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The first spectroscopic characterization of the dimeric dicationic fullerene complex [(C(70))(2)](2+)(Ti(3)Cl(13))(-)(2) is reported and supported by DFT calculations. The IR spectrum of the dimer is interpreted in terms of the normal modes of the pristine C(70), and the effects of charging C(70) and the intercage bond formation between C(70) units on the IR spectrum are discussed. Analysis of the vibrational spectrum of the anion, Ti(3)Cl(13)(-), is also provided. NIR absorption and fluorescence spectra of the complex are studied, and the dimer is shown to have a small HOMO-LUMO gap of 0.8 eV. The electronic structure of [(C(70))(2)](2+) is studied with the use of DFT and compared to that of the other single-bonded fullerene dimers, including [(C(70))(2)](2-), (C(69)N)(2), and [(C(60))(2)](2-). Characteristic features in the vibrational spectra and electronic structure of all single-bonded fullerene dimers are revealed.

Tumors and inflammatory diseases of the spine Опухоли и воспалительные заболевания позвоночника 33Hirurgia Pozvonochnika (spine surgery) 2018;15(2):33-38 ХИРУРГИЯ ПОЗВОНОЧНИКА 2018. Т. 15. № 2. С. 33-38 © А.В. Бурцев и др., 2018 © A.V. Burtsev et al., 2018 Computer 3D-modeling of patient-specific Objective. To prove the effectiveness of 3D computer modeling and printing of patient-specific templates for cervical spine screw fixation. Materials and Methods.Based on the MSCT data of three patients, 3D models of cervical vertebrae and guiding templates were produced. The screws were inserted transpedicularly into 3D-printed models of C2-C7 vertebrae and C1 lateral masses using standard cervical instrumentation. This technology was then clinically tested in a patient with C2 tumor, in whom posterior stabilization of C1-C3 vertebrae was performed using guiding templates. In the postoperative period, MSCT was performed to monitor the position of screws.Results. When implanting screws into 3D-models, technical difficulties were not revealed. After insertion of screws, a visual assessment of the 3D vertebra model was made. Malpositions in models were not detected. Based on the proven technique, a clinical approbation was performed in a patient with normal cervical spine pattern. MSCT study revealed the deviation of screws relative to the planned trajectory by no more than 2 mm, with no malpositions. Conclusion. The first domestic description of

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