Bond valence as an aid to understanding the stereochemistry of O and F complexes of Sn(II), Sb(III), Te(IV), I(V) and Xe(VI)
作者： I.D. Brown
DOI: 10.1016/S0022-4596(74)80006-X
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摘要: The calculation of bond valences (S) from the lengths (R) observed in 63 different crystals using relation s = so(R/Ro−N allows a direct quantitative comparison bonding variety complexes formed between A and X atoms where Sn(II), Sb(III), Te(IV), I(V) Xe(VI) 0 F. environment is usually an octahedron which has been distorted so that weak bonds occur opposite strong intermediate strength each other. possible environments form continuous series one having 2 strong, intermediate, ( (A) ) through 3 (C) to 1 4 (ɛ). particular related ratio X, leading configuration close , C 5 ɛ. Specific can be associated with for pairs A-X angles any equal (73 + 17 〈 〉) degrees 〉 their average valence. These principles lead natural explanation O F bridges frequently found these influences such have on detailed A.
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