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justafly木蟲 (小有名氣)
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[交流]
【求助】幾個(gè)B類錯(cuò)誤如何解決 已有1人參與
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本人用Shelxtl解析一個(gè)晶體,在解析過程中均按正常的程序進(jìn)行解析,但對(duì)解析的結(jié)果用PLATON進(jìn)行檢查,總是出現(xiàn)如下B類錯(cuò)誤,請(qǐng)高手指點(diǎn)如何進(jìn)行精修(或解析),不勝感激! PLATON檢查部分結(jié)果: R= 0.0617( 1501), wR2= 0.1446( 1927), S = 1.253 (From CIF+FCF data) R= 0.0393( 1501), wR2= 0.0991( 1927), S = 0.895 (From FCF data only) 926_ALERT_1_B Reported and Calculated R1 * 100.0 Differ by . -2.23 927_ALERT_1_B Reported and Calculated wR2 * 100.0 Differ by . -4.55 928_ALERT_1_B Reported and Calculated S value Differ by . -0.36 (備注:奇怪的是,檢查CIF文件,CIF文件里的_refine_ls_R_factor_gt 0.0394 _refine_ls_wR_factor_ref 0.0991,明明和FCF DATA 一致。 [ Last edited by justafly on 2010-5-22 at 22:23 ] |
鐵蟲 (小有名氣)
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