Russian Journal of Inorganic Chemistry, Tập 42,Trang 951-1448Chemical Society., 1997 |
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Trang 1390
... shifts are characteristic for a qualitative assessment of the chem- ical bond type . In nonmagnetic dielectrics , which are treated as ionic or covalent compounds , the chemical shift is measured . The magnitude of the chemical shift is ...
... shifts are characteristic for a qualitative assessment of the chem- ical bond type . In nonmagnetic dielectrics , which are treated as ionic or covalent compounds , the chemical shift is measured . The magnitude of the chemical shift is ...
Trang 1395
... shift remains unaltered . The ' Li and 27 Al NMR chemical shifts in the identi- fied phases at 25 and 600 ° C are listed in the table . For the a- [ Al ] phase , the ' Li chemical shift is within the range from -1 to -5 ppm , which is ...
... shift remains unaltered . The ' Li and 27 Al NMR chemical shifts in the identi- fied phases at 25 and 600 ° C are listed in the table . For the a- [ Al ] phase , the ' Li chemical shift is within the range from -1 to -5 ppm , which is ...
Trang 1396
... shift , ppm 27 Al NMR shift , ppm Compound , metal 25 ° C 25 ° C 600 ° C Al ** 1644 ± 3 1670 ± 2 α- [ Al ] -2 ± 5 1642 ± 5 1670 ± 2 α ' - [ LiAl3 ] ~ 100 ± 15 1346 ± 50 1542 ± 2 a " - [ LiAl2 ] 1590 ± 10 * B- [ LiAl ] + 5 ± 3 187 ± 20 ...
... shift , ppm 27 Al NMR shift , ppm Compound , metal 25 ° C 25 ° C 600 ° C Al ** 1644 ± 3 1670 ± 2 α- [ Al ] -2 ± 5 1642 ± 5 1670 ± 2 α ' - [ LiAl3 ] ~ 100 ± 15 1346 ± 50 1542 ± 2 a " - [ LiAl2 ] 1590 ± 10 * B- [ LiAl ] + 5 ± 3 187 ± 20 ...
Nội dung
Vol 42 No 7 | 951 |
Triple Triphosphate NaKTbP3010 | 958 |
Relative Reactivity of Oxo Anions to MetalII Hydroxides | 964 |
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Academy of Sciences acid analysis angles anion atoms bismuth bond lengths calculated cation chelate Chem chemical shifts chloride cm-¹ complexes composition compounds concentration coordination copper(II corresponding crystal structure curves decomposition decrease determined distances electron energy English Translation Copyright enthalpy equation equilibrium experimental extraction fluorine formation frequencies H₂O Hayka/Interperiodica Publishing Russia heat hydrate hydrogen bonds hydroxide increase Inorganic Chemistry isomer kcal/mol Khim kJ/mol LiClO4 ligand lithium MAHK Hayka/Interperiodica Publishing melting metal method mixture mol/l Moscow Neorg Original Russian Text oxide oxygen atoms perchlorate phase diagram Phys platinum(IV plexes podand polyhedra polyhedron proton ratio reaction Russia Received Russian Academy Russian Journal Russian Text Copyright salts samples sodium solid solutions solvent space group spectrum studied synthesis Table temperature thermal thermodynamic tion titration ture unit cell unit cell parameters values vibration water molecules X-ray diffraction X-ray powder diffraction