Refinement on F2	Hydrogen site location: difference Fourier map
Least-squares matrix: full	H atoms treated by a mixture of independent and constrained refinement
R[F > 3σ(F)] = 0.041	Weighting scheme based on measured s.u.'s w = 1/(σ2(I) + 0.0004I2)
wR(F) = 0.088	(Δ/σ)max = 0.033
S = 1.16	Δρmax = 0.11 e Å−3
2301 reflections	Δρmin = −0.10 e Å−3
212 parameters	Extinction correction: B-C type 1 Lorentzian isotropic (Becker & Coppens, 1974)
0 restraints	Extinction coefficient: 3100 (400)
37 constraints	Absolute structure: 955 of Friedel pairs used in the refinement
Primary atom site location: structure-invariant direct methods	Absolute structure parameter: 0.5
Secondary atom site location: difference Fourier map