Russian Journal of Inorganic Chemistry, Tập 42,Số phát hành 1-4British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1997 |
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Trang 81
... shift of 170.4 ppm , which is similar to the chemical shift of simple oxalates [ 2 ] . As in the case of series I , for series II the two lines of 13C nuclei of the oxalato groups are broadened with an increase in the cation size and ...
... shift of 170.4 ppm , which is similar to the chemical shift of simple oxalates [ 2 ] . As in the case of series I , for series II the two lines of 13C nuclei of the oxalato groups are broadened with an increase in the cation size and ...
Trang 94
... shift decreases with the increasing length of a fluorocarbon radical , and for RF = C6F13 it transforms to a hypso- chromic shift ( which reaches a value of 12 nm for RF = CgF17 ) . In contrast , for the acetylacetone deriva- tives with ...
... shift decreases with the increasing length of a fluorocarbon radical , and for RF = C6F13 it transforms to a hypso- chromic shift ( which reaches a value of 12 nm for RF = CgF17 ) . In contrast , for the acetylacetone deriva- tives with ...
Trang 356
... shift of the " B NMR sig- nal . At pH < 5 , the 11B NMR signal is slightly shifted downfield with a simultaneous shift of the 31P signal ; this can be accounted for by the formation of B ( OH ) 3 · HAL -5+ complexes . At pH > 6 11B and ...
... shift of the " B NMR sig- nal . At pH < 5 , the 11B NMR signal is slightly shifted downfield with a simultaneous shift of the 31P signal ; this can be accounted for by the formation of B ( OH ) 3 · HAL -5+ complexes . At pH > 6 11B and ...
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Triple Molybdate Salts NaA3RM0O45 | 13 |
Synthesis and Properties | 21 |
Dynamics of Protoncontaining Groups in Tantalum Hydrogen Phosphate | 27 |
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absorption According acid addition analysis angles anion atoms bands barium nitrate bond calculated carbon cations changes Chem chemical Chemistry cm-¹ complexes composition compounds concentration considered constants containing coordination Copyright corresponding crystal curves decrease dependence determined diffraction distances effect electron energy equation exchange experimental fact formation fragments H₂O heating higher hydrogen increase indicates initial Inorganic interaction ions Journal Khim kinetic layer ligand measured melting metal method mixture mol/l Moscow Neorg Note observed obtained occur oxides oxygen atoms parameters peak phase Physics plexes polyhedra position powder precipitate pressure properties Publishing range ratio reaction REFERENCES region respectively Russian salts sample Sciences shift shows signals similar sodium solid solution space group spectra spectrum stability structure studied synthesis Table temperature tion transition Translation values vibrations X-ray