In:
Rapid Communications in Mass Spectrometry, Wiley, Vol. 36, No. 8 ( 2022-04-30)
Kurzfassung:
Building on our report that collision‐induced dissociation (CID) can be used to create the highly reactive U‐alkylidyne species [O=U≡CH] + , our goal was to determine whether the species could be as an intermediate for synthesis of [OUS] + by reaction with carbon disulfide (CS 2 ). Methods Cationic uranyl‐propiolate precursor ions were generated by electrospray ionization, and multiple‐stage CID in a linear trap instrument was used to prepare [O=U≡CH] + . Neutral CS 2 was admitted into the trap through a modified He inlet and precision leak valves. Results The [O=U≡CH] + ion reacts with CS 2 to generate [OUS] + . CID of [OUS] + causes elimination of the axial sulfide ligand to generate [OU] + . Using isotopically labeled reagent, we found that [OUS] + reacts with O 2 to create [UO 2 ] + . Conclusions [O=U≡CH] + proves to be a useful reagent ion for synthesis of [OUS] + , a species that to date has only been created by gas‐phase reactions of U + and U 2+ . Dissociation of [OUS] + to create [OU] + , but not [US] + , and the efficient conversion of the species into [UO 2 ] + , is consistent with the relative differences in U–O and U–S bond energies.
Materialart:
Online-Ressource
ISSN:
0951-4198
,
1097-0231
Sprache:
Englisch
Verlag:
Wiley
Publikationsdatum:
2022
ZDB Id:
2002158-6
ZDB Id:
58731-X
SSG:
11