Abstract

The bioorganometallic platinum(II) compounds PtU6 and PtU5 were designed by the conjugation of the corresponding uracil derivative and the organoplatinum(II) compound [4-octyloxy-(C^N^N)PtCl]. The single crystal X-ray structure determination of PtU6 revealed the formation of the dimeric structure through intermolecular hydrogen bonds between the uracil moieties of two independent molecules, wherein each hydrogen-bonded dimer was connected through Pt(II)-Pt(II) and π-π interactions. The tuning of the emission properties of the organoplatinum(II) compounds was achieved by changing the direction of hydrogen bonding sites and the molecular scaffold having two 2,6-dihexamidopyridine moieties as a complementary hydrogen bonding site for the uracil moiety, which depends on the regulation of the aggregated structures, to induce the Pt(II)-Pt(II) and π-π interactions.

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