Synthesis,crystal structure and some properties of new perrhenate and pertechnetate complexes of Nd and Am with 2,6-bis(tetramethylfurano)-1,2,4-triazin-3-yl)-pyridine,tris(2-pyridylmethyl)amine and N,N′-tetraethylmalonamide |
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| Authors: | AM Fedosseev MS Grigoriev IA Charushnikova NA Budantseva ZA Starikova Ph Moisy |
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| Institution: | 1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow 119991, Russia;2. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, ul. Vavilova, 28, Moscow 119991, Russia;3. Commissariat à l’Énergie Atomique (CEA), Valrhô, DEN/DRCP/SCPS, BP 17171, 30207 Bagnols sur Cèze, France |
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| Abstract: | The coordination complexes of trivalent f-element pertechnetates and perrhenates with some N-donor ligands were determined by using X-ray structural analysis: Nd3+ perrhenate with 2,6-bis(tetramethylfurano)-1,2,4-triazin-3-yl)-pyridine (Nd(FBTP)3ReO4](ReO4)2 · 2H2O (I)), tris(2-pyridylmethyl)amine (Nd(TPA)(ReO4)3] (II)) and N,N′-tetraethylmalonamide (Nd(TEMA)4](ReO4)3 (III)). The coordination number of Nd is 10 in I, 9 in II and 8 in III. The complexes of Nd3+ pertechnetate and Am3+ pertechnetate with TPA have been also synthesized (Nd(TPA)(TcO4)3 (IV) and Am(TPA)(TcO4)3 (V)). The structure II does not change on replacement of perrhenate by pertechnetate and neodymium by americium. |
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| Keywords: | Trivalent f-element Pertechnetates Perrhenates Coordination complexes N-donor ligands |
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