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zhaoting0903

铜虫 (正式写手)


[交流] 晶体有很多A类和B类的错误,能投非晶体的文章吗

我的化合物是很容易风化的,我是封管测的,由于含有六氟磷酸根,所以无序很厉害,我们老师已经帮我求助高手解过了,不过还是有很多A类、B类的错误,这是Checkcif给的信息,大家帮我想想办法呢
Alert level A
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 2.198
Additional refinement cycles may be required.
PLAT080_ALERT_2_A Maximum Shift/Error ............................ 2.20
PLAT211_ALERT_2_A ADP of Atom C20 is N.P.D. or (nearly) 2D ... ?
PLAT211_ALERT_2_A ADP of Atom C28 is N.P.D. or (nearly) 2D ... ?
PLAT213_ALERT_2_A Atom N2 has ADP max/min Ratio ..... 6.8 prola
PLAT234_ALERT_4_A Large Hirshfeld Difference C12 -- C19 .. 0.32 Ang.
PLAT306_ALERT_2_A Isolated Oxygen Atom (H-atoms Missing ?) ....... O3
PLAT306_ALERT_2_A Isolated Oxygen Atom (H-atoms Missing ?) ....... O10
PLAT306_ALERT_2_A Isolated Oxygen Atom (H-atoms Missing ?) ....... O11
PLAT306_ALERT_2_A Isolated Oxygen Atom (H-atoms Missing ?) ....... O12
PLAT430_ALERT_2_A Short Inter D...A Contact O11 .. O12 .. 1.96 Ang.
Alert level B
RFACR01_ALERT_3_B The value of the weighted R factor is > 0.35
Weighted R factor given 0.380
PLAT026_ALERT_3_B Ratio Observed / Unique Reflections too Low .... 38 Perc.
PLAT084_ALERT_2_B High wR2 Value ................................. 0.38
PLAT111_ALERT_2_B ADDSYM Detects (Pseudo) Centre of Symmetry ..... 85 PerFi
PLAT214_ALERT_2_B Atom O3 (Anion/Solvent) ADP max/min Ratio 5.5 prola
PLAT234_ALERT_4_B Large Hirshfeld Difference N3 -- C44 .. 0.27 Ang.
PLAT234_ALERT_4_B Large Hirshfeld Difference C20 -- C28 .. 0.28 Ang.
PLAT241_ALERT_2_B Check High Ueq as Compared to Neighbors for C12
PLAT241_ALERT_2_B Check High Ueq as Compared to Neighbors for C22
PLAT340_ALERT_3_B Low Bond Precision on C-C Bonds ............... 0.0288 Ang
PLAT420_ALERT_2_B D-H Without Acceptor O4 - H4 ... ?
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xiaoshan1988

木虫 (小有名气)


解的水平不高,要不就是晶体数据不好了。你们老师水中氧上的氢都没加上去啊。。键长键角和温度因子都不是很对,是不是空间群错了
11楼2012-04-26 22:25:29
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r2rr2r

金虫 (正式写手)


★ ★
zhaoting0903(金币+1): 谢谢参与
linhua0402313: 金币+1, 欢迎回帖交流 2012-04-24 23:11:55
列出的AB错误里没有一个是和PF6相关的。
NPD试着用isor解决
独立O原子,是水吧,需要加氢
最后一个是加氢错误,重新加
2楼2012-04-24 23:11:02
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zhaoting0903

铜虫 (正式写手)


引用回帖:
2楼: Originally posted by r2rr2r at 2012-04-24 23:11:02:
列出的AB错误里没有一个是和PF6相关的。
NPD试着用isor解决
独立O原子,是水吧,需要加氢
最后一个是加氢错误,重新加

关键,我一点都不会解晶体啊,都不是很懂,那这样的晶体,能投稿吗
3楼2012-04-24 23:32:02
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r2rr2r

金虫 (正式写手)


★
huangjr: 金币+1, 鼓励交流! 2012-04-25 07:57:16
暂时还不能,精修没完成啊。
4楼2012-04-25 00:56:38
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