Lanthanide−Potassium Wheels

Mixed potassium−lanthanide wheel-shaped-structured, hexanuclear coordination oligomers of composition [(η5-C5H5)Ln(NPh2)2{N(PPh2)2}2K2(THF)4]2 (Ln = Er (1a), Yb (1b)) and an octanuclear coordination polymer of composition [(η5-C5H5)Sm(NPh2)2{N(PPh2)2}K]∞ (2) were synthesized. All presented compounds...

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Bibliographic Details
Published in:Inorganic chemistry 2005-08, Vol.44 (17), p.5963-5965
Main Authors: Gamer, Michael T, Roesky, Peter W
Format: Article
Language:English
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Summary:Mixed potassium−lanthanide wheel-shaped-structured, hexanuclear coordination oligomers of composition [(η5-C5H5)Ln(NPh2)2{N(PPh2)2}2K2(THF)4]2 (Ln = Er (1a), Yb (1b)) and an octanuclear coordination polymer of composition [(η5-C5H5)Sm(NPh2)2{N(PPh2)2}K]∞ (2) were synthesized. All presented compounds can be obtained in moderate yields in a one-pot procedure, in which the potassium salts KNPh2 and [K(THF) n N(PPh2)2] as well as NaC5H5 are reacted with anhydrous samarium, erbium, and ytterbium trichloride in THF.
ISSN:0020-1669
1520-510X
DOI:10.1021/ic050557l