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Figure 2
The polyhedral layer in iranite. The Cu1 atoms are in octa­hedra that are corner-linked to the Si1O4 and Cr3O4 tetra­hedra. The Cr1O4 and Cr2O4 tetra­hedra are isolated. The spheres represent the OH groups. The coordinates of atom Cr1 are at (−x, −y, −z).

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 63| Part 12| November 2007| Pages i122-i124
doi:10.1107/S0108270107053449
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