 | Acta Crystallographica Section E Acta Crystallographica Section E CRYSTALLOGRAPHIC COMMUNICATIONS |
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![[Figure 1]](hb6258fig1mag.jpg)
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Figure 1
The asymmetric unit of (I), showing 50% probability displacement ellipsoids and arbitrary spheres for the H atoms. The mixture of trigonal (B1, B2, B4, B6 and B8) and tetrahedral (B3, B5 and B7) B atoms and the three-coordinate O8 species are evident. |
![[Figure 1]](hb6258fig1.jpg)
| CRYSTALLOGRAPHIC COMMUNICATIONS |
ISSN: 2056-9890
