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

Table 2

Hydrogen bonds (Å) and angles (°) for H₂L·MeOH, 1 and 2.

D-H···A	d(D-H)	d(H···A)	d(D···A)	<(D-H···A)
H2L·MeOH^a
N1-H1N1⋯O1	0.89	1.79	2.682 (2)	174.3
N5-H1N5⋯N4^i	0.91	2.07	2.947 (2)	162.3
O1-H1⋯N3^ii	0.84	1.97	2.795 (2)	166.2
1
N53-H1N5⋯O1W	0.88	2.00	2.8660 (18)	166.9
O1W-H1O1⋯O1D	0.83	1.91	2.7377 (18)	173.7
O1W-H2O1⋯O2D	0.91	1.87	2.7651 (18)	167.1
2 ^b
N53-H1N3⋯N24^i	0.94	2.33	3.144 (2)	143.9
N53-H1N3⋯N14^i	0.94	2.69	3.388 (2)	131.6
N54-H1N4⋯N23^ii	0.93	2.31	3.098 (2)	143.0
O1E-H1E···N13	0.84	2.12	2.939 (2)	164.1

Symmetry transformations used to generate equivalent atoms. ^ai: −x + 1, y, −z + 3/2; ii: x, −y + 1, z−1/2, ^bi: −x + 1, −y + 2, −z + 1; ii: −x + 1, −y + 1, −z + 1.