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Crystal structure and biological activities of a new proton-transfer material

A novel hybrid phosphite was synthesized using 1,4diaminobutane (dabn) as structure-directing agent using slow evaporation method. Single crystal X-ray diffraction analysis shows that it crystallizes in the triclinic system (S.G: P1). The crystal structure is built up from corner sharing [CoO6] octahedrons running in a form of chain along [001], interconnected by H2PO3 pseudo-pyramid units. The diprotonated organic molecule residing between the parallel chains, interacts with the inorganic moiety via hydrogen bonds leading thus to the formation of a three dimensional network. The biological tests exhibit significant activity against C. albicans and E. coli strains in all used concentrations while less activity was pronounced when tested against S. epidermidis, S. cerevisiae whilst there was no activity against the nematode model S. feltiae.