Fig. 4. Solid state structures of 6 (side view) and 7 (side view). For clarity, all hydrogen atoms except the pyrrole N–Hs and all solvent molecules are omitted (displacement ellipsoids are drawn at 50% probability). Selected bond lengths (Å) for 6: U1–O1 1.872(9), U1–O2 1.917(9), O2–Zn1 1.898(9), O1–N4 3.04(1), O1–N5 2.91(1). Selected bond angles: O1–U1–O2 174.6(4)°, U1–O2–Zn1 159.9(5)°. Selected bond lengths for 7: U1–O1 1.867(2), U1–O2 1.909(2), O2–Zn1 1.930(2), O1–N4 2.895(4), O1–N5 2.982(4). Selected bond angles: O1–U1–O2 175.7(1)°, U1–O2–Zn1 175.1(1)°.
