Abstract
The crystal structures of chloro(η5-cyclopentadienyl)[methylenebis(diphenylphosphine-P)]ruthenium–chloroform (1/1), [RuCl(C5H5)(C25H22P2)].CHCl3, (A), and chloro(η5-cyclopentadienyl)[1,2-ethanediylbis(diphenylphosphine-P)] ruthenium–chloroform (1/1), [RuCl(C5H5)(C26H24P2)].CHCl3, (B), are reported. Both molecules contain a central ring structure in which a pair of P atoms, linked by a –CH–2–[in (A)] or a –C2H4– [in (B)] group, are bonded to a central Ru atom. The P—Ru—P bond angle undergoes expansion from 72.07 (2)° in (A) to 83.48 (2)° in (B). The bond distances around the Ru center are compared with values reported for similar compounds. Both structures include a chloroform solvent molecule in addition to the ruthenium complex. The chloroform molecule in (A) was found to be disordered.
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