All-yl(ferrocenylmeth-yl)dimethyl-ammonium perchlorate

Area of Science:

• Organometallic Chemistry
• Crystallography
• Coordination Chemistry

Background:

• Ferrocene derivatives are crucial in various chemical applications.
• Understanding the structural nuances of organometallic complexes is vital for designing new materials.
• The title complex, [Fe(C(5)H(5))(C(11)H(17)N)]ClO(4), presents an interesting case for structural analysis.

Purpose of the Study:

• To elucidate the crystal structure of the [Fe(C(5)H(5))(C(11)H(17)N)]ClO(4) complex.
• To analyze the arrangement and bonding of the ferrocenyl-dimethyl-ammonium cations and perchlorate anions.
• To investigate the geometric parameters of the ferrocene moieties within the complex.

Main Methods:

• Single-crystal X-ray diffraction was employed to determine the crystal structure.
• Analysis of bond lengths, bond angles, and dihedral angles was performed.
• Disorder in the perchlorate anions was modeled and quantified.

Main Results:

• The asymmetric unit contains two independent all-yl(ferrocenyl-methyl)dimethyl-ammonium cations and two perchlorate anions.
• The perchlorate anions exhibit positional disorder, modeled over two sites with a specific occupancy ratio.
• Precise distances from iron atoms to cyclopentadienyl ring centroids and small dihedral angles between the cyclopentadienyl rings were determined for the ferrocenyl groups.

Conclusions:

• The study provides a detailed structural characterization of a novel ferrocenyl-dimethyl-ammonium perchlorate complex.
• The findings contribute to the understanding of structural diversity and bonding in organometallic compounds.
• The precise geometric data offers a foundation for further studies on the properties and reactivity of related ferrocene derivatives.