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FT-IR investigations of BEDO-TTF and radical salts of BEDO-TTF

1993; Elsevier BV; Volume: 56; Issue: 1 Linguagem: Inglês

10.1016/0379-6779(93)90456-7

1879-3290

J. Moldenhauer, K.I. Pokhodnia, D. Schweitzer, I. Heinen, H. J. Keller,

Organometallic Compounds Synthesis and Characterization

We investigated powder absorption spectra of the donor BEDO-TTF and some radical salts of BEDO-TTF, which are metals even at low temperatures. After an assignment of the bands in the neutral donor we found in the radical salts different vibrational frequencies of bands correlated with C-O vibrations. These frequencies are directly related to the average charge on the donor molecule. Additionally frequencies of CH2-stretching vibrations exhibit differences, which can be ascribed to a varying strength of donor-anion interaction depending on the respective anion.