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miaorun

铁虫 (小有名气)

[求助] 求助高手帮忙解析cif文件当中的A类C类错误以及精修参数是否合适等 已有2人参与

求助:不知道有没有高手愿意帮忙解决一下我的单晶数据里面的A类和C类错误等,因为我是初学做单晶的,所以不懂那方面的专业知识,导师也不是做这方面的内容,故来这里求助高人。
Alert level A
PLAT122_ALERT_1_A No _symmetry_space_group_name_H-M Given ........ Please Do !
PLAT780_ALERT_1_A Coordinates do not Form a Properly Connected Set Please Do !

Alert level C
PLAT041_ALERT_1_C Calc. and Reported SumFormula Strings Differ Please Check
PLAT043_ALERT_1_C Calculated and Reported Mol. Weight Differ by .. 2.00 Check
PLAT052_ALERT_1_C Info on Absorption Correction Method Not Given . Please Do !
PLAT053_ALERT_1_C Minimum Crystal Dimension Missing (or Error) ... Please Check
PLAT054_ALERT_1_C Medium Crystal Dimension Missing (or Error) ... Please Check
PLAT055_ALERT_1_C Maximum Crystal Dimension Missing (or Error) ... Please Check
PLAT068_ALERT_1_C Reported F000 Differs from Calcd (or Missing)... Please Check
PLAT230_ALERT_2_C Hirshfeld Test Diff for C3 -- C8 .. 6.3 su



Cell: a=6.7807(13) b=14.095(3) c=8.2215(16)
alpha=90 beta=111.62(3) gamma=90
Temperature:  293 K
Calculated Reported
Volume 730.5(3) 730.5(3)
Space group P 21/c  ?
Hall group -P 2ybc  ?
Moiety formula C12 H12 Cu N2 O6, 2(H2 O) ?
Sum formula C12 H16 Cu N2 O8 C12 H18 Cu N2 O8
Mr 379.82 381.82
Dx,g cm-3 1.727 1.736
Z 2 2
Mu (mm-1) 1.541 1.541
F000 390.0 394.0
F000’ 390.84
h,k,lmax 8,18,10 8,18,10
Nref 1669  1643
Tmin,Tmax
Tmin’
Correction method= Not given
Data completeness= 0.984 Theta(max)= 27.470
R(reflections)= 0.0412( 1631)           wR2(reflections)= 0.1118( 1643)
S = 1.251 Npar= Npar = 114


上述晶体数据是不是还没有精修好呢
那些参数精修得行不行我也看不出来,不知道有没有好心人愿意帮忙看下?

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miaorun

铁虫 (小有名气)

自己顶下!
有愿意帮忙的大神吗?愿意帮忙的话私信留下邮箱,帮我精修一下可以吗?
2楼2014-03-06 20:08:00
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miaorun

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3楼2014-03-06 20:09:27
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ding6613

至尊木虫 (著名写手)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
miaorun: 金币+25, ★★★★★最佳答案 2014-03-07 20:05:28
第一个只需要将空间群复制到cif文件symmetry_space_group_name_H-M后面取代问号即可
第二个可能需要升空间群
4楼2014-03-06 22:33:34
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jackdeng

专家顾问 (著名写手)

【答案】应助回帖

你的这个结构问题比较多,不过大部分我都能解决,你可以发给我试试  jackdeng_2001@163.com
5楼2014-04-13 20:30:33
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