In the title complex, [RhH(C2B9H9Br2)(C18H15P)2]. CH2Cl2, the rhodacar
borane molecule adopts a closed icosahedral RhC2B9-cage geometry with
adjacent Rh and C atoms. Principal distances include Rh-P 2.345 (2) an
d 2.276 (2), Rh-C 2.289 (8) and 2.241 (8), and B-Br 1.974 (9) and 1.98
0 (9) Angstrom.