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


Benedict M. Gardner

Manfred Scheer

Floriana Tuna

Eric J.L. McInnes

William Lewis

Alexander J. Blake

Stephen T. Liddle


Reaction of [U(TrenTIPS)(THF)][BPh4] (1; TrenTIPS=N{CH2CH2NSi(iPr)3}3) with NaPH2 afforded the novel f-block terminal parent phosphide complex [U(TrenTIPS)(PH2)] (2; U–P=2.883(2) Å). 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(TrenTIPS)(PH)][K(B15C5)2] (4; U[DOUBLE BOND]P=2.613(2) Å). DFT calculations reveal a polarized-covalent U[DOUBLE BOND]P bond with a Mayer bond order of 1.92.


Gardner, B. M., Balázs, G., Scheer, M., Tuna, F., McInnes, E. J., McMaster, J., …Liddle, S. T. (2014). Triamidoamine-Uranium(IV)-Stabilized Terminal Parent Phosphide and Phosphinidene Complexes. Angewandte Chemie International Edition, 53(17), 4484-4488.

Journal Article Type Article
Acceptance Date Mar 18, 2014
Online Publication Date Mar 18, 2014
Publication Date Apr 22, 2014
Deposit Date Sep 28, 2017
Publicly Available Date Sep 28, 2017
Journal Angewandte Chemie International Edition
Print ISSN 1433-7851
Electronic ISSN 1521-3773
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 53
Issue 17
Pages 4484-4488
Keywords density functional calculations; multiple bonds; phosphides; phosphinidene; uranium
Public URL
Publisher URL


Gardner_et_al-2014-Angewandte_Chemie_International_Edition.pdf (754 Kb)

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