Do unusual geometries always come from the force exerted by a protein, a solid-state lattice or bulky ligands? In a new iron(II) complex, simple ligands stabilize a square-planar high-spin complex through finesse rather than force.
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Holland, P. All square for high-spin iron(II). Nature Chem 3, 507–508 (2011). https://doi.org/10.1038/nchem.1078
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DOI: https://doi.org/10.1038/nchem.1078
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