2-Phenyl-imidazolium chloride monohydrate.

Area of Science:

• Crystal engineering and supramolecular chemistry.
• Solid-state chemistry and molecular structure analysis.

Background:

• Understanding the formation and properties of molecular salts is crucial in materials science.
• Hydrated salts exhibit unique structural features and intermolecular interactions.

Purpose of the Study:

• To elucidate the crystal structure of the hydrated molecular salt C(9)H(9)N(2) (+)·Cl(-)·H(2)O.
• To analyze the dihedral angle and hydrogen bonding interactions within the crystal lattice.

Main Methods:

• Single-crystal X-ray diffraction was employed to determine the molecular structure.
• Analysis of bond lengths, bond angles, and intermolecular contacts was performed.

Main Results:

• The dihedral angle between the five- and six-membered rings in the cation was determined to be 18.00(2)°.
• Evidence of O-H⋯Cl, N-H⋯O, and N-H⋯Cl hydrogen bonding interactions was identified.
• The crystal structure is stabilized by these hydrogen bonds and electrostatic interactions.

Conclusions:

• The crystal structure of the hydrated molecular salt C(9)H(9)N(2) (+)·Cl(-)·H(2)O has been successfully characterized.
• The identified hydrogen bonding network plays a significant role in the overall crystal packing and stability.
• This research contributes to the understanding of structure-property relationships in hydrated molecular salts.