Phthalazin-1(2H)-one-picric acid (1/1)
Acta Crystallographica. Section E, Structure Reports Online
|January 5, 2011
Summary
This study details the molecular structure of a compound formed by phthalazin-1(2H)-one and picric acid. Analysis reveals specific geometric parameters and hydrogen bonding patterns critical for crystal structure.
Area of Science:
- Crystallography
- Molecular Chemistry
- Organic Chemistry
Background:
- Understanding molecular interactions and geometric parameters is crucial in crystal engineering.
- Phthalazin-1(2H)-one and picric acid are organic compounds with distinct structural features.
Purpose of the Study:
- To elucidate the crystal structure and molecular geometry of the compound formed by phthalazin-1(2H)-one and picric acid.
- To investigate the role of hydrogen bonding in stabilizing the crystal lattice.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the precise atomic arrangement.
- Geometric parameters, including bond lengths, bond angles, and dihedral angles, were analyzed.
- Intra- and intermolecular hydrogen bonding interactions were identified and characterized.
Main Results:
- The compound crystallizes with specific geometric parameters falling within expected ranges.
- Nitro groups of the picric acid moiety exhibit near-coplanarity with the aromatic ring.
- Intramolecular hydrogen bonding stabilizes the picric acid conformation, while intermolecular hydrogen bonds form dimers in phthalazin-1(2H)-one.
Conclusions:
- The crystal structure is characterized by well-defined geometric parameters and significant hydrogen bonding.
- The observed hydrogen bonding network dictates the overall supramolecular architecture of the compound.
- This structural information contributes to the understanding of organic crystal formation and properties.

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