N,N-Dialkylcarbamato Lanthanide Complexes, a Series of Isotypical Coordination Compounds

The preparations of the N,N‐dialkylcarbamato complexes with analytical formulae [Ln(O2CNR2)3] (Ln = Pr, Nd, Eu, Gd, Ho, Er, Yb, Lu, R = iPr; Ln = Nd, Eu, Gd, R = Bu; Ln = Nd, R = Et), using [LnCl3(ether)x] (ether = THF or dimethoxyethane, DME), NHR2, and CO2 are reported. X‐ray diffraction of the di...

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Bibliographic Details
Published in:European journal of inorganic chemistry 2004-03, Vol.2004 (6), p.1219-1224
Main Authors: Baisch, Ulrich, Belli Dell'Amico, Daniela, Calderazzo, Fausto, Labella, Luca, Marchetti, Fabio, Merigo, Alessandra
Format: Article
Language:English
Subjects:
Coordination modes
Lanthanide contraction
Lanthanides
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Summary:The preparations of the N,N‐dialkylcarbamato complexes with analytical formulae [Ln(O2CNR2)3] (Ln = Pr, Nd, Eu, Gd, Ho, Er, Yb, Lu, R = iPr; Ln = Nd, Eu, Gd, R = Bu; Ln = Nd, R = Et), using [LnCl3(ether)x] (ether = THF or dimethoxyethane, DME), NHR2, and CO2 are reported. X‐ray diffraction of the diisopropylcarbamato derivatives, including a reinvestigation of [Yb4(O2CNiPr2)12], showed these complexes to be tetranuclear and isotypical over a range of 12 atomic numbers. The lanthanide contraction has been evaluated based on the lengths of four different types of Ln−O bond. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)
ISSN:1434-1948
1099-0682
DOI:10.1002/ejic.200300649