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Figure 1 . The structure of the polyanion in compound (I). Displacement ellipsoids are drawn at the 50% probability level for all non-H atoms. The latter are displayed as spheres of arbitrary radius. |
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Figure 1 . The structure of the polyanion in compound (I). Displacement ellipsoids are drawn at the 50% probability level for all non-H atoms. The latter are displayed as spheres of arbitrary radius. |