Research Article: Potassium [(1S)-1-azido-2-phenyl­eth­yl]trifluorido­borate

Date Published: August 01, 2012

Publisher: International Union of Crystallography

Author(s): Tore Lejon, Alexey S. Gorovoy, Victor N. Khrustalev.


The title compound, K+·C8H8BF3N3−, is a salt containing the chiral organic trifluorido­borate anion. The organic anions and potassium cations are tightly bound to each other by the coordination K—F [2.654 (3)–3.102 (3) Å] and K—N [2.951 (4)–3.338 (4) Å] inter­actions. Thus, the potassium cation adopts a nine-vertex coordination polyhedron, which can be described as a distorted monocapped tetra­gonal anti­prism. In the crystal, the organic anions and potassium cations form layers parallel to (001). Weak C—H⋯π inter­actions between neighbouring phenyl rings further stabilize the crystal.

Partial Text

For the Matteson homologation, see: Matteson & Kim (2002 ▶); Matteson et al. (2006 ▶). For related compounds, see: Matteson & Beedle (1987 ▶); Scriven & Turnbull (1988 ▶); Darses & Genet (2008 ▶); Huang et al. (2009 ▶).




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