Table 1. Refinement statistics for α-FOX-7 from spherical (XL) and nonspherical (NoSpherA2) refinements .

Temp(K)	No. of reflections [all, >2σ(I)]	R 1(F) a XL	R 1(F) a NoSpherA2	Δρ XL (e Å−3)		Δρ NoSpherA2 (e Å−3)
80	1536, 1414	0.0364	0.0267	0.427	−0.400	0.256	−0.268
100	1536, 1400	0.0368	0.0261	0.481	−0.335	0.216	−0.206
120	1539, 1394	0.0381	0.0279	0.445	−0.340	0.213	−0.224
140	1540, 1389	0.0401	0.0299	0.426	−0.331	0.227	−0.222
164	1542, 1375	0.0400	0.0309	0.362	−0.339	0.228	−0.265
200	1560, 1363	0.0435	0.0334	0.343	−0.304	0.180	−0.186
240	1577, 1340	0.0502	0.0387	0.335	−0.386	0.207	−0.215
280	1576, 1222	0.0692	0.0574	0.616	−0.452	0.486	−0.318
320	1592, 1124	0.0849	0.0774	0.755	−0.472	0.709	−0.426
360	1607, 1029	0.0995	0.0949	0.710	−0.504	0.681	−0.501

Note: (a) R ₁(F) = Σ||F _o| – |F _c||/Σ|F _o|.