Bis(μ-2-tert-butyl­phenyl­imido-1:2κ2N:N)chlorido-2κCl-(diethyl ether-1κO)(2η5-penta­methyl­cyclo­penta­dien­yl)lithiumtantalum(V)
2011

Study of a Tantalum Compound with Bulky Substituents

publication Evidence: moderate

Author Information

Author(s): Cole Jacqueline M., Chan Michael C. W., Gibson Vernon C., Howard Judith A. K.

Primary Institution: Cavendish Laboratory, University of Cambridge

Hypothesis

The bulky 2,6-diisopropylphenyl substituent stabilizes unusual imido metal species.

Conclusion

The study found that the tantalum compound's structure is similar to its analogue but exhibits notable geometrical differences due to the bulky substituents.

Supporting Evidence

  • The tantalum coordination geometry is approximately tetrahedral.
  • The lithium cation is bonded to both the 2-tert-butyl­phenyl­imide dianions and a diethyl ether molecule.
  • The study compared the title compound with its 2,6-diisopropyl­phenyl­imide analogue.

Takeaway

Scientists looked at a special metal compound and found that its shape is similar to another one, but the big parts attached to it change how it looks.

Methodology

The compound was synthesized by adding a solution of LiNH(2-tBuC6H4) to a stirred solution of Cp*TaCl4, followed by crystallization.

Digital Object Identifier (DOI)

10.1107/S1600536811015650

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