Bis(di-tert-butylindenyl)tetrelocenes

Area of Science:

• Organometallic Chemistry
• Main Group Chemistry

Background:

• Bis(indenyl) complexes of group 14 elements are of interest due to their unique electronic and structural properties.
• The synthesis and characterization of analogous tin and lead complexes provide comparative insights.

Purpose of the Study:

• To report the synthesis and characterization of bis(di-tert-butylindenyl) germanium(II), tin(II), and lead(II) complexes.
• To provide the first structurally authenticated example of a bis(indenyl)germanocene.
• To investigate the properties of these complexes in solution and solid states.

Main Methods:

• Synthesis of organometallic complexes.
• Single crystal X-ray diffraction for structural determination.
• Nuclear Magnetic Resonance (NMR) spectroscopy for solution-state analysis.
• Mössbauer spectroscopy for the tin compound.

Main Results:

• Successful synthesis and characterization of bis(di-tert-butylindenyl) germanium(II), tin(II), and lead(II) complexes.
• The crystal structure of the bis(indenyl)germanocene was determined, representing a significant structural achievement.
• Spectroscopic data (NMR, Mössbauer) provided detailed information on the electronic and structural features of the compounds.

Conclusions:

• The reported complexes represent a new class of organometallic compounds with bulky indenyl ligands.
• The structural and spectroscopic data offer valuable insights into the bonding and reactivity of these heavy main group elements.
• This work expands the known chemistry of bis(indenyl) complexes and provides a foundation for future studies.