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Updated: May 13, 2026
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Synthesis of High Purity Nonsymmetric Dialkylphosphinic Acid Extractants
Published on: October 19, 2017
(9H-Fluoren-9-yl)(phen-yl)phosphinic acid
Robert A Burrow1, Rubia M Siqueira da Silva
1Laboratório de Materiais Inorgânicos, Universidade Federal de Santa Maria, 97105-900 Santa Maria-RS, Brazil.
Acta Crystallographica. Section E, Structure Reports Online
|March 12, 2013
Summary
This study reveals the crystal structure of C19H15O2P, highlighting molecular interactions. Molecules form chains via hydrogen bonds and pi-pi interactions between fluorene systems.
Area of Science:
- Crystal structure analysis
- Supramolecular chemistry
Background:
- Understanding molecular interactions is crucial for materials science.
- Crystal engineering aims to design materials with specific properties.
Purpose of the Study:
- To elucidate the crystal structure of C19H15O2P.
- To investigate the intermolecular forces governing the solid-state arrangement.
Main Methods:
- Single-crystal X-ray diffraction was employed.
- Analysis of hydrogen bonding and pi-pi interactions was performed.
Main Results:
- The crystal structure exhibits pairs of molecules linked by O-H⋯O hydrogen bonds.
- Pi-pi interactions between fluorene rings form chains with a centroid-centroid distance of 3.6273(9) Å.
- The dihedral angles between the three rings are very small, indicating near planarity.
Conclusions:
- The crystal packing is dominated by hydrogen bonding and pi-pi stacking.
- The observed structure provides insights into the self-assembly of organic molecules.
