Abstract
The asymmetric unit of the title complex, [Ir2Cl4(C12H19)2], a versatile starting material for the preparation of uniquely substituted pentaalkylcyclopentadienyl–iridium complexes, consists of an iridium(III) atom, a substituted cyclopentadienyl ligand and two chlorine ligands. The full dimer is generated by an inversion center. In the dimer, the two IrIII atoms and two bridging Cl atoms form a perfectly planar ring. The two IrIII atoms and the two terminal Cl atoms also form a rigorous plane that is orthogonal [89.48 (3)°] to the Ir2Cl2 ring. The plane of the cyclopentadienyl ligand forms a dihedral angle of 54.06 (7)° with respect to the Ir2Cl2 ring.
Highlights
Structure Reports OnlineThe two IrIII atoms and two bridging Cl atoms form a perfectly planar ring
The asymmetric unit of the title complex, [Ir2Cl4(C12H19)2], a versatile starting material for the preparation of uniquely substituted pentaalkylcyclopentadienyl–iridium complexes, consists of an iridium(III) atom, a substituted cyclopentadienyl ligand and two chlorine ligands
The full dimer is generated by an inversion center
Summary
The two IrIII atoms and two bridging Cl atoms form a perfectly planar ring. The two IrIII atoms and the two terminal Cl atoms form a rigorous plane that is orthogonal [89.48 (3)] to the Ir2Cl2 ring. The plane of the cyclopentadienyl ligand forms a dihedral angle of 54.06 (7) with respect to the Ir2Cl2 ring. Related literature For the structure of the analogous pentamethylcyclopentadienyl compound (CCDC 508943), see: Churchill & Julius (1977). For the structure of the 1-phenyl-2,3,4,5-tetramethylcyclopentadienyl complex (CCDC 802289), see: Liu et al (2011). Crystal data [Ir2Cl4(C12H19)2] Mr = 852.74 Monoclinic, P21=c a = 8.84367 (12) Ab = 8.83900 (12) Ac = 17.2662 (2) A = 103.6737 (14)
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