 | Acta Crystallographica Section B Acta Crystallographica Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS |
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![[Figure 2]](dk5034fig2mag.jpg)
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Figure 2
Observed Fourier map of the electron-density distribution in the layers (x1, x4) for Sr3B2.78Si0.22O7.61. Contour intervals are 10 e Å−3 for strontium (a) and 1 e Å−3 for oxygen (b)–(d) positions; x5 = 0 (top row) and x5 = 0.5 (bottom row). Lines in (c) and (d) indicate O1, O2 and O4 with an occupancy above 50%. |
![[Figure 2]](dk5034fig2.jpg)
| STRUCTURAL SCIENCE CRYSTAL ENGINEERING MATERIALS |
ISSN: 2052-5206
