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Solid‐state structures of Zn(2)2 (left) and [Zn(3)Et]2 (right). Thermal ellipsoids shown at 50 % probability. All hydrogen atoms, except those bound to N(1) and N(3) for Zn(2)2, have been omitted for clarity. [Zn(3)Et]2 has a centre of inversion to complete the macrocycle.
