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Skeletal formula of germabenzene
Ball-and-stick model of the germabenzene molecule
Preferred IUPAC name
Other names
Germanabenzene; Germin; Germanin
3D model (JSmol)
Molar mass 138.73 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Germabenzene (C5H6Ge) is the parent representative of a group of chemical compounds containing in their molecular structure a benzene ring with a carbon atom replaced by a germanium atom. Germabenzene itself has been studied theoretically,[1] but has not been synthesized. However, stable naphthalene derivatives do exist in the laboratory such as the 2-germanaphthalene-containing substance represented below.[2] The germanium to carbon bond in this compound is shielded from potential reactants by a 2,4,6-tris[bis(trimethylsilyl)methyl]phenyl or Tbt group. This compound is aromatic just as the other carbon group representatives silabenzene and stannabenzene.

A stable 2-germanaphthalene derivative

See also[edit]


  1. ^ Ebrahimi, A. A.; Ghiasi, R.; Foroutan-Nejad, C. (2010). "Topological Characteristics of the Ring Critical Points and the Aromaticity of Groups IIIa to VIa Hetero-Benzenes". Journal of Molecular Structure: THEOCHEM. 941 (1–3): 47–52. doi:10.1016/j.theochem.2009.10.038. 
  2. ^ Nakata, N.; Takeda, N.; Tokitoh, N. (2001). "Synthesis and Structure of a Kinetically Stabilized 2-Germanaphthalene: The First Stable Neutral Germaaromatic Compound". Organometallics. 20 (26): 5507–5509. doi:10.1021/om010881y.