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Figure 2
Parts of the crystal structure showing five distorted body-centered cubes sharing Pr2—Pr3 edges (polyhedral drawing). Si1 and Si2 atoms form dimers with atoms Si2 and Si1, respectively, of the adjacent unit. |
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Figure 2
Parts of the crystal structure showing five distorted body-centered cubes sharing Pr2—Pr3 edges (polyhedral drawing). Si1 and Si2 atoms form dimers with atoms Si2 and Si1, respectively, of the adjacent unit. |