| Refinement on F2 | H atoms treated by a mixture of independent and constrained refinement | 
| R[F2 > 2σ(F2)] = 0.049 | w = 1/[σ2(Fo2) + (0.0782P)2] where P = (Fo2 + 2Fc2)/3 | 
| wR(F2) = 0.166 | (Δ/σ)max < 0.001 | 
| S = 1.06 | Δρmax = 0.22 e Å−3 | 
| 3461 reflections | Δρmin = −0.28 e Å−3 | 
| 159 parameters |