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Title: Uranium and thorium complexes of the phosphaethynolate ion

Abstract

New tris-amidinate actinide (Th, U) complexes containing a rare O-bound terminal phosphaethynolate (OCP⁻) ligand were synthesized and fully characterized. The cyanate (OCN⁻) and thiocyanate (SCN⁻) analogs were prepared for comparison and feature a preferential N-coordination to the actinide metals. The Th(amid) 3(OCP) complex reacts with Ni(COD) 2 to yield the heterobimetallic adduct (amid) 3Th(μ-η 1(O):η 2(C,P)-OCP)Ni(COD) featuring an unprecedented reduced (OCP⁻) bent fragment bridging the two metals.

Authors:
 [1];  [1];  [2];  [3];  [3];  [2];  [1]
  1. Lawrence Berkeley National Lab., Berkeley, CA (United States). Chemical Sciences Div.
  2. Universit´e de Toulouse, Toulouse (France). LPCNO.
  3. Univ. of Oxford, Oxford (United Kingdom). Dept. of Chemisty.
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1214437
Grant/Contract Number:  
AC02-05CH11231; NIH S10-RR027172
Resource Type:
Accepted Manuscript
Journal Name:
Chemical Science
Additional Journal Information:
Journal Volume: 6; Journal Issue: 11; Journal ID: ISSN 2041-6520
Publisher:
Royal Society of Chemistry
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Camp, Clément, Settineri, Nicholas, Lefèvre, Julia, Jupp, Andrew R., Goicoechea, José M., Maron, Laurent, and Arnold, John. Uranium and thorium complexes of the phosphaethynolate ion. United States: N. p., 2015. Web. doi:10.1039/C5SC02150B.
Camp, Clément, Settineri, Nicholas, Lefèvre, Julia, Jupp, Andrew R., Goicoechea, José M., Maron, Laurent, & Arnold, John. Uranium and thorium complexes of the phosphaethynolate ion. United States. doi:10.1039/C5SC02150B.
Camp, Clément, Settineri, Nicholas, Lefèvre, Julia, Jupp, Andrew R., Goicoechea, José M., Maron, Laurent, and Arnold, John. Sat . "Uranium and thorium complexes of the phosphaethynolate ion". United States. doi:10.1039/C5SC02150B. https://www.osti.gov/servlets/purl/1214437.
@article{osti_1214437,
title = {Uranium and thorium complexes of the phosphaethynolate ion},
author = {Camp, Clément and Settineri, Nicholas and Lefèvre, Julia and Jupp, Andrew R. and Goicoechea, José M. and Maron, Laurent and Arnold, John},
abstractNote = {New tris-amidinate actinide (Th, U) complexes containing a rare O-bound terminal phosphaethynolate (OCP⁻) ligand were synthesized and fully characterized. The cyanate (OCN⁻) and thiocyanate (SCN⁻) analogs were prepared for comparison and feature a preferential N-coordination to the actinide metals. The Th(amid)3(OCP) complex reacts with Ni(COD)2 to yield the heterobimetallic adduct (amid)3Th(μ-η1(O):η2(C,P)-OCP)Ni(COD) featuring an unprecedented reduced (OCP⁻) bent fragment bridging the two metals.},
doi = {10.1039/C5SC02150B},
journal = {Chemical Science},
number = 11,
volume = 6,
place = {United States},
year = {2015},
month = {6}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Citation Metrics:
Cited by: 27 works
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Figures / Tables:

Fig. 1 Fig. 1: Left: structure of Re(PCO)(CO)2(triphos) (triphos = MeC(CH3PPh2)3).14 Right: resonance structures for the OCP- anion.

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      Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.