Dataset Open Access
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">transuranium chemistry</subfield>
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<subfield code="a"><p>The synthesis of a tetravalent neptunium amidinate [NpCl((S)‐PEBA)3] (1) ((S)‐PEBA=(S,S)‐N,N&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&ndash;organic Np complex featuring a Np&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.</p></subfield>
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