Abstract
Thus far, the synthesis and comprehensive studies on closed- and open-shell group 6 and 7 transition metal tetrylidyne complexes were discussed. In all these complexes, the tetrel atoms are bonded to a bulky organyl group, such as C6H3-2,6-Mes2, N(SiMe3)(C6H2-2,4,6-tBu3) etc., which are necessary to stabilize the highly reactive tetrylidyne complexes. In this chapter, we will focus on the synthesis of heavier analogues of μ2-carbido complexes featuring heavier tetrel atoms, that are bonded only two metal fragments. Furthermore, the reactivity of this interesting class of compounds will be discussed in detail.
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Notes
- 1.
A CSD Survey (11.05.2016) gave 85 compounds with Mo–Si single bonds and 79 compounds with W–Si single bonds, leading to a median/mean Mo–Si and W–Si bond lengths of 2.564/2.559 Å and 2.569/2.568 Å, respectively.
- 2.
The quantum chemical calculations were performed by Dr. G. Schnakenburg.
- 3.
A CSD Survey (17.05.2016) gave 34 compounds with Mo–Ge single bonds and 90 compounds with W–Ge single bonds, leading to a median/mean Mo–Ge and W–Ge bond lengths of 2.625/2.587 Å and 2.605/2.584 Å, respectively.
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Ghana, P. (2019). µ-Ylido Complexes. In: Synthesis, Characterization and Reactivity of Ylidyne and μ-Ylido Complexes Supported by Scorpionato Ligands. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-030-02625-7_7
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