| Refinement on F2 | Primary atom site location: dual | 
| Least-squares matrix: full | Secondary atom site location: difference Fourier map | 
| R[F2 > 2σ(F2)] = 0.044 | Hydrogen site location: inferred from neighbouring sites | 
| wR(F2) = 0.139 | H-atom parameters constrained | 
| S = 1.17 | w = 1/[σ2(Fo2) + (0.0919P)2] where P = (Fo2 + 2Fc2)/3 | 
| 3456 reflections | (Δ/σ)max < 0.001 | 
| 181 parameters | Δρmax = 0.42 e Å−3 | 
| 0 restraints | Δρmin = −0.24 e Å−3 |