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hesperus329金蟲 (正式寫手)
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[求助]
如何解決check cif報告里的錯誤?有A,B,C類錯誤?怎么辦?
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文章寫好都投出去了,主編說還缺少check cif報告,結(jié)果打出來后出現(xiàn) A,B,C 三類錯誤,本人是菜鳥,對單晶結(jié)構(gòu)不太懂,是不是培養(yǎng)的單晶晶型不好?不知如何處理,望高手指點! Datablock: shelxl -------------------------------------------------------------------------------- Bond precision: C-C = 0.0046 A Wavelength=1.54187 Cell: a=8.8532(10) b=13.720(2) c=17.688(2) alpha=90 beta=90 gamma=90 Temperature: 293 K Calculated Reported Volume 2148.5(5) 2148.5(5) Space group P 21 21 21 P 21 21 21 Hall group P 2ac 2ab ? Moiety formula C24 H25 N O5 C24 H25 N O5 Sum formula C24 H25 N O5 C24 H25 N O5 Mr 407.45 407.45 Dx,g cm-3 1.260 1.260 Z 4 4 Mu (mm-1) 0.720 0.720 F000 864.0 864.0 F000' 866.73 h,k,lmax 10,16,21 10,16,21 Nref 4253[ 2424] 4200 Tmin,Tmax 0.866,0.866 0.869,0.869 Tmin' 0.866 Correction method= MULTI-SCAN Data completeness= 1.73/0.99 Theta(max)= 72.500 R(reflections)= 0.0807( 3674) wR2(reflections)= 0.2290( 4200) S = 1.061 Npar= 278 -------------------------------------------------------------------------------- The following ALERTS were generated. Each ALERT has the format test-name_ALERT_alert-type_alert-level. Click on the hyperlinks for more details of the test. --------------------------------------------------------------------------------Alert level A PLAT902_ALERT_1_A No (Interpretable) Reflections found in FCF .... ! Check PLAT997_ALERT_1_A Unsuitable CIF/FCF File Combination with SHELXL CIF ! Error --------------------------------------------------------------------------------Alert level B PLAT035_ALERT_1_B No _chemical_absolute_configuration info given . ? Do ! --------------------------------------------------------------------------------Alert level C PLAT241_ALERT_2_C Check High Ueq as Compared to Neighbors for O3 PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for C14 PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for C17 PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds ............... 0.0046 Ang. PLAT352_ALERT_3_C Short N-H (X0.87,N1.01A) N1 - H1 ... 0.75 Ang. --------------------------------------------------------------------------------Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? Do ! PLAT032_ALERT_4_G Std. Uncertainty on Flack Parameter Value High . 0.400 PLAT072_ALERT_2_G SHELXL First Parameter in WGHT Unusually Large. 0.18 PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature 293 K PLAT200_ALERT_1_G Check the Reported _diffrn_ambient_temperature 293 K PLAT791_ALERT_4_G Note: The Model has Chirality at C2 (Verify) S And 3 other PLAT791 Alerts More ...PLAT791_ALERT_4_G Note: The Model has Chirality at C10 (Verify) S PLAT791_ALERT_4_G Note: The Model has Chirality at C11 (Verify) S PLAT791_ALERT_4_G Note: The Model has Chirality at C12 (Verify) S -------------------------------------------------------------------------------- 2 ALERT level A = Most likely a serious problem - resolve or explain 1 ALERT level B = A potentially serious problem, consider carefully 5 ALERT level C = Check. Ensure it is not caused by an omission or oversight 9 ALERT level G = General information/check it is not something unexpected 5 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 4 ALERT type 2 Indicator that the structure model may be wrong or deficient 2 ALERT type 3 Indicator that the structure quality may be low 5 ALERT type 4 Improvement, methodology, query or suggestion 1 ALERT type 5 Informative message, check |
金蟲 (正式寫手)
木蟲 (正式寫手)
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