The first tetrameric cation–cation neptunyl(V) cluster, [{NpO2(salen)}4(μ8-K)2][K(18C6)Py]2, has been synthesized in non-aqueous solution from the reaction of [(NpO2Py5)(KI2Py2)]n with K2salen and its structure determined in the solid state and in solution where the complex retains its tetrameric form.
Dalton Transactions
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