Table 1. Selected bond lengths ().
| Sr1O1 | 2.524(4) | Sr1O2i | 2.728(4) |
| Sr1O3 | 2.625(6) | Sr1O3ii | 2.707(6) |
| Sr1O4 | 2.630(6) | Sr1O4ii | 2.651(5) |
| Sr1O5 | 2.593(5) | Sr1O2iii | 2.800(5) |
| Sr1O6 | 2.582(6) |
Symmetry codes: (i) 
; (ii) 
; (iii) 
.
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