نتایج جستجو برای: vibrational spectra
تعداد نتایج: 123243 فیلتر نتایج به سال:
چکیده ندارد.
the synthesis of smcl3(thf)3 from smcl3.6h2o is described. the reaction of smcl3(thf)3 with nabh4 in dry thf gave white microcrystalline tris (tetrahydroborato) tris (tetrahydrofuran) samarium (iii), sm(bh4)3(thf)3. the vibrational and magnetic properties of sm(bh4)3(thf)3 have been studied.
we have recently synthesized ti(bh4)3(thf)3 and v(bh4)2(tmeda)2 complexes. the reaction of ticl3(thf)3 with nabh4 in dry thf gave flat blue crystals, ti(bh4)3(thf)3. the reaction of vcl3 with nabh4 in presence of n, n, n', n'- tetramethylethylenediamine, tmeda, produced violet crystals, v(bh4)2(tmeda)2. vibrational and magnetic properties of ti(bh4)3(thf)3 and v(bh4)2(tmeda)2 have been studied.
The FT-IR and Raman spectra of 4-Chloro-2-Fluroaniline (4C2FA) were measured. The fundamental vibrational frequencies and intensity of vibrational bands were evaluated using density functional theory (DFT) and standard B3LYP/6-311+G** basis set combination. The vibrational spectra were interpreted, with the aid of normal coordinate analysis based on a scaled quantum mechanical (SQM) force field...
Eumelanin biopolymer synthetized from L-DOPA has been characterized by Raman and Surface Enhanced Raman Spectroscopy (SERS). Although Raman spectra of eumelanin were scarcely resolved, SERS measurements of this biopolymer on nanostructured gold substrate, provided a large enhancement of vibrational peaks related to functional groups adherent to the substrate, so that well resolved vibrational s...
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