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This is an Open Access article under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Proposed binding mode of complex 7 to gold (left: van der Waals representation of the [Ni2L(L5)]+ cation; right: representation with a Lewis formula. The macrocycle is shown as an ellipse encircling the two Ni2+ ions for clarity.