24小时热门版块排行榜    

查看: 698  |  回复: 2

原核生物

木虫 (正式写手)

[求助] 晶体论文大修,求指导

上半年投了一篇J Chem Crystallogr,是羧酸钠盐晶体,本身质量不怎么好,出现不少问题,被要求大修,对于这些技术性的难题,求指导,可第三作者表谢意。主要问题有:

1. The checkCIF report informs that: "Structure factors were not supplied and correspondingly the full set of tests could not be preformed."
Also, there are 6 B-level alerts to which vrf-responses were not given.
Authors should check for possible disorder of the carbon atoms C22 and C32. Also, this might be suspected on the basis of the Fig. 2 in which extremely elongated ellipsoids are visible.
A comment of the fact that there are two O-H bonds without acceptor atoms should be given in the manuscript. The crystal structure is abundant with good H-bond acceptors yet these two strong donors remain unused?

2. It might prove worth to the authors to check and respond to all the alerts, especially to those of the levels B and C.
Alert level B
PLAT220_ALERT_2_B Large Non-Solvent C Ueq(max)/Ueq(min) ... 4.5 Ratio
PLAT222_ALERT_3_B Large Non-Solvent H Uiso(max)/Uiso(min) .. 8.1 Ratio
PLAT241_ALERT_2_B Check High Ueq as Compared to Neighbors for C22
PLAT241_ALERT_2_B Check High Ueq as Compared to Neighbors for C32
PLAT420_ALERT_2_B D-H Without Acceptor O6 - H6B ... ?
PLAT420_ALERT_2_B D-H Without Acceptor O13 - H13Y ... ?
Alert level C
PLAT029_ALERT_3_C _diffrn_measured_fraction_theta_full Low ....... 0.978
PLAT094_ALERT_2_C Ratio of Maximum / Minimum Residual Density .... 2.32
PLAT213_ALERT_2_C Atom C32 has ADP max/min Ratio ..... 3.1 prola
PLAT230_ALERT_2_C Hirshfeld Test Diff for C45 -- C46 .. 5.3 su
PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for C21
PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for C31
PLAT245_ALERT_2_C U(iso) H4X Smaller than U(eq) N4 by ... 0.014 AngSq
PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds ............... 0.0050 Ang
PLAT360_ALERT_2_C Short C(sp3)-C(sp3) Bond C35 - C36 ... 1.38 Ang.


3. Conclusion: At the current stage, the manuscript resembles a short crystal structure report. The authors should check for the possible disorder of the carbon atoms C22 and C32, should provide mentioned vrf-responses, re-write the manuscript and re-submit it for publication.

能帮忙解决的大虫请私信我 传你资料 谢谢啦~~~
帖子若涉及违规请斑竹删之
回复此楼

» 猜你喜欢

» 本主题相关价值贴推荐,对您同样有帮助:

已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

huangpeking

金虫 (小有名气)


【答案】应助回帖

★ ★ ★
感谢参与,应助指数 +1
linhua0402313: 金币+1, 恩,感谢回帖交流,希望对楼主有帮助 2012-08-06 09:10:11
原核生物: 金币+2, 有帮助, 谢谢哈 能帮我看看吗? 2012-08-06 15:21:18
晶体学的问题。估计数据不是太好,处理好无序。把这些错误弄好。实在不行重收数据就都搞定了。
2楼2012-08-05 20:09:02
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

原核生物

木虫 (正式写手)

再顶顶~~~~
3楼2012-08-16 12:26:36
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
相关版块跳转 我要订阅楼主 原核生物 的主题更新
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考研] 一志愿中国石油大学(华东) 本科齐鲁工业大学 +4 石能伟 2026-03-17 4/200 2026-03-23 17:51 by 17862566385
[考研] 工科材料085601 279求调剂 +8 困于星晨 2026-03-17 10/500 2026-03-23 13:05 by 醉在风里
[考研] 276求调剂。有半年电池和半年高分子实习经历 +8 材料学257求调剂 2026-03-23 9/450 2026-03-23 13:01 by ztnimte
[考研] 263求调剂 +6 yqdszhdap- 2026-03-22 9/450 2026-03-23 12:57 by yqdszhdap-
[考研] 323求调剂 +6 洼小桶 2026-03-18 6/300 2026-03-23 00:29 by king123!
[考研] 一志愿东华大学化学070300,求调剂 +7 2117205181 2026-03-21 8/400 2026-03-22 22:55 by chixmc
[考研] 280分求调剂 一志愿085802 +4 PUMPT 2026-03-22 7/350 2026-03-22 22:13 by 星空星月
[考研] 311求调剂 +6 冬十三 2026-03-18 6/300 2026-03-22 20:18 by edmund7
[考研] 307求调剂 +11 冷笙123 2026-03-17 11/550 2026-03-22 20:16 by edmund7
[考研] 求调剂一志愿海大,0703化学学硕304分,有大创项目,四级已过 +6 幸运哩哩 2026-03-22 10/500 2026-03-22 20:10 by edmund7
[考研] 广西大学材料导师推荐 +3 夏夏夏小正 2026-03-17 5/250 2026-03-21 22:20 by 金昊ML
[考研] 材料学硕333求调剂 +3 北道巷 2026-03-18 3/150 2026-03-21 18:17 by 学员8dgXkO
[考研] 0703化学297求调剂 +3 Daisy☆ 2026-03-20 3/150 2026-03-21 17:45 by ColorlessPI
[考研] 材料学学硕080502 337求调剂-一志愿华中科技大学 +4 顺顺顺mr 2026-03-18 5/250 2026-03-21 10:22 by luoyongfeng
[考研] 南昌大学材料专硕311分求调剂 +6 77chaselx 2026-03-20 6/300 2026-03-21 07:24 by JourneyLucky
[考研] 初始318分求调剂(有工作经验) +3 1911236844 2026-03-17 3/150 2026-03-21 02:33 by JourneyLucky
[考研] 265求调剂 +9 梁梁校校 2026-03-17 9/450 2026-03-21 02:17 by JourneyLucky
[考研] 一志愿华南师大 070300(化学)304分求调剂 +3 0703武芊慧雪304 2026-03-18 3/150 2026-03-21 00:48 by JourneyLucky
[考研] 求调剂 +3 @taotao 2026-03-20 3/150 2026-03-20 19:35 by JourneyLucky
[考研] 材料工程专硕调剂 +5 204818@lcx 2026-03-17 6/300 2026-03-18 22:55 by 204818@lcx
信息提示
请填处理意见