Zum Ligandenaustausch an TcNX4−-Komplexen (X = Cl,Br) |
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Authors: | U Abram S Abram H Spies R Kirmse J Stach K Khler |
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Institution: | U. Abram,S. Abram,H. Spies,R. Kirmse,J. Stach,K. Köhler |
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Abstract: | Ligand-Exchange Reactions on TcNX4? Complexes (X = Cl, Br) Ligand exchange reactions on the nitridotechnetium(VI) compounds (Bu4N)TcNCl4 and (Bu4N)TcNBr4 are reported. The use of various organic ligands having different donor atom sets produces TcV nitrido complexes. The reaction of (Bu4N)TcNCl4 with (Bu4N)TcNBr4 is characterized by the formation of TcVI complex species with mixed Cl/Br coordination spheres. EPR detection of the mixed-ligand complexes results in a well-defined dependence of the EPR parameters on the composition of the first coordination sphere of the complexes. |
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