Research Article

Synthesis, Crystal Structures, and Antimicrobial and Antitumor Studies of Two Zinc(II) Complexes with Pyridine Thiazole Derivatives

Table 1

Crystallographic data and structure refinement summary for ligand L2 and complexes 1-2.

L212

Empirical formulaC14H11N5SC42H36N10O6S4ZnC20H26Br3N7O2SZn
Mw281.34970.44733.64
Crystal systemMonoclinicMonoclinicMonoclinic
a (Å)8.5684(5)17.614(2)8.3543(5)
b (Å)11.3512(6)20.6571(13)20.0129(13)
c (Å)13.5596(8)17.620(2)16.2751(11)
α (°)909090
β (°)107.149(6)112.260(15)94.611(6)
γ (°)909090
3)1260.19(13)5933.2(12)2712.3(3)
Space groupP21/nP21/cP21/n
Density (g·cm−3)1.4831.0461.797
Z444
μ (mm−1)2.2540.5975.433
Temperature (K)100100100
F(000)58418571448
Crystal size (mm3)0.12 × 0.1 × 0.080.12 × 0.11 × 0.080.12 × 0.11 × 0.1
Radiation(Cu-Kα) 1.54184(Mo-Kα) 0.71073(Mo-Kα) 0.71073
Index ranges−10 ≤ h ≤ 8, −13 ≤ k ≤ 9, −16 ≤ l ≤ 16−24 ≤ h ≤ 22, −28 ≤ k ≤ 22, −23 ≤ l ≤ 24−10 ≤ h ≤ 11, −25 ≤ k ≤ 26, −21 ≤ l ≤ 11
θ range for data collection (°)5.1730–72.89602.2960–23.17302.7030–26.5730
Goodness-of-fit on F21.0281.0251.047
Reflections collected47563303414560
Independent reflections2468 [Rint = 0.0399, Rsigma = 0.0544]14148 [Rint = 0.1101, Rsigma = 0.2110]6500 [Rint = 0.0455, Rsigma = 0.0794]
Final R indexes [I ≥ 2σ(I)] R1, ωR20.0430, 0.09850.1018, 0.24000.0571, 0.1240
Final R indexes [all data] R1, ωR20.0578, 0.10630.1860, 0.28720.0897, 0.1391
Data/restraints/parameters2468/0/18114148/85/4986500/101/398
Largest diff. peak/hole (e Å−3)0.685/−0.4901.691/−2.5710.86/−1.72