Pyrimidine-2,4-diamine acetone monosolvate

Area of Science:

• Crystallography
• Chemical Physics
• Materials Science

Background:

• Pyrimidine derivatives are important in medicinal chemistry and materials science.
• Understanding intermolecular interactions is crucial for designing crystalline materials with specific properties.

Purpose of the Study:

• To elucidate the crystal structure of the title compound, C(4)H(6)N(4)·C(3)H(6)O.
• To investigate the intermolecular interactions governing the crystal packing.

Main Methods:

• Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
• Analysis of hydrogen bonds (N-H⋯N, N-H⋯O) and weak interactions (C-H⋯π) was performed.

Main Results:

• The pyrimidine-2,4-diamine molecule is nearly planar, with minor deviations.
• Molecules are linked into ribbon structures along the [101] direction via N-H⋯N and N-H⋯O hydrogen bonds.
• Weak C-H⋯π interactions further stabilize the crystal packing.

Conclusions:

• The study provides a detailed structural characterization of the title compound.
• The identified hydrogen bonding and weak interactions offer insights into the supramolecular assembly and crystal engineering of pyrimidine derivatives.