Triamidoamine-uranium(IV)-stabilized terminal parent phosphide and phosphinidene complexes

Gardner, Benedict M., Balázs, Gábor, Scheer, Manfred, Tuna, Floriana, McInnes, Eric J.L., McMaster, Jonathan, Lewis, William, 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 1521-3773

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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.

Item Type: Article
Keywords: density functional calculations; multiple bonds; phosphides; phosphinidene; uranium
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Chemistry
Identification Number:
Depositing User: Lewis, William
Date Deposited: 28 Sep 2017 11:01
Last Modified: 04 May 2020 16:46

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