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luckzhmliu鐵桿木蟲(chóng) (正式寫(xiě)手)
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[求助]
晶體checkcif文件沒(méi)有A,B類(lèi)錯(cuò)誤,但C類(lèi)錯(cuò)誤Rint值0.17較大,怎么辦? 已有2人參與
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本人有一個(gè)有機(jī)配體的晶體結(jié)構(gòu),已經(jīng)解析出結(jié)構(gòu),checkcif沒(méi)有A、B類(lèi)錯(cuò)誤,當(dāng)時(shí)就認(rèn)為可以發(fā)表。稿件投出很久,現(xiàn)在審稿人回復(fù)郵件如下: 1 please re-refine the structure with standard uncertainties for the lattice constants. 2 please explain why some reflections are much to weak, and why the Rint is as bad as it is. 3 please provide the experimental information on data collection, diffractometer type, scan mode etc. 4 please add a checkcif file, which fits to the submitted cif file. 麻煩高手們幫忙看看這個(gè)是什么情況?怎么回復(fù)比較好呢?多謝多謝! |
鐵桿木蟲(chóng) (正式寫(xiě)手)
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checkcif后的c類(lèi)錯(cuò)誤如下: Alert level C RINTA01_ALERT_3_C The value of Rint is greater than 0.12 Rint given 0.174 STRVA01_ALERT_2_C Chirality of atom sites is inverted? From the CIF: _refine_ls_abs_structure_Flack 5.000 From the CIF: _refine_ls_abs_structure_Flack_su 3.000 PLAT048_ALERT_1_C MoietyFormula Not Given (or Incomplete) ........ Please Check PLAT141_ALERT_4_C s.u. on a - Axis Small or Missing .............. 0.00000 Ang. PLAT142_ALERT_4_C s.u. on b - Axis Small or Missing .............. 0.00000 Ang. PLAT143_ALERT_4_C s.u. on c - Axis Small or Missing .............. 0.00000 Ang. PLAT151_ALERT_1_C No s.u. (esd) Given on Volume .................. Please Do ! PLAT234_ALERT_4_C Large Hirshfeld Difference N1 -- C1 .. 0.18 Ang. PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds ............... 0.00735 Ang. |
專(zhuān)家顧問(wèn) (文壇精英)
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專(zhuān)家經(jīng)驗(yàn): +1066 |
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1,你的晶包參數(shù)沒(méi)有不確定度,需要給出, 2,解釋為什么衍射點(diǎn)弱,Rint值高, 3,給出數(shù)據(jù)收集的信息,探測(cè)器類(lèi)型 4,給個(gè)check CIF報(bào)告,和最終的CIF一致的報(bào)告 發(fā)自小木蟲(chóng)Android客戶(hù)端 |

專(zhuān)家顧問(wèn) (著名寫(xiě)手)
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專(zhuān)家經(jīng)驗(yàn): +759 |
新蟲(chóng) (初入文壇)
禁蟲(chóng) (著名寫(xiě)手)
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