Crystal structure and R. factors for \mathrm{Ca}_{2} \mathrm{ScSbO}_{6}, the atomic positions were refined in space group P 2_{1} / n at room temperature from x-ray and E9 neutron data. The cell parameters are: a=5.5088(1) \AA; \mathrm{b}=5.6226(1) \AA; c=7.8601(1); \beta=90.02(1) \circ; \mathrm{V}=243.46(1) \AA^{3}
| Atom | Site | x | y | z | \mathrm{B}\left(\AA^{2}\right) | Occupancy |
|---|---|---|---|---|---|---|
| Ca | 4e | 0.0150(9) | 0.0461(4) | 0.2490(4) | 0.28(6) | 1.00 |
| Sb | 2c | 0 | 1/2 | 0 | 0.18(3) | 1.00 |
| Sc | 2d | 1/2 | 0 | 0 | 0.59(6) | 1.00 |
| O1 | 4e | 0.292(2) | 0.303(2) | 0.052(2) | 0.48(3) | 1.00 |
| O2 | 4e | 0.299(2) | 0.284(2) | 0.444(2) | 0.48(3) | 1.00 |
| O3 | 4e | 0.908(2) | 0.468(1) | 0.244(1) | 0.48(3) | 1.00 |