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. 2020 Sep 19;10(9):1336. doi: 10.3390/biom10091336

Figure 1.

Figure 1

ORTEP views of (a) HL1, (b) HL2, (c) [Cu(HL1)Cl2] (1) and (d) [Cu(HL2)Cl2] (2). Selected bond distances (Å) and bond/torsion angles (deg) in HL1: C4–N2 1.350(3), C4–C5 1.422(3), C5–C6 1.455(2), C6–N3 1.290(2), N3–N4 1.4062(19), N4–C7 1.302(2), C7–N5 1.345(2), C7–C8 1.487(2), C8–N6 1.345(2); N3–N4–C7–N5 –1.8(2); H-bond parameters: N2–H···N3 [N2···N3 2.765(2) Å, N2–H···N3 131.0°]; in HL2: C4–N2 1.3514(15), C6–N3 1.2828(14), N3–N4 1.3970(12), N4–C7 1.3044(14), C7–N5 1.3471(14), C7–S 1.7643(11), S1–C8 1.8043(12); C1–N1–C5–C6 –179.31(10), N3–N4–C7–N5 –174.898(10); in 1: Cu–N1 1.997(2), Cu–N4 1.973(2), Cu–N6 2.006(2), Cu–Cl1 2.3255(7), Cu–Cl2 2.5190(6), C6–N3 1.278(4), N3–N4 1.372(3), N4–C7 1.330(3), C7–N5 1.321(3); N1–Cu–N4 91.52(8), N4–Cu–N6 80.12(8), N4–Cu–Cl1 136.54(7), N4–Cu–Cl2 111.58(6); in 2: Cu–N1 2.063(5), Cu–N3 1.960(5), Cu–N5 1.990(4), Cu–Cl1 2.2370(17), Cu–Cl2 2.5517(17), C6–N3 1.281(7), N3–N4 1.369(6), N4–C7 1.370(7), C7–N5 1.300(7); C7–S1 1.747(5), S1–C8 1.804(6), N1–Cu–N3 78.50(19), N3–Cu–N5 78.13(19), N3–Cu–Cl1 162.08(17), N3–Cu–Cl2 100.07(16), C1–N1–C5–C6 175.7(5), N3–N4–C7–N5 0.8(8).