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Synthesis, Structure and Properties of ErNb2(OPri)13

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Abstract

The molecular alkoxide, ErNb2(OPri)13 was prepared by metathesis with 2KNb(OPri)6, KOPri and ErCl3, and structurally determined by single-crystal X-ray diffraction techniques. Each molecule contains a central Er3+-ion coordinated by six OPri groups of which one is terminal. On each side is an Nb5+-ion coordinated by six OPri groups placed, one via a double alkoxo-bridge and the other via a triple alkoxo-bridge. It is isostructural with LaNb2(OPri)13, in spite of the large difference in ionic radius between Er3+ and La3+ (16%). The compound was characterized by its IR- and UV-vis-NIR-spectroscopic fine structures, and found to be structurally intact in hexane:isopropanol solution.

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Authors and Affiliations

  1. Department of Structural Chemistry, Arrhenius Laboratory, Stockholm University, SE-106 91, Stockholm, Sweden

    Mikael Kritikos

  2. Department of Materials Chemistry, Ångström Laboratory, Uppsala University, SE-751 21, Uppsala, Sweden

    Gunnar Westin

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  1. Mikael Kritikos
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  2. Gunnar Westin
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Correspondence to Gunnar Westin.

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Kritikos, M., Westin, G. Synthesis, Structure and Properties of ErNb2(OPri)13. J Sol-Gel Sci Technol 32, 25–29 (2004). https://doi.org/10.1007/s10971-004-5759-7

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  • DOI: https://doi.org/10.1007/s10971-004-5759-7

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