結(jié)晶學(xué)chap5crystaldiffraction-文庫吧資料
2024-12-14 11:43本頁面
【正文】 ?????????????????????????????????????????????????//。39。s i n0 fifff ii ???????????Centric case with anomalous scatterers NA : No. of atom types in an asymmetric unit NE : No. of symm. elements of the space group Ri : sym. operator h : (h, k, l) xj : (xj, yj, zj) ? ?????????????????2/2e x p2)2e x p (NEijiNAjiNEijiNAjjhxRhifxRhifF??? ? ? ?? ? ? ?? ? ? ?? ? ? ????????????????????????????????ijijjjijijjhijijjijijjjhjjjjxRhffxRhfBxRhfxRhffAfifff????2222000s i nc o ss i nc o s39。 = f si n + f si n= F si n α = f si n(A)2 ? (B’)2 ? ?F?2cos2? ? ?F?2sin2? ? ?F?2 Structure Amplitude (Factor) Detector R X1 rn S0 S X2 ? ????1 n 02n1 2 n 0X = r SX = R r SX + X = R r S S2θ 0a????lcSSkbSSlkhhaSSSSL e t h k l??????????)()(,)(//0000i n t e g e r0~SS~aS ~~0 ?aS ~~?Pathlength difference bet. atom n at rn and the origin at 0 ? ?2021e x p 2hnPneE f i t R rm c R? ? ? ????? ? ? ?????11200i v t xEe ? ?? ???
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