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 α " - [ LiAl1 ] 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 α " - [ LiAl1 ] 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 acid analysis angles anion aqueous atoms band bismuth bond calculated cation cell changes charge Chem chemical Chemistry cm-¹ complexes component composition compounds concentration considered constants containing coordination Copyright corresponding crystal curves decomposition decrease dependence described determined diagram distances effect electron energy English enthalpy equation equilibrium experimental extraction formation frequencies given heat hydrate hydrogen increase indicate Inorganic isomer Journal Khim ligand lithium measured melting metal method mixture mol/l molecules Moscow Neorg observed obtained occur organic Original oxide oxygen atoms parameters phase Physics points position prepared properties Publishing range ratio reaction REFERENCES relative reported respectively Russian salts samples Sciences shift shows similar solid solution space group spectra spectrum stability structure studied synthesis Table temperature thermal tion Translation unit values vibration X-ray diffraction