Synthesis and Characterization of the Ligand Based on Benzimidazole and Its Copper Complex: DNA Binding and Antioxidant Activity

Table 2

Selected bond lengths (Å) and angles (°) for [Cu(buobb)₂](pic)₂·2DMF.

Bond lengths	Cu(1)–N(1)	1.973(4)	Cu(1)–N(3)	2.032(4)
	Cu(1)–N(5)	1.998(4)	Cu(1)–N(7)	1.993(4)
	Cu(1)–O(1)	2.486(3)	Cu(1)–O(2)	2.492(4)
Bond angles	N(1)–Cu(1)–N(7)	90.69(15)	N(1)–Cu(1)–N(5)	167.90(17)
	N(7)–Cu(1)–N(5)	89.86(15)	N(1)–Cu(1)–N(3)	89.82(15)
	N(7)–Cu(1)–N(3)	165.70(17)	N(5)–Cu(1)–N(3)	92.62(15)
	N(1)–Cu(1)–O(1)	74.27(14)	N(7)–Cu(1)–O(1)	118.65(14)
	N(5)–Cu(1)–O(1)	94.90(14)	N(3)–Cu(1)–O(1)	75.17(14)
	N(1)–Cu(1)–O(2)	116.15(15)	N(7)–Cu(1)–O(2)	74.50(14)
	N(5)–Cu(1)–O(2)	75.59(14)	N(3)–Cu(1)–O(2)	92.49(14)
	O(1)–Cu(1)–O(2)	164.24(11)