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Figure 4 . Interconnections of sodium octahedra in the crystal structure. Symetrie codes:i(x, −1+y, 1+z); ii(1-x,1-y, 1-z); iii(1+x, 1+y, z) iv(1-x, 2-y, 1-z); v(2-x, 1-y, 1-z) |
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Figure 4 . Interconnections of sodium octahedra in the crystal structure. Symetrie codes:i(x, −1+y, 1+z); ii(1-x,1-y, 1-z); iii(1+x, 1+y, z) iv(1-x, 2-y, 1-z); v(2-x, 1-y, 1-z) |