Crystal structure of AlPCl₈.

Area of Science:

• Inorganic Chemistry
• Solid-State Chemistry
• Crystallography

Background:

• Aluminium phosphorus chloride (AlPCl8) is a compound with potential applications in various chemical processes.
• Understanding its crystal structure is crucial for predicting its physical and chemical properties.

Purpose of the Study:

• To determine and refine the crystal structure of aluminium phosphorus chloride (AlPCl8).
• To characterize its structural features and compare it with isostructural compounds.

Main Methods:

• Single-crystal X-ray diffraction was employed to collect diffraction data.
• The crystal structure was solved and refined using established crystallographic methods.

Main Results:

• Aluminium phosphorus chloride (AlPCl8) crystallizes in the orthorhombic space group Pbcm.
• The structure consists of isolated tetrachloroaluminate [AlCl4]- and tetrachlorophosphonium [PCl4]+ tetrahedra.
• The compound is isostructural with iron phosphorus chloride (FePCl8) and gallium phosphorus chloride (GaPCl8).

Conclusions:

• The crystal structure determination provides fundamental insights into the bonding and arrangement of atoms in AlPCl8.
• The isostructural relationship with FePCl8 and GaPCl8 suggests similar chemical behaviors and potential for comparative studies.