Research Letter

Exchange Interaction in Complex Bis[(1,3-Dithiole-2-Thione-4,5-Dithiolato)-di-(Carbonyl)-Cyclopentadienyl Iron(II)]

Table 1

Basic parameters of the Mössbauer spectra of complex ( 𝐈 ). Symbols: 𝛿 -value of isomer shift; -value of quadrupole splitting; Γ1/2-halfwidth of the line; S-relative probability of the effect.

𝑇 , KCenter 𝛿 mm/s mm/sΓ1/2 mm/s 𝑆 %

300Fe0.39 ( 1 ) 1.09 ( 1 ) 0.26 ( 1 ) 48.8 ( 1 )
F e 0.40 ( 1 ) 0.64 ( 1 ) 0.41 ( 1 ) 51.2 ( 1 )
77Fe0.46 ( 1 ) 1.11 ( 1 ) 0.31 ( 1 ) 50.8 ( 1 )
F e 0.50 ( 1 ) 0.69 ( 1 ) 0.41 ( 1 ) 49.2 ( 1 )