²é¿´: 1380  |  »Ø¸´: 6
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

dufengyu

½ð³æ (ÖøÃûдÊÖ)

[ÇóÖú] Á¦Çó°æÄÚ¸÷λ¸ßÊÖ£¬ACSÆÚ¿¯Éó¸åÈËÌá³öµÄÎÊÌ⣬ʵÔÚ²»ÖªµÀÈçºÎ½â¾ö£¬ÇëÇó°ïÖú¡£¸Ðл¡£ ÒÑÓÐ1È˲ÎÓë

±¾ÈËͶ¸åACSÆÚ¿¯ÎÄÕ£¬Éó¸åÈËÈÏΪÎÒµÄÒ»¸öµ¥¾§½á¹¹½âÎö´æÔÚÒ»¶¨ÎÊÌ⣬²¢Ìá³öÁËÐ޸Ľ¨Òé¡£Õâ¸öµ¥¾§ÊÇÌìÈ»²úÎֻº¬ÓÐC£¬H£¬O£¬NËÄÖÖÔªËØ£¬ËùÒÔ×öµÄÊÇÍ­°Ð¡£
Éó¸åÈ˵ÄÒâ¼ûÊÇ£º
structure 1  has been refined with too few data and/or too many parameters (data-to-parameter ratio 3.68), resulting in esd¡¯s that are twice as large as the typically acceptable values. While the bond length and angle uncertainties are not as large as to put a doubt on the correctness of the molecular structure, I would recommend that the authors try the following:
1. Refine the aromatic ring of this structure as idealized rigid hexagon.
2. Atom H9 (and H9¡¯) is in a chemically impossible position with C9 having a square pyramidal geometry£¨·½×¶ÐΣ©. This has to be corrected.

ÎÒÔø¾­½«Éó¸åÈ˵ÄÒâ¼û·´À¡¸øµ¥¾§½á¹¹½âÎöµÄÀÏʦ£¬¶Ô·½»Ø¸´¹ýÀ´Ð޸ĺóµÄcifÎļþ¡£ÒòΪ±¾ÈËרҵÊÇÌìÈ»²úÎ¶Ôµ¥¾§½á¹¹½âÎöȷʵ֪֮ÉõÉÙ£¬Ö»ÖªµÀ¶Ô·½»Ø¸´¹ýÀ´Ð޸ĺóµÄcifÎļþÖУ¬Flack parameterΪ0.4£¨3£©£¬ÐÞ¸ÄǰΪ0.2£¨2£©£¬ÕâÊDz»ÊÇÒâζ×ÅÐ޸ĺó£¬Flack parameterÎó²î¸ü´ó¡£ÎÒ½«ÐÞ¸ÄǰÓëÐ޸ĺóµÄcifÎļþÉÏ´«¸½¼þ£¬Á¦Çó°æÄÚ¸÷λ¸ßÊÖ½â´ð£º

£¨1£©Éó¸åÈ˵ÄÒâ¼ûÊDz»ÊÇÐÞ¸ÄÆðÀ´±È½Ï·±Ëö£¿Èô¿ÉÄܵϰ£¬ÄÜ·ñÇë°ïæÐÞ¸Äһϡ£

£¨2£©Flack parameterΪ0.4£¨3£©£¬ÊDz»ÊÇÒâζמø¶Ô¹¹ÐÍÎÞ·¨È·¶¨£¬»¹ÐèÒªÐ޸ģ¬ÄÜ·ñ°ïæÐÞ¸Äһϡ£¶àл¡£
»Ø¸´´ËÂ¥

» ±¾Ìû¸½¼þ×ÊÔ´Áбí

  • »¶Ó­¼à¶½ºÍ·´À¡£ºÐ¡Ä¾³æ½öÌṩ½»Á÷ƽ̨£¬²»¶Ô¸ÃÄÚÈݸºÔð¡£
    ±¾ÄÚÈÝÓÉÓû§×ÔÖ÷·¢²¼£¬Èç¹ûÆäÄÚÈÝÉæ¼°µ½ÖªÊ¶²úȨÎÊÌ⣬ÆäÔðÈÎÔÚÓÚÓû§±¾ÈË£¬Èç¶Ô°æÈ¨ÓÐÒìÒ飬ÇëÁªÏµÓÊÏ䣺xiaomuchong@tal.com
  • ¸½¼þ 1 : 131108c£¨ÐÞ¸Äǰ£©.cif
  • 2014-03-18 17:18:14, 30.82 K
  • ¸½¼þ 2 : 131108c£¨Ð޸ĺó£©.cif
  • 2014-03-18 17:18:19, 30.73 K

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dufengyu

½ð³æ (ÖøÃûдÊÖ)

131108c£¨ÐÞ¸Äǰhkl+res£©.rar

» ±¾Ìû¸½¼þ×ÊÔ´Áбí

  • »¶Ó­¼à¶½ºÍ·´À¡£ºÐ¡Ä¾³æ½öÌṩ½»Á÷ƽ̨£¬²»¶Ô¸ÃÄÚÈݸºÔð¡£
    ±¾ÄÚÈÝÓÉÓû§×ÔÖ÷·¢²¼£¬Èç¹ûÆäÄÚÈÝÉæ¼°µ½ÖªÊ¶²úȨÎÊÌ⣬ÆäÔðÈÎÔÚÓÚÓû§±¾ÈË£¬Èç¶Ô°æÈ¨ÓÐÒìÒ飬ÇëÁªÏµÓÊÏ䣺xiaomuchong@tal.com
  • ¸½¼þ 1 : 131108c£¨ÐÞ¸Äǰhkl+res£©.rar
  • 2014-03-19 16:43:52, 102.84 K
5Â¥2014-03-19 16:44:26
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 7 ¸ö»Ø´ð

µt­[

гæ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
dufengyu: ½ð±Ò+5, ¡ïÓаïÖú 2014-03-18 18:19:53
FlackÖµÓÐЩ´óÁË£¬Ã»ÓÐ×ã¹»µÄ·´³£É¢É䣬ÎÞ·¨È·¶¨¾ø¶Ô¹¹ÐÍ¡£Õâ¸öÊÇÑùÆ·µÄÎÊÌ⣬²»ÊǾ«ÐÞµÄÎÊÌâ¡£

ÄãµÄCu°ÐÊÕµ½70¶à¶È£¬²»´íÁË£¬ÎªÊ²Ã´²»ÊÕµÍÎÂÄØ
2Â¥2014-03-18 17:53:23
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dufengyu

½ð³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by µt­[ at 2014-03-18 17:53:23
FlackÖµÓÐЩ´óÁË£¬Ã»ÓÐ×ã¹»µÄ·´³£É¢É䣬ÎÞ·¨È·¶¨¾ø¶Ô¹¹ÐÍ¡£Õâ¸öÊÇÑùÆ·µÄÎÊÌ⣬²»ÊǾ«ÐÞµÄÎÊÌâ¡£

ÄãµÄCu°ÐÊÕµ½70¶à¶È£¬²»´íÁË£¬ÎªÊ²Ã´²»ÊÕµÍÎÂÄØ

¸Ðл»Ø¸´¡£Õâ¸öµ¥¾§ÑùÆ·Ä¿²â¿ÅÁ£±È½Ï´ó£¬ÇÒ͸Ã÷£¬Ö®Ç°¸Ð¾õÅàÑøµÄ±È½Ï²îµÄ¾§ÌåÒ²²âµÃºÜºÃ£¬Ã»Ïëµ½Õâ´Î¡£¡£¡£
ÄÇôÄãµÄÒâ˼ÊÇFlackÖµÒѾ­ÎÞ·¨Ð޸ĵĸüСµãÂð£¿Ö®Ç°0.2£¨2£©£¬Éó¸åÈËÈÏΪ»¹´ÕºÏ¡£
ÁíÍâÉó¸åÈËÌáµÄÄÇÁ½µã½¨ÒéÄú¾õµÃÐÞÆðÀ´¸´ÔÓÂð£¿ÒªÇóÊDz»ÊÇÓеã¿Á¿ÌÁË¡£
3Â¥2014-03-18 18:19:47
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dufengyu

½ð³æ (ÖøÃûдÊÖ)

ÔÙûÓÐÈËÂð£¿
4Â¥2014-03-19 10:20:57
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 286·ÖÈ˹¤ÖÇÄÜרҵÇëÇóµ÷¼ÁÔ¸Òâ¿ç¿¼£¡ +3 lemonzzn 2026-03-17 3/150 2026-03-19 23:58 by 23Postgrad
[¿¼ÑÐ] 081700»¯¹¤Ñ§Ë¶µ÷¼Á +3 ¡¾1¡¿ 2026-03-16 3/150 2026-03-19 23:40 by edmund7
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +4 z1z2z3879 2026-03-14 6/300 2026-03-19 17:18 by fei626-918
[¿¼ÑÐ] ²ÄÁÏ080500µ÷¼ÁÇóÊÕÁô +4 Ò»¿Åmeteor 2026-03-13 4/200 2026-03-19 10:32 by 30660438
[¿¼ÑÐ] 330Çóµ÷¼Á +3 С²Ä»¯±¾¿Æ 2026-03-18 3/150 2026-03-18 21:55 by ÎÞи¿É»÷111
[¿¼ÑÐ] 311Çóµ÷¼Á +4 ¶¬Ê®Èý 2026-03-18 4/200 2026-03-18 21:47 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] 26µ÷¼Á/²ÄÁÏ/Ó¢Ò»Êý¶þ/×Ü·Ö289/ÒѹýAÇøÏß +7 ²½´¨¿á×Ï123 2026-03-13 7/350 2026-03-18 17:12 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] 295Çóµ÷¼Á +3 Ò»Ö¾Ô¸¾©Çø211 2026-03-18 5/250 2026-03-18 17:03 by zhaoqian0518
[¿¼ÑÐ] 085601ר˶£¬×Ü·Ö342Çóµ÷¼Á£¬µØÇø²»ÏÞ +5 share_joy 2026-03-16 5/250 2026-03-18 14:48 by haxia
[¿¼ÑÐ] ²ÄÁÏר˶306Ó¢Ò»Êý¶þ +10 z1z2z3879 2026-03-16 13/650 2026-03-18 14:20 by 007_lilei
[¿¼ÑÐ] 302Çóµ÷¼Á +10 ºôºôºô¡£¡£¡£¡£ 2026-03-17 10/500 2026-03-18 12:45 by Linda Hu
[¿¼ÑÐ] »·¾³¹¤³Ìµ÷¼Á +8 ´ó¿Édigkids 2026-03-16 8/400 2026-03-18 09:36 by zhukairuo
[¿¼ÑÐ] ¿¼ÑÐÇóµ÷¼Á +3 éÙËÌ. 2026-03-17 4/200 2026-03-17 21:43 by ÓÐÖ»ÀêÅ«
[¿¼ÑÐ] 085601Çóµ÷¼Á +4 Du.11 2026-03-16 4/200 2026-03-17 17:08 by ruiyingmiao
[¿¼ÑÐ] 274Çóµ÷¼Á +5 ʱ¼äµã 2026-03-13 5/250 2026-03-17 07:34 by ÈÈÇéɳĮ
[¿¼ÑÐ] 326Çóµ÷¼Á +4 ŵ±´¶û»¯Ñ§½±êéê 2026-03-15 7/350 2026-03-16 17:11 by ŵ±´¶û»¯Ñ§½±êéê
[¿¼ÑÐ] ÇóÀÏʦÊÕÁôµ÷¼Á +4 jiang½ª66 2026-03-14 5/250 2026-03-15 20:11 by Winj1e
[¿¼ÑÐ] 085601²ÄÁϹ¤³Ì315·ÖÇóµ÷¼Á +3 yang_0104 2026-03-15 3/150 2026-03-15 10:58 by peike
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +3 ºôºô£¿~+123456 2026-03-14 3/150 2026-03-14 16:53 by WTUChen
[¿¼ÑÐ] 304Çóµ÷¼Á +7 7712b 2026-03-13 7/350 2026-03-13 21:42 by peike
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û