piperidinium ring was carried out.

Main Results:

• The crystal structure of piperidinium nitrate (C(9)H(18)NO(+).NO(3)(-)) was determined.
• The piperidinium ring adopts a slightly deformed chair conformation.
• Ions are arranged in hydrogen-bonded chains parallel to [001], featuring bifurcated hydrogen bonds linking nitrate oxygen atoms to piperidinium nitrogen atoms.

Conclusions:

• The study provides detailed structural insights into piperidinium nitrate.
• The observed hydrogen bonding network dictates the supramolecular architecture in the solid state.
• The findings contribute to the understanding of structure-property relationships in organic ionic compounds.