(Butane-1,4-di­yl)(trimethyl­phosphane-κP)[tris­(3,5-dimethyl­pyrazol-1-yl-κN (2))hydro­borato]iridium(III)

In the mononuclear title iridium(III) complex, [Ir(C(4)H(8))(C(15)H(22)BN(6))(C(3)H(9)P)], which is based on the [tris­(3,5-dimethyl­pyrazol-1-yl)hydro­borato]iridium moiety, Ir[Tp(Me2)], the Ir(III) atom is coordinated by a chelating butane-1,4-diyl fragment and a trimethyl­phosphane ligand in a modestly distorted octa­hedral coordination environment formed by three facial N, two C and one P atom. The iridium–butane-1,4-diyl ring has an envelope conformation. This ring is disordered because alternately the second or the third C atom of the butane-1,4-diyl fragment function as an envelope flap atom (the occupancy ratio is 1:1). In the crystal, mol­ecules are organized into densely packed columns extending along [101]. Coherence between the mol­ecules is essentially based on van der Waals inter­actions.