Table 3: Hydrogen bonds (Å and °) and selected bond lengths (Å) and torsion angles (°).

D–H A (D–H) (H A) (D A)<(DHA)

O1–H(1O) Cl10.812(18)2.21(2)2.999(3)165(4)
O2–H(2O) Cl10.821(18)2.16(2)2.965(4)167(4)
O3–H(3O) Cl20.827(18)2.21(2)3.021(3)165(4)
O4–H(4O) Cl20.823(19)2.14(2)2.952(3)170(4)
N2–H(2N) N10.902(18)1.69(2)2.574(4)164(4)
N4–H(4N) N30.904(19)1.71(2)2.586(4)163(4)

Selected bond lengths: O1–N1 1.390(4), O2–N2 1.374(4), O3–N3 1.392(3), O4–N4 1.374(3), N1–C11 1.283(4), N2–C18 1.289(4), N3–C35 1.286(4), N4–C42 1.290(4), C6–C18 1.461(4), C10–C11 1.478(4), C30–C42 1.464(4), C34–C35 1.469(4) and Cp-rings: C6–C10 1.458(4), C6–C7 1.437(4), C7–C8 1.412(4), C8–C9 1.416(5), C9–C10 1.427(4), C30–C34 1.472(4), C30–C31 1.439(4), C31–C32 1.409(4), C32–C33 1.410(5), and C33–C34 1.435(4).
Selected torsion angles: C6–C10–C11–N1 20.4(5), C10–C6–C18–N2 −14.3(5), C30–C34–C35–N3 −20.4(5), and C34–C30–C42–N4 17.2(5).