| Refinement on F2 | Primary atom site location: structure-invariant direct methods | 
| Least-squares matrix: full | Secondary atom site location: difference Fourier map | 
| R[F2 > 2σ(F2)] = 0.068 | Hydrogen site location: inferred from neighbouring sites | 
| wR(F2) = 0.175 | H-atom parameters constrained | 
| S = 1.01 | w = 1/[σ2(Fo2) + (0.06P)2 + 2.6P] where P = (Fo2 + 2Fc2)/3 | 
| 3262 reflections | (Δ/σ)max < 0.001 | 
| 226 parameters | Δρmax = 0.25 e Å−3 | 
| 0 restraints | Δρmin = −0.29 e Å−3 |