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Figure 3
Detail of (I), showing the Ca2+ ion within its 18-atom ring. The H3B2O5 units above and below the plane have been removed for clarity. Colour key: Ca green, other atom colours as in Fig. 2 ![]() |
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Figure 3
Detail of (I), showing the Ca2+ ion within its 18-atom ring. The H3B2O5 units above and below the plane have been removed for clarity. Colour key: Ca green, other atom colours as in Fig. 2 ![]() |