Dataset Open Access

Data for: Enantiomerically pure Tetravalent Neptunium Amidinates: Synthesis and Characterization

Fichter, Sebastian; Kaufmann, Sebastian; Kaden, Peter; Brunner, Tobias S.; Stumpf, Thorsten; Roesky, Peter W.; März, Juliane


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    <subfield code="a">Data for: Enantiomerically pure Tetravalent Neptunium Amidinates: Synthesis and Characterization</subfield>
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    <subfield code="a">&lt;p&gt;The synthesis of a tetravalent neptunium amidinate [NpCl((S)‐PEBA)3] (1) ((S)‐PEBA=(S,S)‐N,N&amp;prime;‐bis‐(1‐phenylethyl)‐benzamidinate) is reported. This complex represents the first structurally characterized enantiopure transuranic compound. Reactivity studies with halide/pseudohalides yielding [NpX((S)‐PEBA)3] (X=F (2), Br (3), N3 (4)) have shown that the chirality‐at‐metal is preserved for all compounds in the solid state. Furthermore, they represent an unprecedented example of a structurally characterized metal&amp;ndash;organic Np complex featuring a Np&amp;minus;Br (3) bond. In addition, 4 is the only reported tetravalent transuranic azide. All compounds were additionally characterized in solution using para‐magnetic NMR spectroscopy showing an expected C3‐symmetry at low temperatures.&lt;/p&gt;</subfield>
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