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迪克牛仔

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[求助] 晶体解析B类错误求助!!! 已有1人参与

本人是初学者,单晶解完后检测CIF文件出现了下列B类错误,还请高手指教啊!!!
我在xshell中观察结构的热椭球图时发现C35(sp3碳)的椭球比与之相连的C24和C33(都为sp3碳)要长,且键长相对短,在C类错误中有提到,不知道要怎么精修,还请告知一二!

Alert level B
RINTA01_ALERT_3_B  The value of Rint is greater than 0.18
            Rint given   0.192
PLAT020_ALERT_3_B The value of Rint is greater than 0.12 .........      0.192 Report
PLAT241_ALERT_2_B High      Ueq as Compared to Neighbors for .....        C35 Check


Alert level C
ABSTY02_ALERT_1_C  An _exptl_absorpt_correction_type has been given without
            a literature citation. This should be contained in the
            _exptl_absorpt_process_details field.
            Absorption correction given as multi-scan
RFACR01_ALERT_3_C  The value of the weighted R factor is > 0.25
            Weighted R factor given   0.312
PLAT026_ALERT_3_C Ratio Observed / Unique Reflections too Low ....         46 %     
PLAT029_ALERT_3_C _diffrn_measured_fraction_theta_full Low .......      0.966 Note  
PLAT048_ALERT_1_C MoietyFormula Not Given ........................     Please Do !
PLAT084_ALERT_3_C High wR2 Value (i.e. > 0.25) ...................       0.31 Report
PLAT125_ALERT_4_C No '_symmetry_space_group_name_Hall' Given .....     Please Do !
PLAT148_ALERT_3_C su on the      a  - Axis is (Too) Large ........      0.011 Ang.  
And 2 other PLAT148 Alerts
More ...PLAT220_ALERT_2_C Large Non-Solvent  C     Ueq(max)/Ueq(min) Range        3.3 Ratio
PLAT242_ALERT_2_C Low       Ueq as Compared to Neighbors for .....        C24 Check
PLAT242_ALERT_2_C Low       Ueq as Compared to Neighbors for .....        C33 Check
PLAT340_ALERT_3_C Low Bond Precision on  C-C Bonds ...............     0.0076 Ang.  
PLAT360_ALERT_2_C Short  C(sp3)-C(sp3) Bond  C24    -   C35    ...       1.43 Ang.  
PLAT360_ALERT_2_C Short  C(sp3)-C(sp3) Bond  C33    -   C35    ...       1.43 Ang.
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5楼2015-01-07 08:21:30
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感谢参与,应助指数 +1
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2楼2015-01-06 17:05:04
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迪克牛仔

木虫 (小有名气)

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引用回帖:
2楼: Originally posted by lich666 at 2015-01-06 17:05:04
RINTA01_ALERT_3_B  The value of Rint is greater than 0.18
            Rint given   0.192
PLAT020_ALERT_3_B The value of Rint is greater than 0.12 .........      0.192 Report
Rint 值高,表明数据不是 ...

具体怎么做无序处理啊?我不太懂这个无序处理。。。

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3楼2015-01-07 00:16:48
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迪克牛仔

木虫 (小有名气)

引用回帖:
3楼: Originally posted by 迪克牛仔 at 2015-01-07 00:16:48
具体怎么做无序处理啊?我不太懂这个无序处理。。。
...

如果C35做了无序处理后,R1和wR2值会不会变小点,现在这个有点偏大。

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4楼2015-01-07 00:22:39
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