Table 7.

Bond angles (°) and important optimum bond lengths (Å) of [Cr(L1)(H₂O)₂Cl₂] and [Cr(L2)(H₂O)₂Cl₂].

Type of bond	Bond length (Å) Cr(L1)Cr(L2)	Type of bond	Bond length (Å) Cr(L1)Cr(L2)
Cr–N1	2.020 2.027	Cr–O4	2.075 2.084
Cr–O2	1.873 1.858	Cr–Cl1	2.379 2.381
Cr–O3	2.042 2.053	Cr–Cl2	2.375 2.394
Type of bond	Angle (°) Cr(L1)Cr(L2)	Type of bond	Angle (°) Cr(L1)Cr(L2)
N1–Cr– O2 N1–Cr–O3 O2–Cr–O4 O3–Cr–O4 Cl1–Cr–N1 Cl1–Cr–O2 Cl1–Cr–O3 Cl1–Cr–O4	91.24 90.61 93.86 94.97 86.16 87.27 88.73 87.14 96.77 92.66 97.07 96.06 84.07 82.44 84.32 87.15	Cl2–Cr–N1 Cl2–Cr–O2 Cl2–Cr–O3 Cl2–Cr–O4 N1–Cr–O4 O2–Cr–O3 Cl1–Cr–Cl2 N1–O2–O4–O3	96.77 97.26 97.07 97.19 82.44 83.39 84.07 83.43 177.3 177.8 174.6 174.3 163.7 163.3 0.623* 0.571*

*dihedral angle.