Abstract
Synchronous electron diffraction and mass spectrometric investigation of the saturated vapor of scandium tris-acetylacetonate was carried out. It was stated that at 155(5)°C the vapor contains only monomeric Sc(aa)3 molecules, whose structural parameters r a , r g , and r α were determined. The internuclear distances in the chelate ring were found to be r α (Sc–O) = 2.076(4) Å, r α (O–C) = 1.271(3) Å, r α (C–Cr) = 1.386(4) Å. The coordination polyhedron ScO6 has a nearly antiprism structure of D 3 symmetry. The angle of rotation of the O–O–O trigonal faces relative to their position in a regular prism is 26.8(1.1)°.
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Belova, N.V., Giricheva, N.I., Girichev, G.V. et al. Structure and Energy Studies of β-Diketonates. X. Molecular Structure of Sc(aa)3 According to Gas-Phase Electron Diffraction Data. Journal of Structural Chemistry 43, 56–63 (2002). https://doi.org/10.1023/A:1016017731502
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DOI: https://doi.org/10.1023/A:1016017731502