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Cu(ii) and Zn(ii) complexes with a poly functional ligand derived from o vanillin and thiophene Crystal structure, physicochemical properties, theoretical studies and cytotoxicity assays against human breast cancer cells

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Academic year: 2020

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Figure  1:  View  of  [Cu(oVATPNH2) 2 ]  (CuL 2 )  (left)  and  [Zn(oVATPNH2) 2 ]  (ZnL 2 )  (right)  showing  the  labeling  of  the  non-H  atoms  and  their  displacement  ellipsoids  at  the  30%  probability  level
Table 1. Crystal data and structure refinement for [Cu(oVATPNH2) 2 ] (I) and [Zn(oVATPNH2) 2 ] (II)  CuL 2 ZnL 2 Empirical formula   C 26 H 24 N 2 O 4 S 2 Cu  C 26 H 24 N 2 O 4 S 2 Zn  Formula weight  556.13    557.96  Temperature (K)  293(2)    294(2)
Figure 2. Crystal packing of CuL 2  (left) and ZnL (right)
Figure 3. IR spectra of the oVATPNH2 ligand (L) and the complexes CuL 2  and ZnL 2
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