Abstract
The title layered double salt Mn3(OH)2(SO4)2(H2O)2·K2SO4 (1) was obtained from a simple hydrothermal reaction of CdSO4·8/3H2O, MnCl2·4H2O, α-aminopyridine (apy) and KI. X-ray analysis reveals that the two-dimensional (2-D) sheet of 1 is built up of the dimers of edge-sharing Mn(1) octahedral, extended by the apices of Mn(2) octahedral together with μ3 and μ4 SO4 groups. With free K+ ion as guest species, the 2-D sheets are further self-assembled into a 3-D supramolecular network with 1-D channels through the Ow-H⋯O hydrogen-bonded interactions. The magnetic property of 1 was investigated, and a classical behavior is observed with an antiferromagnetic order below 12.5K.
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