Structures and Photoluminescent Properties of Two Complexes Based on Dipyrido[3,2-a:2?,3?-c]phenazin

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ABSTRAC Two new complexes [Cd(2,4?-bpdc)(DPPZ)]_(2n)·n H_2O(1) and [Zn(2,4?-Hbpdc)_2(DPPZ)]· H_2O(DPPZ = dipyrido[3,2-a:2?,3?-c]phenazine, 2,4?-H_2bpdc = 2,4?-biphenyldicarboxylic acid) have been hydrothermally synthesized. The structure of complex 1 was determined by single-crystal X-ray diffraction diffraction and further characterized by elemental analysis, IR spectrum, powder X-ray diffraction(XRD) and single-crystal X-ray diffraction. Complex 1 has 1D chains, which are further connected by π-π stacking interactions of neighbouring chains, generating a steady 3D supramolecular structure. Complex 2 shows the isolated mononuclear units, which are further extended to a 2D supramolecular layered structure through π-π stacking interactions and hydrogen bonds. Furthermore, complexes 1 and 2 exhibit green photoluminescent properties at room temperature. ABSTRAC Two new complexes [Cd (2,4? -bpdc) (DPPZ)] _ (2n) · n H_2O and [Zn (2,4? -Hbpdc) _2 (DPPZ)] · H_2O [3,2-a: 2?, 3? -c] phenazine, 2,4? -Hbbpdc = 2,4? -biphenyldicarboxylic acid has been hydrothermally synthesized. The structure of complex 1 was determined by single- ray diffraction diffraction and further characterized by elemental analysis, IR spectrum, powder X-ray diffraction (XRD) and single-crystal X-ray diffraction. Complex 1 has 1D chains, which are further connected by π-π stacking interactions of neighboring chains, Complex 2 shows the isolated supramolecular units, which are further extended to a 2D supramolecular layered structure through π-π stacking interactions and hydrogen bonds. Furthermore, complexes 1 and 2 exhibit green photoluminescent properties at room temperature.
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