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[求助]
2個(gè)A類錯(cuò)誤,求解決辦法
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SHFSU01_ALERT_2_A The absolute value of parameter shift to su ratio > 0.20 Absolute value of the parameter shift to su ratio given 3.010 Additional refinement cycles may be required. PLAT080_ALERT_2_A Maximum Shift/Error ............................ 3.01 一個(gè)有機(jī)化合物的如上兩個(gè)A類錯(cuò)誤,按照提示我增加了精修的次數(shù)(比如20),修了幾次,仍然沒(méi)有效果,不知道該怎么辦,下面附一些細(xì)節(jié)作參考 GooF = S = 1.081; Restrained GooF = 1.081 for 0 restraints R1 = 0.0526 for 2016 Fo > 4sig(Fo) and 0.0667 for all 2656 data wR2 = 0.1414, GooF = S = 1.081, Restrained GooF = 1.081 for all data R1 = 0.0640 for 2656 unique reflections after merging for Fourier Highest peak 1.57 at 0.3389 0.3268 0.4945 [ 1.05 A from BR1 ] Deepest hole -0.92 at 0.1686 0.2217 0.5838 [ 0.94 A from BR1 ] |
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