Refinement on F2	w = 1/[σ2(Fo2) + (0.1P)2] where P = (Fo2 + 2Fc2)/3
R[F2 > 2σ(F2)] = 0.037	(Δ/σ)max < 0.001
wR(F2) = 0.038	Δρmax = 0.48 e Å−3
S = 1.25	Δρmin = −0.37 e Å−3
2752 reflections	Absolute structure: Flack (1983), with 1292 Friedel pairs
215 parameters	Flack parameter: −0.02 (4)
H atoms treated by a mixture of independent and constrained refinement