Tris[bis-(2-methyl-prop-yl)dithio-phosphinato]bis-muth(III)

Area of Science:

• Inorganic Chemistry
• Crystallography
• Coordination Chemistry

Background:

• Bismuth(III) compounds exhibit diverse coordination geometries.
• Dithiophosphinate ligands are effective in stabilizing metal cations.
• Understanding molecular interactions is crucial for materials science.

Purpose of the Study:

• To characterize the crystal structure of the title compound, [Bi(C(8)H(18)PS(2))(3)].
• To analyze the coordination environment around the Bi(III) cation.
• To investigate the role of intermolecular and intramolecular interactions in molecular stabilization.

Main Methods:

• Single-crystal X-ray diffraction was employed to determine the crystal structure.
• Bond lengths and coordination geometry were analyzed.
• Hydrogen bonding and C-H⋯π interactions were identified and studied.

Main Results:

• The compound features a Bi(III) cation coordinated by three bis-(2-methyl-propyl)dithiophosphinate anions.
• A distorted octahedral coordination geometry around the Bi(III) center was observed.
• Bi-S bond lengths ranged from 2.7694(18) to 2.8391(17) Å.
• S-P bond lengths were found to be between 2.019(2) and 2.035(2) Å.
• Crystal structure is stabilized by C-H⋯S hydrogen bonds and intramolecular C-H⋯π interactions.

Conclusions:

• The crystal structure of [Bi(C(8)H(18)PS(2))(3)] has been successfully elucidated.
• The dithiophosphinate ligand effectively coordinates to Bi(III), forming a distorted octahedral complex.
• Hydrogen bonding and C-H⋯π interactions significantly contribute to the overall molecular stability.