Triamidoamine-Uranium( IV)-Stabilized Terminal Parent Phosphide and Phosphinidene Complexes**

Gardner, Benedict M. and Balazs, Gabor and Scheer, Manfred and Tuna, Floriana and McInnes, Eric J. L. and McMaster, Jonathan and Lewis, William and Blake, Alexander J. and Liddle, Stephen T. (2014) Triamidoamine-Uranium( IV)-Stabilized Terminal Parent Phosphide and Phosphinidene Complexes**. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 53 (17). pp. 4484-4488. ISSN 1433-7851, 1521-3773

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Abstract

Reaction of [U(Tren(TIPS))(THF)][BPh4] (1; Tren(TIPS)=N{CH2CH2NSi(iPr)(3)}(3)) with NaPH2 afforded the novel f-block terminal parent phosphide complex [U(Tren(TIPS))(PH2)] (2; U-P=2.883(2)angstrom). Treatment of 2 with one equivalent of KCH2C6H5 and two equivalents of benzo-15-crown-5 ether (B15C5) afforded the unprecedented metal-stabilized terminal parent phosphinidene complex [U(Tren(TIPS))(PH)][K(B15C5)(2)] (4; UP=2.613(2)angstrom). DFT calculations reveal a polarized-covalent UP bond with a Mayer bond order of 1.92.

Item Type: Article
Uncontrolled Keywords: CARBENE-LIKE CHEMISTRY; BOND COVALENT RADII; TUNGSTEN COMPLEXES; TITANIUM COMPLEXES; PHOSPHORUS ANALOGS; URANIUM COMPLEX; MULTIPLE BOND; TRIPLE BONDS; U-IV=C; ELEMENTS; density functional calculations; multiple bonds; phosphides; phosphinidene; uranium
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Anorganische Chemie > Chair Prof. Dr. Manfred Scheer
Depositing User: Dr. Gernot Deinzer
Date Deposited: 14 Nov 2019 09:22
Last Modified: 14 Nov 2019 09:22
URI: https://pred.uni-regensburg.de/id/eprint/10301

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