Extended Data Fig. 5: 31P{1H} NMR spectra for chemical capture and release of UO22+.
From: Redox-switchable carboranes for uranium capture and release
Reactions were carried out in a PC:benzene (3:1) solvent mixture with a MeCN-d3 capillary tube insert using Mes3P as the analytical standard. A relaxation delay of 30 s was used to obtain accurate integrations of all species (see Methods). a, 31P{1H} NMR spectrum of 4.0 equiv. TPO and 2.0 equiv. 1. b, 31P{1H} NMR spectrum of 4.0 equiv. TPO and 2.0 equiv. 1 in the presence of 0.5 equiv. [UO2Cl2(THF)2]2. c, 31P{1H} NMR spectrum of 4.0 equiv. \({{\rm{CoCp}}}_{2}^{\ast }\) added to the reaction in b. d, 31P{1H} NMR spectrum after addition of 4.0 equiv. [Fc][PF6] to the reaction in c. The reaction conditions are detailed in Methods.
