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These silicates belong to the homolo- gous series whose parent is Na2ZrSi2O ,; the structure of Na ZrSi2O , is built by direct packing of ring SSUs M2T4 . Evolution pathway A. In structures with low Si : Zr = 2 or 1.5 , i.e. , Na ...
These silicates belong to the homolo- gous series whose parent is Na2ZrSi2O ,; the structure of Na ZrSi2O , is built by direct packing of ring SSUs M2T4 . Evolution pathway A. In structures with low Si : Zr = 2 or 1.5 , i.e. , Na ...
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Structures of complex groups with the ratio I : Ag = 2. In all cases , black circles are silver atoms and open circles are iodine atoms : ( a ) tetramer of tetrahedra ( 4,2,0 ) and tri- angles ( 2,1,0 ) in the structure of ( C20H24P ) 4 ...
Structures of complex groups with the ratio I : Ag = 2. In all cases , black circles are silver atoms and open circles are iodine atoms : ( a ) tetramer of tetrahedra ( 4,2,0 ) and tri- angles ( 2,1,0 ) in the structure of ( C20H24P ) 4 ...
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Model IR spectra of different structures in a - Se doped with germanium : ( a ) vitreous Se , ( b ) C1 structure ( Ge ( Sen ) 4 ) , ( c ) C2 structure ( ( Sen ) 2GeSe2Ge ( Sen ) 2 ) , and ( d ) C4 structure ( Se = Ge ( Se „ ) 2 ) ...
Model IR spectra of different structures in a - Se doped with germanium : ( a ) vitreous Se , ( b ) C1 structure ( Ge ( Sen ) 4 ) , ( c ) C2 structure ( ( Sen ) 2GeSe2Ge ( Sen ) 2 ) , and ( d ) C4 structure ( Se = Ge ( Se „ ) 2 ) ...
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Vol 48 No 5 | 622 |
Synthesis and Crystal Structure | 632 |
Synthesis and Study | 642 |
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absorption According acid activation addition analysis angles anion aqueous atoms band bond calculated cations changes characteristics Chem chemical Chemistry cluster cm-¹ complexes composition compounds concentration constants containing coordination Copyright corresponding crystal curves decrease dependence described determined distances distribution effect electron energy existence experimental extraction formation formed function groups H₂O heating higher hydrogen increases Inorganic intensity interaction involved ions Journal Khim lengths ligand lines measured metal method mixture mol/l molecules Moscow Neorg observed obtained oxide oxygen parameters phase Physics position prepared presence properties range ratio reaction REFERENCES refined reflections region respectively Russian salt samples Sciences shift shows signals similar solid solutions solubility solution solvent space group spectra spectrum stability structure studied synthesis Table temperature thermal tion unit values X-ray diffraction