24小时热门版块排行榜    

Znn3bq.jpeg
查看: 355  |  回复: 3
当前主题已经存档。

xuwei0909

至尊木虫 (著名写手)

[交流] DFIX加氢后的B和C错误怎么解决?

利用这两个指令加氢后产生如下B和C错误该如何解决?
DFIX 0.85 0.01 O1 H1W1 O1 H1W2 O2 H2W1 O2 H2W2 O3 H3W1 O3 H3W2 O4 H4W1 O4 H4W2
DFIX 1.35 0.02 H1W1 H1W2 H2W1 H2W2 H3W1 H3W2 H4W1 H4W2

Alert level B
PLAT731_ALERT_1_B Bond    Calc     0.85(5), Rep   0.850(10) ......       5.00 su-Ra     O3   -H3W1    1.555   1.555                                      
PLAT731_ALERT_1_B Bond    Calc     0.84(5), Rep   0.844(10) ......       5.00 su-Ra     O4   -H4W1    1.555   1.555      

Alert level C                              
PLAT731_ALERT_1_C Bond    Calc     0.85(3), Rep   0.845(10) ......       3.00 su-Ra      O4   -H4W2    1.555   1.555                                      
PLAT732_ALERT_1_C Angle   Calc     106(10), Rep      106(3) ......       3.33 su-Ra      H1W1 -O1   -H1W2    1.555   1.555   1.555
回复此楼
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

xi2004

至尊木虫 (职业作家)

★ ★ ★ ★ ★ ★ ★ ★ ★ ★
xuwei0909(金币+10,VIP+0):谢谢!!!
最后不用DFIX, 改成AFIX 3 怎样?
或者 DFIX 0.85 0.02
试试
xi2004-emuch@163.com
2楼2008-10-19 18:35:28
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

xuwei0909

至尊木虫 (著名写手)

二楼的方法好象不好用.各位,有好的解决方法吗?
3楼2008-10-20 20:10:14
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

xi2004

至尊木虫 (职业作家)

解释在这里.

PLAT731 Type_1
Test for consistency of Bond su's and Coordinate su's in CIF A large ratio of the reported and calculated bond s.u.'s is found. The use of a DFIX instruction might cause such a warning since calculated s.u.'s are based on reported variances only.
Note_1: su's on the unitcell dimensions are taken into account in the calculation of expected su's. This may result in large differences between expected and reported su's when this contribution is not included in the reported su's, in particular for inaccurate unitcells.

Note_2: Another source for the discrepancy between calculated and reported su's can be that the validation software has access only to the variances of the refined parameters as opposed to the full co-variance matrix used by e.g. SHELXL for the calculation of derived parameters with associated su's. Constrained/restrained refinement may cause largei co-variances.

你说的可能是 DFIX 0.85 0.02  不行吧?  或许可以再调调 0.02 这个数值
去掉 DFIX 改成 AFIX 3  试过吗?
还有你的单胞偏差对吗?
xi2004-emuch@163.com
4楼2008-10-20 21:28:58
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 xuwei0909 的主题更新
普通表情 高级回复 (可上传附件)
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考研] 材料工程调剂 +10 小刘同学吖吖 2026-04-06 11/550 2026-04-09 10:24 by wp06
[考研] 复试调剂,一志愿郑州大学材料与化工289分 +20 硕星赴 2026-04-08 20/1000 2026-04-09 09:43 by wp06
[考研] 070300化学学硕311分求调剂 +17 梁富贵险中求 2026-04-04 18/900 2026-04-08 22:53 by may_新宇
[考研] 266调剂 +8 daya sun 2026-04-07 9/450 2026-04-08 20:27 by yutian743
[考研] 材料调剂 +19 一样YWY 2026-04-02 20/1000 2026-04-08 11:02 by 不吃魚的貓
[考研] 274求调剂 +4 山阿蔓 2026-04-07 4/200 2026-04-08 09:49 by eyeliyang
[考研] 11408 325分 +3 jgtxuxgkx 2026-04-07 3/150 2026-04-07 23:10 by lbsjt
[考研] 生物学求调剂 一志愿沪9,326分 +6 刘墨墨 2026-04-06 6/300 2026-04-06 19:36 by lijunpoly
[考研] 285求调剂 +8 AZMK 2026-04-04 11/550 2026-04-06 13:56 by BruceLiu320
[考研] 求调剂 +10 Hll胡 2026-04-04 10/500 2026-04-05 20:09 by nepu_uu
[考研] 295求调剂 +8 FZAC123 2026-04-03 8/400 2026-04-05 17:46 by 蓝云思雨
[考研] 材料调剂 +7 dxy调剂 2026-04-04 7/350 2026-04-05 09:15 by 陌秋26
[考研] 290求调剂 +7 luoziheng 2026-04-04 7/350 2026-04-04 23:17 by lqwchd
[考研] 338求调剂 +7 晟功? 2026-04-03 7/350 2026-04-04 20:37 by 蓝云思雨
[考研] 321求调剂 +13 认真求上学 2026-04-02 13/650 2026-04-04 18:23 by macy2011
[考研] 268求调剂 +8 你好tg 2026-04-03 9/450 2026-04-04 05:08 by gswylq
[考研] 数二英二348求调剂 +4 hxdzj1 2026-04-03 5/250 2026-04-03 21:25 by zhq0425
[考研] 考研调剂 +8 不爱喝饮料 2026-04-03 8/400 2026-04-03 16:40 by Mistake-J
[考研] 初试成绩337找调剂 +3 ??? ?. ? 2026-04-03 3/150 2026-04-03 11:43 by 土木硕士招生
[考研] 303求调剂 +3 一色清羽 2026-04-02 4/200 2026-04-03 10:22 by 蓝云思雨
信息提示
请填处理意见