Unstable intermediates. Part CXLI. Electron spin resonance spectra of various tin and lead centres in their irradiated salts
Abstract
In addition to Sn3+ and Pb3+ centres previously reported, the following have been detected in a range of tin(II) and lead(II) salts after exposure to 60Co γ rays at 77 K: Sn+[in Sn(OAc)2]; Pb+[in Pb(OAc)2]; SnH2+(in SnSO4): PbH2+[in Pb(ClO4)2]; CO2–(Pb2+)[in Pb(HCO2)2]; H2ĊCO2–(Pb2+)[in Pb(MeCO2)2]; and ClO2(Pb2+)[in Pb(ClO4)2]. After attempting to justify these identifications, the electronic structure of these centres is discussed in the light of the e.s.r. parameters.
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