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gzbs木蟲 (正式寫手)
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[求助]
晶體A類錯誤請教?
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如題,最近合成出以個晶體,但是有一些晶體A和B類錯誤,不知如何處理,請問有哪位兄弟姐妹能幫忙? PLAT316_ALERT_2_A Too many H on C in C=N Moiety in Main Residue .. C37 PLAT414_ALERT_2_A Short Intra D-H..H-X H7A .. H37B .. 1.78 Ang. PLAT973_ALERT_2_A Large Calcd. Positive Residual Density on Eu1 4.25 eA-3 And 2 other PLAT973 Alerts More ... PLAT414_ALERT_2_B Short Intra D-H..H-X H7B .. H37A .. 1.81 Ang. PLAT910_ALERT_3_B Missing # of FCF Reflections Below Th(Min) ..... 12 Why ? |
禁蟲 (知名作家)
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PLAT973 Type_2 Test for large positive density on metal atom Larger than expected residual density maximum on heavy atom location. This might be caused by unaccounted for twinning, wrongly assigned atom types and other model errors. Another cause may be a SHELXL 'DAMP 0 0' instruction for a non-converged refinement. 樓主的原子指認應(yīng)該是對的,這個說明的最后一句或許有點啟發(fā)。 |
禁蟲 (知名作家)
禁蟲 (知名作家)
新蟲 (初入文壇)
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