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Figure 1
The crystal structure of NaIn(CrO4)2·2H2O in views (a) along [010], in the direction of the infinite kröhnkite-type octa­hedral–tetra­hedral [In(CrO4)2(H2O)2]− chains, and (b) along [110], allowing a suitable top view of the kröhnkite-type chains. InO4(H2O)2 octa­hedra are bridged by CrO4 tetra­hedra. The inter­calated Na+ cations (shown as spheres) are octa­hedrally coordinated (compare with Fig. 2[link]). The hydrogen bonding is indicated by dashed lines and the unit cell is outlined.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 62| Part 5| April 2006| Pages i35-i37
doi:10.1107/S0108270106012996
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