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The complex [NaYb(C(5)H(5))(3)] (C(5)H(5) = cyclopentadienyl), prepared from Yb(C(5)H(5))(3) and sodium naphthalenide in tetrahydrofuran (thf) or from Yb(C(5)H(5))(2) and Na(C(5)H(5)) in tetrahydrofuran and crystallized at approximately 400 C (less than E-4 mm Hg), is a three-dimensional polymer in which µ-eta(5):eta(5)-C(5)H(5) groups link sodium and ytterbium (each metal having a pseudo-triangular arrangement of C(5)H(5) ligands); Yb(C(5)H(5))(2), similarly crystallized, has a polymeric chain structure with one terminal and two bridging C(5)H(5) ligands per ytterbium, and there is eta(1)-bonding between adjacent chains.

Additional information

Authors: APOSTOLIDIS C, JRC Karlsruhe (DE);DEACON G B ET AL, Monash University, Chemistry Department, Clayton (AU);DORNBERGER E ET AL, Forschungszentrum, Karlsruhe GmbH (DE);EDELMANN F T, Otto-von-Guericke-Universität, Chemisches Institut, Magdeburg (DE);STALKE D, Universität Würzburg, Institut für Anorganische Chemie (DE)
Bibliographic Reference: Article: Chem. Commun. (1997) pp. 1047-1048
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