Synthesis and structure of a neutral SiAl14 cluster

Purath A, Dohmeier C, Ecker A, Koppe R, Krautscheid H, Schnockel H, Ahlrichs R, Stoermer C, Friedrich J, Jutzi P (2000)
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 122(29): 6955-6959.

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Abstract
A metastable AlCl solution obtained by co-condensation of the high-temperature molecule AlCl and a mixture of toluene/diethyl ether reacted with SiCp*2 or SiCl4/AlCp*, giving a unique SiAl14 cluster species that bears six Cp* ligands protecting the compound from disproportionation and formation of the bulk material (elemental Al or an Si/Al alloy). The structure of the SiAl14 core represents a section of the body centered packing when a Si atom resides in the center of an Al cube. Each of the six faces of the cube is capped by an additional Al(eta(5) Cp*) moiety. This cluster compound was investigated by mass spectrometry, X-ray diffraction, Al-27 NMR spectroscopy, and ab initio theory. The solid-state structure contains minor amounts of molecules with additional Cl atoms bonded to the Al atoms at the corners of the cube, and the presence of Cl-containing molecules in the crystal is rationalized on basis of the suggested reaction path.
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Purath A, Dohmeier C, Ecker A, et al. Synthesis and structure of a neutral SiAl14 cluster. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY. 2000;122(29):6955-6959.
Purath, A., Dohmeier, C., Ecker, A., Koppe, R., Krautscheid, H., Schnockel, H., Ahlrichs, R., et al. (2000). Synthesis and structure of a neutral SiAl14 cluster. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 122(29), 6955-6959.
Purath, A., Dohmeier, C., Ecker, A., Koppe, R., Krautscheid, H., Schnockel, H., Ahlrichs, R., Stoermer, C., Friedrich, J., and Jutzi, P. (2000). Synthesis and structure of a neutral SiAl14 cluster. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 122, 6955-6959.
Purath, A., et al., 2000. Synthesis and structure of a neutral SiAl14 cluster. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 122(29), p 6955-6959.
A. Purath, et al., “Synthesis and structure of a neutral SiAl14 cluster”, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 122, 2000, pp. 6955-6959.
Purath, A., Dohmeier, C., Ecker, A., Koppe, R., Krautscheid, H., Schnockel, H., Ahlrichs, R., Stoermer, C., Friedrich, J., Jutzi, P.: Synthesis and structure of a neutral SiAl14 cluster. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY. 122, 6955-6959 (2000).
Purath, A, Dohmeier, C, Ecker, A, Koppe, R, Krautscheid, H, Schnockel, H, Ahlrichs, R, Stoermer, C, Friedrich, J, and Jutzi, Peter. “Synthesis and structure of a neutral SiAl14 cluster”. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 122.29 (2000): 6955-6959.
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