VI	VII
Crystal data
Chemical formula	C6H9O4+·BF4−·2HF	0.5C6H10O42+·Sb2F11−
M r	271.96	525.57
Crystal system, space group	Orthorhombic, Pbca	Orthorhombic, Pbca
tem­per­a­ture (K)	101	101
a, b, c (Å)	12.8759 (5), 11.8899 (4), 14.6252 (7)	7.8461 (6), 15.1531 (11), 19.5536 (17)
α, β, γ (°)	90, 90, 90	90, 90, 90
V (Å3)	2239.02 (16)	2324.8 (3)
Z	8	8
μ (mm−1)	0.19	4.79
Crystal size (mm)	0.28 × 0.18 × 0.11	0.25 × 0.11 × 0.05
Data collection
Tmin, Tmax	0.885, 1.000	0.807, 1.000
No. of measured, independent and observed [I > 2σ(I)] reflections	7514, 1717, 1478	13316, 3784, 2878
R int	0.026	0.053
θmax (°)	23.8	32.2
(sin θ/λ)max (Å−1)	0.568	0.750
Refinement
R[F2 > 2σ(F2)], wR(F2), S	0.040, 0.100, 1.05	0.036, 0.071, 1.04
No. of reflections	1717	3784
No. of parameters	176	169
No. of restraints	1	0
H-atom treatment	H atoms treated by a mixture of independent and constrained refinement	H atoms treated by a mixture of independent and constrained refinement
Δρmax, Δρmin (e Å−3)	0.77, −0.35	1.09, −1.01

com­puter programs: CrysAlis PRO (Rigaku OD, 2020 ▸), SHELXT (Sheldrick, 2015a ▸), SHELXL2018 (Sheldrick, 2015b ▸), ORTEP-3 for Windows (Farrugia, 2012 ▸) and PLATON (Spek, 2020 ▸).