Russian Journal of Inorganic Chemistry, Tập 47,Số phát hành 9-12Chemical Society., 2002 |
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... shift roughly linearly decreases with an increase in the average formal oxidation state of iron cations . The use of the average isomer shifts for the high - spin Fe3 + and Fe ++ cations ( ~ 0.35 and 0.05 mm / s , respec- tively ) in ...
... shift roughly linearly decreases with an increase in the average formal oxidation state of iron cations . The use of the average isomer shifts for the high - spin Fe3 + and Fe ++ cations ( ~ 0.35 and 0.05 mm / s , respec- tively ) in ...
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... shift of water coordinated to a proton differs from that of free water molecules . The exchange of protonated water molecules for free mole- cules is fast on the 170 NMR time scale : the 170 NMR frequency is one order of magnitude lower ...
... shift of water coordinated to a proton differs from that of free water molecules . The exchange of protonated water molecules for free mole- cules is fast on the 170 NMR time scale : the 170 NMR frequency is one order of magnitude lower ...
Trang 1869
... shift , the signal of dissolved N2 ( -65 ppm from NO3 ) was used as an internal reference . RESULTS AND DISCUSSION The 14N NMR spectrum of o - NA ( Fig . 1 ) shows two lines . For all nitro compounds under consideration , the chemical shift ...
... shift , the signal of dissolved N2 ( -65 ppm from NO3 ) was used as an internal reference . RESULTS AND DISCUSSION The 14N NMR spectrum of o - NA ( Fig . 1 ) shows two lines . For all nitro compounds under consideration , the chemical shift ...
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Vol 47 No 10 2002 | 1456 |
Vol 47 No 11 2002 | 1603 |
Hydrothermal Synthesis of Nanocrystalline Powders | 1609 |
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ų absorption acid analysis angles anion aqueous solution atoms band bond lengths calculated cations chelate Chem chemical cm-¹ complex composition compounds concentration coordination sphere corresponding crystal structure crystallographic curve decrease determined diffraction patterns dimers distances electron English Translation Copyright experimental formation formed g/cm³ H-bonds H₂O HCIO4 hydrogen bonds interaction ionic ions Khim ligands lithium MAIK Nauka/Interperiodica melting metal method mixture Mo atoms mol/l Moscow Nauk Neorg nitrate octahedra Original Russian Text oxide oxygen atoms perchlorate phase diagram phthalocyanine physicochemical pivalate pivalic acid plexes polyhedron proton Raman ratio reaction refined region Russia Received Russian Academy Russian Text Copyright salt samples sodium solid solutions solubility space group spectra spectrum studied synthesis Table temperature ternary thermal tion ture unit cell parameters values VD polyhedra vibrations water molecules X-ray diffraction X-ray powder diffraction