Anion-Dependent Synthesis of Cu(II) Complexes with 2-(1H-Tetrazol-5-yl)-1H-indole: Synthesis, X-Ray Structures, and Radical Scavenging Activity

Table 4

Short ring interactions with respective distances (Å) and angles (°) for 1 and 2^a.

Cg(I)	Cg(J)	d(Cg(I)···Cg(J))	d(CgI···Perp)	d(CgJ···Perp)	γ
1 ^b
Cg1	Cg2 (1 − x, 1 − y, 1 − z)	3.6182 (10)	3.4624 (7)	3.5106 (7)	16.9
Cg2	Cg1 (1 − x, 1 − y, 1 − z)	3.6182 (10)	3.5107 (7)	3.4623 (7)	14.0
2 ^c
Cg1	Cg2 (1 − x, 1 − y, 1 − z)	3.5806 (12)	3.3970 (8)	3.5078 (8)	18.4
Cg2	Cg1 (1 − x, 1 − y, 1 − z)	3.5806 (12)	3.5078 (8)	3.3970 (8)	11.6

^aCg = centroid, CgI···Perp = perpendicular distance of Cg(I) on ring J; CgJ···Perp = perpendicular distance of Cg(J) on ring I; γ = angle Cg(I) ⟶ Cg(J) vector and normal to plane J. ^b Cg1 is centroid of ring defined by N12-C12-C22-C32-C42-C122 atoms; Cg2 is centroid of ring defined by C42-C52-C62-C72-C112-C122 atoms. ^cCg1 is centroid of ring defined by C42-C52-C62-C72-C112-C122 atoms; Cg2 is centroid of ring defined by C44-C54-C64-C74-C84-C94 atoms.