(1-Adamant-yl)(4-amino-phen-yl)methanol

Area of Science:

• Crystallography
• Organic Chemistry
• Supramolecular Chemistry

Background:

• Understanding molecular interactions is key in crystal engineering.
• The adamantane cage is a unique structural motif found in various organic compounds.
• Racemic crystals offer insights into enantiomeric interactions and packing.

Purpose of the Study:

• To elucidate the crystal structure of the title compound, C(17)H(23)NO.
• To investigate the intermolecular interactions, including hydrogen bonding and pi-pi interactions, governing crystal packing.
• To analyze the conformational aspects of the independent molecules and the adamantane cage.

Main Methods:

• Single-crystal X-ray diffraction analysis was employed.
• Analysis of intermolecular O-H⋯N and N-H⋯O hydrogen bonds.
• Assessment of pi-pi interactions and centroid-centroid distances.
• Examination of molecular conformations and bond angles within the adamantane cage.

Main Results:

• The compound crystallizes as a racemic mixture with two independent molecules.
• Enantiomers form face-to-face RS-dimers stabilized by O-H⋯N hydrogen bonds.
• Pi-pi interactions with a centroid-centroid distance of 3.7610(2) Å were observed.
• The adamantane cage exhibits near-ideal chair conformations.
• Molecular packing is further stabilized by N-H⋯O hydrogen bonds.

Conclusions:

• The crystal structure is dictated by a combination of hydrogen bonding and pi-pi interactions.
• The study provides detailed structural information on a compound featuring an adamantane cage.
• The findings contribute to the understanding of supramolecular assembly in organic crystals.