Refinement on F2	Hydrogen site location: inferred from neighbouring sites
Least-squares matrix: full	H-atom parameters constrained
R[F2 > 2σ(F2)] = 0.064	w = 1/[σ2(Fo2) + (0.035P)2 + 1.3721P] where P = (Fo2 + 2Fc2)/3
wR(F2) = 0.166	(Δ/σ)max < 0.001
S = 1.15	Δρmax = 0.30 e Å−3
4580 reflections	Δρmin = −0.26 e Å−3
308 parameters	Extinction correction: SHELXTL (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4
Primary atom site location: structure-invariant direct methods	Extinction coefficient: 0.021 (4)
Secondary atom site location: difference Fourier map