Synthesis, Crystal Structures, and DNA Binding Properties of Zinc(II) Complexes with 3-Pyridine Aldoxime

Table 1

Crystallographic data for complexes 1 ⋅H₂O and 2.

Parameter	1 ⋅H2O	2
Formula	C16H22N2O6Zn	C20H24N4O10Zn2
Fw	403.73	611.17
Space group	P21/n	P-1
a (Å)	10.531(4)	7.934(5)
b (Å)	15.779(5)	10.153(6)
c (Å)	11.602(4)	8.392(5)
𝛼 (∘)	90	70.05(2)
𝛽 (∘)	101.17(1)	87.34(2)
𝛾 (∘)	90	89.07(3)
V (Å^3)	1891.4(11)	634.8(7)
Z	4	1
T (^∘C)	25	25
Radiation	Mo K𝛼	Cu K𝛼
𝜌calcd (g cm^−3)	1.418	1.599
𝜇 (mm^−1)	1.331	2.856
Reflections with 𝐼>2𝜎(𝐼)	2865	1585
𝑅^𝑎1	0.0302	0.0438
𝑤𝑅^𝑎2	0.0785	0.1125

^𝑎𝑤=1/[𝜎²(𝐹²_𝑜)+(𝛼𝑃)²+𝑏𝑃] and 𝑃=(max𝐹²_o,0)+2𝐹²_c)/3
𝑅₁=Σ(|𝐹_o|-|𝐹_o|)/Σ(|𝐹_o|) and 𝑤𝑅₂={Σ[𝑤(𝐹𝑜²-𝐹²_𝑐)²]/Σ[𝑤(𝐹²_o)²]}^1/2.