Dimere 9-Hydrochalkogeno-9-BBN-Verbindungen - Bildung und Kristallstruktur [1] / Dimeric Hydrochalcogeno-9-BBN Compounds - Formation and Crystal Structure [1]

Abstract

Abstract The trans-dimer of (9-HS-9-BBN)2 (1)2, obtained from H2S with (9H-9-BBN)2 or with (9-BBN)2S, crystallizes in the monoclinic space group C2/m [lattice constants (at 120 K): a = 15.279(2), b = 15.909(3), c = 6.822(4) Å; β = 91.05(4)°] with a planar B2S2ring. The cis-dimer of (9-HSe-9-BBN)2 (2)2, obtained from (9-BBN)2Se with aniline, crystallizes in the monoclinic space group P21/n [lattice constants (at 225 K): a = 6.892(1), b= 20.623(3), c = 12.226(2) Å; β = 97.28°] with an folded B2Se2ring.