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... synthesis at an intermediate stage of the anisotropic refinement of structure I. The coordinates of all the H atoms of the two cryptand ligands were calculated geometrically and refined as riding on their bonded atoms ( 3 ) .
... synthesis at an intermediate stage of the anisotropic refinement of structure I. The coordinates of all the H atoms of the two cryptand ligands were calculated geometrically and refined as riding on their bonded atoms ( 3 ) .
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The structure was solved by direct methods Atomic coordinates and thermal parameters are ( SHELXS86 ( 5 ] ) and was refined by least - squares cal- listed in Table 1 ; bond lengths and bond angles are preculation on F ? ( SHELXL97 [ 6 ] ...
The structure was solved by direct methods Atomic coordinates and thermal parameters are ( SHELXS86 ( 5 ] ) and was refined by least - squares cal- listed in Table 1 ; bond lengths and bond angles are preculation on F ? ( SHELXL97 [ 6 ] ...
Trang 1836
Non - hydrogen atoms ( with few exceptions ) II ( R = Et ) : yellow crystals , I'm = 204–206 ° C . were refined anisotropically . In the course of refinement , some fragments of the structure were found to be For C28H26N404S anal ...
Non - hydrogen atoms ( with few exceptions ) II ( R = Et ) : yellow crystals , I'm = 204–206 ° C . were refined anisotropically . In the course of refinement , some fragments of the structure were found to be For C28H26N404S anal ...
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Vol 48 No 9 | 1280 |
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 anions atoms band bismuth bond bond lengths calculated cations Chem chemical Chemistry complex components composition compounds concentration constant containing coordination Copyright corresponding crystal crystal structure curves decreases determined diagram distances effect electronic energy experimental field formation formed heating hydrogen increases Inorganic intensity interaction ions Khim layer ligand Mater measured melting metal method mixture molecules Moscow Neorg Note observed obtained Original oxidation oxygen parameters patterns phase Physics points positions prepared presented properties range ratio reaction REFERENCES refined reflections region respectively Russian salt samples Sciences shifts shown shows signals sodium solid solutions solubility space space group spectra spectrum stability structure studied synthesis Table temperature thermal tion transition Translation values vibrations X-ray diffraction