Abstract:Two piperazine guest supramolecular inclusion complexes, (1) [MePa][Zn(H2PO4)2] (MePa = methylpiperazine, C5H12N2) and (2) [Pa][PHBA]·H2O (Pa = piperazine, C4H10N2; PHBA = p-hydroxybenzoic acid, C7H5O3) has been investigated structurally in the solid state. The host [Zn(H2PO4)2]n in (1) forms a rigid grommet to wrap the guest [MePa] in the grommet channel. The host PHBA in (2) with water molecules form rectangular building blocks from four directions, leaving cylindrical channels to the guest Pa. The guest pip… Show more
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