Table 1.

Selected bond lengths (Å) for complexes 1–3

Bond	1	2	3
RhC(21)/C(25)	2.352(3)/2.369(3)	2.387(2)/2.385(2)	2.355(3)/2.349(3)
RhC(11)/RhC(15)	2.032(3)/2.042(3)	2.027(2)/2.025(2)	2.034(2)/2.029(2)
Rh–HCagostic	2.52(4), 2.77(3)	2.61(3)/2.78(2)	2.63(3)/2.72(3)
RhP	2.2693(7)	2.2621(4)	2.2466(7)
C(11)···C(15)	2.205(4)	2.234(3)	2.229(4)
C(21)–C(25)	1.604(4)	1.608(3)	1.607(4)
C(21)–C(26)	1.510(4)	1.514(3)	1.521(4)
C(26)–C(25)	1.502(4)	1.514(3)	1.518(4)