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Figure 1 Representation of a single [Si2O7]-unit. Ellipsoids are drawn at the 60% probability level. [Symmetry codes: (i) x, y, −1 + z (ii) −x, y, −z (iii) −x, y, 1 − z (iv) x, −y, −1 + z]. |
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Figure 1 Representation of a single [Si2O7]-unit. Ellipsoids are drawn at the 60% probability level. [Symmetry codes: (i) x, y, −1 + z (ii) −x, y, −z (iii) −x, y, 1 − z (iv) x, −y, −1 + z]. |