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The remaining hydrogen atoms were introduced into geometrically calculated positions and were refined as riding on their bonded atoms . All calcu- lations were performed with the SHELXTL PLUS ( PC version ) program package .
The remaining hydrogen atoms were introduced into geometrically calculated positions and were refined as riding on their bonded atoms . All calcu- lations were performed with the SHELXTL PLUS ( PC version ) program package .
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The coordinates of six H ( w ) atoms were refined by least - squares calculations . The difference Fourier synthesis revealed noticeable Ap peaks , indicating disorder of one chain of atoms in each of the two cryptand ligands and one of ...
The coordinates of six H ( w ) atoms were refined by least - squares calculations . The difference Fourier synthesis revealed noticeable Ap peaks , indicating disorder of one chain of atoms in each of the two cryptand ligands and one of ...
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Non - hydrogen atoms , except 11 of 18 methyl carbon atoms of six tert - butyl groups of three crystallographically independent dipivaloylmethanate ligands L , were refined anisotropically . The above 11 carbon atoms , randomly ...
Non - hydrogen atoms , except 11 of 18 methyl carbon atoms of six tert - butyl groups of three crystallographically independent dipivaloylmethanate ligands L , were refined anisotropically . The above 11 carbon atoms , randomly ...
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Vol 48 No 9 | 1282 |
Simultaneous English language translation of the journal is available from MAIK NaukaInterperiodica Russia | 1446 |
Vol 48 No 11 2003 | 1615 |
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absorption acid activation analysis angles anion atoms band bond calculated cations Chem chemical Chemistry cm-¹ complexes components composition compounds concentration constant containing coordination Copyright corresponding crystal crystal structure curves decreases determined diagram distances effect electron energy experimental field formation formed function heating hydrogen increases Inorganic intensity interaction ions Journal Khim layer ligand materials measured melting metal method mixture molecules Moscow Neorg Note observed obtained oxidation oxygen parameters phase Physics positions prepared properties range ratio reaction REFERENCES refined reflections region respectively ring Russian salt samples Sciences shifts shown shows signals single sodium solid solid solutions solubility solutions space space group spectra spectrum spinel stability structure studied Synthesis Table temperature thermal tion trans transition Translation values vibrations X-ray diffraction