The title compound, (C(3)H(12)N(2))[Cr(2)O(7)], consists of a discrete dichromate anion with an eclipsed conformation and a propane-1,3-diammonium cation. Both kinds of ions have a mirror plane passing through the bridging O atom and the central methyl-ene C atom of the Cr(2)O(7) (2-) and C(3)H(12)N(2) (2+) moieties, respectively. Anions and cations are alternately stacked to form columns parallel to the b axis. Ions are linked by intra- and inter-column hydrogen bonds of types N-H⋯O and C-H⋯O, involving O atoms of the dichromate anions as acceptors, and ammonium or methyl-ene groups as donors.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3414122 | PMC |
| http://dx.doi.org/10.1107/S1600536812031042 | DOI Listing |
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