A novel eight-coordinated dinuclear Ca(II) complex, [Ca
2(L)
2(H
2O)
10]·H
2O (L = 4-formylbenzene-1,3-disulfonate-3-pyridinecarboxylic hydrazone) (
1), was synthesized by the reaction of 3-pyridinecarboxylic hydrazide, disodium 4-formylbenzene-1,3-disulfonate, and Ca(ClO
4)
2·4H
2O in
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A novel eight-coordinated dinuclear Ca(II) complex, [Ca
2(L)
2(H
2O)
10]·H
2O (L = 4-formylbenzene-1,3-disulfonate-3-pyridinecarboxylic hydrazone) (
1), was synthesized by the reaction of 3-pyridinecarboxylic hydrazide, disodium 4-formylbenzene-1,3-disulfonate, and Ca(ClO
4)
2·4H
2O in ethanol-water solution (v:v = 3:1) at 50 °C. Complex
1 was characterized by elemental analysis, IR,
1H-NMR,
13C-NMR, and X-ray single crystal diffraction analysis. Dinuclear Ca(II) complex
1 belongs to triclinic, space group
P-1 with
a = 7.186(3) Å,
b = 11.978(5) Å,
c = 12.263(5) Å,
α = 90.318(5)°,
β = 91.922(5)°,
γ = 96.797(5)°,
V = 1047.5(8) Å
3,
Z = 1,
Dc = 1.685 mg·m
−3,
μ = 0.572 mm
−1,
F(000) = 552, and final
R1 = 0.0308,
ωR2 = 0.0770. Dinuclear Ca(II) molecules form a 1D chained structure by π–π stacking interaction. The 1D chains form a 3D framework structure by the π–π stacking interaction and hydrogen bonds. The in vitro cytotoxic activity activity of
1 against
HL-60 and
MLTC-1 was also investigated.
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