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Caesiumpertechnetat
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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Caesiumpertechnetat, CsTcO4, ist eine chemische Verbindung des Caesiums aus der Gruppe der Pertechnetate.
Contents
β’ Eigenschaften
β’ Einzelnachweise
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Gewinnung und Darstellung
Caesiumpertechnetat kann durch die Reaktion von Caesiumcarbonat und Ammoniumpertechnetat hergestellt werden.cite-ref-chemical-trends-in-solid-alkali-pertechnetates-3-0[3]
Cs 2 CO 3 + 2 NH 4 TcO 4 βΆ βΆ 2 CsTcO 4 + ( NH 4 ) 2 CO 3 {\displaystyle {\ce {Cs2CO3 + 2 NH4TcO4 -> 2 CsTcO4 + (NH4)2CO3}}}
Eigenschaften
Die Kristallstruktur von Caesiumpertechnetat besitzt die Raumgruppe Pnma (Raumgruppen-Nr. 62)Vorlage:Raumgruppe/62. Die Gitterparameter sind a = 572,6 pm, b = 592,2 pm und c = 1436 pm.cite-ref-technetium-chemistry-and-radiopharmaceutical-applications-1-2[1] Der Abstand der TcβO-Bindung betrΓ€gt 164,0 pm und der Winkel der OβTcβO-Bindung bei 112,9Β°.cite-ref-chemical-trends-in-solid-alkali-pertechnetates-3-1[3]
Einzelnachweise
cite-note-technetium-chemistry-and-radiopharmaceutical-applications-11. Klaus Schwochau: Technetium: Chemistry and Radiopharmaceutical Applications. John Wiley & Sons, 2008, ISBN 3-527-61337-4, S. 129.
cite-note-nv-21. Die von der RadioaktivitΓ€t ausgehenden Gefahren gehΓΆren nicht zu den einzustufenden Eigenschaften nach der GHS-Kennzeichnung. In Bezug auf weitere Gefahren wurde dieser Stoff entweder noch nicht eingestuft oder eine verlΓ€ssliche und zitierfΓ€hige Quelle hierzu wurde noch nicht gefunden.
cite-note-chemical-trends-in-solid-alkali-pertechnetates-33. β Jamie Weaver, Chuck Z. Soderquist, Nancy M. Washton, Andrew S. Lipton, Paul L. Gassman, Wayne W. Lukens, Albert A. Kruger, Nathalie A. Wall, John S. McCloy: Chemical Trends in Solid Alkali Pertechnetates. Inorg. Chem., Februar 2017, S. 2533β2544, doi:10.1021/acs.inorgchem.6b02694.