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[求助]
請教晶體數(shù)據(jù)中各項(xiàng)的含義
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本人菜鳥一個,對晶體學(xué)初入門?淳w方面的文獻(xiàn)時(shí)經(jīng)常見到有關(guān)晶體數(shù)據(jù)的一個表格(各項(xiàng)目如下,詳見上傳的截圖文件), 真誠向各位請教其中各項(xiàng)表示什么意思: V [Å3] Z reflns measd/unique μ[mm-1] abs corr abs corr range params/restraints R1/wR2 [I >2σ( I)] R1/wR2 [all reflns] Flack x param S res density [e/Å 3] λ (Å ![]() θ range (deg) total no. of rflns no. of unique rflns Rint R1 ( I >2σ ) wR2(I >2 σ) R1 (all data) wR2 (all data) GOF no. of restraints R1 = ∑ (|| Fo| | Fc ||)/ ∑| Fo |. wR2 = {∑ [w ( Fo2 F c2)2]/ ∑ [w (F o2) 2] }1/2 |
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