²é¿´: 633  |  »Ø¸´: 2
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

±»·çÂÓ¹ý

½ð³æ (ÕýʽдÊÖ)

[ÇóÖú] ½ñÌì·­ÒëÂÛÎÄ·¢ÏÖ×Ô¼ºµÄÓ¢ÎÄÀôó½ÖÁË£¬µÚÈý´ÎÇóÖú

The geometry around this pentacoordinated Zn atom is distorted square pyramid. The Zn(1)AO(1) bond distance (1.972(4) Å and Zn(1)-O(3) bond distance (1.977(4) Å are slightly shorter than that of Zn(2)-O(5) (1.988(4))  and obviously shorter than that of Zn(2)-O(2) (2.152(4) Å and Zn(2)-O(4)ii (2.151(4) Å. The Zn(2)AN(1) bond distance (2.023(4)) and Zn(2)AN(2)ii bond distance (2.019(4) Å are slightly shorter than that ZnAN bond distances reported in the literature , and significantly shorter than other ZnAN bond distances (2.148(3) and 2.156(3) Å reported in the literature . In each ligand PIDC, the imidazole ring and pyridyl ring are almost vertical with a dihedral angle of 76.6¡ã. It is worth noting that the PIDC in 1 adopts a new ¦Ì4-kN, O:kN¡¯, O¡¯:kO¡¯¡¯, 0¡¯¡¯¡¯:kN¡¯¡¯¡¯coordination mode (Scheme 1) to bridge four Zn(II) atoms in bis-N,O-chelating, O,O¡¯-chelating, and monodentate fashions. The overall structure of 1 is a two-dimensional framework, as illustrated in Fig. 2. Moreover, the hydrogen bond (Table 4) occurring at O5--H5A. . .O3i and O5--H5B. . .O1ii give rise to a three-dimensional framework.
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÄãÒÔΪÎÒÊǸö»µÈË£¬ÆäʵÄã´íÁË£¬ÎÒÊÇÒ»¸ö±íÀï²»Ò»µÄÈË¡£
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mayingzhao2

ľ³æ (ÕýʽдÊÖ)

Hugo

ÀÖÒâЧÀÍ£¬ºÙºÙ£¡
Chaaaaaaaaaaaaaaaaaarrrrrrrrrrrrrrrrrrrrrrrrrrrrrge!!!!!!!!!!!!!!1111
3Â¥2012-03-26 19:25:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 3 ¸ö»Ø´ð

mayingzhao2

ľ³æ (ÕýʽдÊÖ)

Hugo

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
±»·çÂÓ¹ý: ½ð±Ò+30, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ÎҸоõºÜ¸øÁ¦ 2012-03-25 20:50:51
¶ÔÓÚÕâ¸ö5ÅäλµÄZnÔ­×Ó¶øÑÔ£¬ËüµÄÅäλ»·¾³ÎªÒ»¸öŤÇúµÄ°ËÃæÌå½á¹¹£¨square pyramidÊÇÕýËĽÇ×¶ÖùµÄÒâ˼£¬¾ÍÏ൱ÓÚ°ÑÁ½¸ö½ð×ÖËþÐÎ×´µÄÎïÌ壬ËüÃǵÄËıßÐεØÃæ±Ë´Ëð¤ÔÚÒ»Æð¶øÐγɵÄÎïÌ壬µ£²»Ò»¶¨ÊÇÕý°ËÃæÌ壩£¬Zn(1)AO(1)¼üµÄ¼ü³¤Îª1.972£¨4£©°££¬Zn(1)-O(3)¼ü¼ü³¤Îª1.977£¨4£©°££¬ÕâÁ½Õߵļü³¤¶¼Òª±ÈZn(2)-O(5)µÄ1.988£¨4£©°£µÄ¼ü³¤ÒªÉÔ¶Ì£¬¶øÏà±ÈZn(2)-O(2)¼üºÍZn(2)-O(4)¼ü¡¾¼ü³¤·Ö±ðΪ2.152(4)°£ºÍ2.151(4)°£¡¿£¬ÕâÁ½Õߵļü³¤ÔòÃ÷ÏÔÒª¸ü¶ÌһЩ¡£¶ÔÓÚZn(2)AN(1)¼ü¡¾¼ü³¤Îª2.023£¨4£©°£¡¿ºÍZn(2)AN(2)ii¼ü¡¾¼ü³¤Îª2.019(4)°£¡¿£¬Á½Õß¼ü³¤Óë±¾ÎÄÏ×ÖÐËù±¨¸æµÄZnAN¼ü³¤Ïà±ÈÒªÉÔ¶Ì£¬¶øÓëÆäËûÎÄÏ×ÖÐËù±¨¸æµÄZnAN¼ü¼ü³¤¡¾(2.148(3) °£¼°2.156(3)°£ ¡¿Ïà±È£¬Ôò»á¼«ÎªÃ÷ÏÔµÄÒª¶ÌºÜ¶à¡£ÔÚÿ¸öPIDCÅäÌåÖУ¬ßäßò»·ºÍßÁऻ·Ö®¼äµÄ½Ç¶ÈΪ76.6¶È£¬¼¸ºõ´¹Ö±¡£ÖµµÃ×¢ÒâµÄÊÇ£¬ÔÙÅäºÏÎï1ÖУ¬PIDCÅäÌå²ÉÈ¡µÄÅäλģʽΪһ¸öеĦÌ4-kN, O:kN¡¯, O¡¯:kO¡¯¡¯, 0¡¯¡¯¡¯:kN¡¯¡¯¡¯Åäλģʽ£¨Èçͼ±í1Ëùʾ£©£¬½ÓסÕâÖÖÅäλģʽ£¬£¬PIDCÅäÌ彫ËĸöZn£¨¶þ¼Û£©·Ö±ðÒÔ Á½¸öN,OòüºÏµÄÐÎʽ£¬Ò»¸öO,OòüºÏµÄÐÎʽ¼°Ò»¸öµ¥³ÝÅäºÏµÄÐÎʽÅäλ³ÉÐÍ¡£ÅäºÏÎï1µÄÕûÌå½á¹¹ÊÇÒ»¸ö¶þάµÄ¿ò¼Ü£¬£¨Èçͼ2Ëùʾ£©¡£³ý´ËÖ®Í⣬ÔÚO5--H5A. . .O3iÖ®¼ä³öÏÖµÄÇâ¼üºÍÔÚO5--H5B. . .O1iiÖ®¼ä³öÏÖµÄÇâ¼ü×îÖÕ´Ù³ÉÁ˸ÄÅäºÏÎïµÄÈýά½á¹¹£¨Òâ˼¾ÍÊÇ˵¶þά½á¹¹Ö®¼äͨ¹ýÕâЩÇâ¼üÏàÁ¬×îÖÕ³ÉΪÈýά½á¹¹£©¡£
Chaaaaaaaaaaaaaaaaaarrrrrrrrrrrrrrrrrrrrrrrrrrrrrge!!!!!!!!!!!!!!1111
2Â¥2012-03-25 16:47:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 335Çóµ÷¼Á +4 yuyuÓî 2026-03-23 5/250 2026-03-23 23:49 by Txy@872106
[¿¼ÑÐ] ²ÄÁÏר˶ÕÒµ÷¼Á +3 ¹þ¹þ¹þºðºðºð¹þ 2026-03-23 3/150 2026-03-23 23:13 by peike
[¿¼ÑÐ] 0854 ¿¼Ñе÷¼Á ÕÐÉúÁË£¡AI ·½Ïò +4 pk3725069 2026-03-19 16/800 2026-03-23 23:09 by Íô£¡£¿£¡
[¿¼ÑÐ] 335·Ö | ²ÄÁÏÓ뻯¹¤×¨Ë¶ | GPA 4.07 | ÓпÆÑо­Àú +4 cccchenso 2026-03-23 4/200 2026-03-23 23:00 by Ðìckkk
[¿¼ÑÐ] 350Çóµ÷¼Á +6 weudhdk 2026-03-19 6/300 2026-03-23 15:47 by tangyuan0840221
[¿¼ÑÐ] 306Çóµ÷¼Á +9 chuanzhu´¨Öò 2026-03-18 9/450 2026-03-23 13:17 by luoyongfeng
[¿¼ÑÐ] Ò»Ö¾Ô¸070300Õã´ó»¯Ñ§358·Ö£¬Çóµ÷¼Á£¡ +4 ËÖËÖÓã.. 2026-03-21 4/200 2026-03-23 08:12 by Iveryant
[¿¼ÑÐ] 307Çóµ÷¼Á +11 ÀäóÏ123 2026-03-17 11/550 2026-03-22 20:16 by edmund7
[¿¼ÑÐ] 354Çóµ÷¼Á +7 Tyoumou 2026-03-18 10/500 2026-03-22 11:11 by ÈËÀ´Ê¢
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖпƼ¼´óѧ071000£¬Çóµ÷¼Á +4 ÑØ°¶Óб´¿Ç6 2026-03-21 4/200 2026-03-22 07:21 by ilovexiaobin
[¿¼ÑÐ] ×ÊÔ´Óë»·¾³ µ÷¼ÁÉêÇë(333·Ö) +5 holy J 2026-03-21 5/250 2026-03-21 22:42 by Catalysis25
[¿¼ÑÐ] Çóµ÷¼Á +3 13341 2026-03-20 3/150 2026-03-21 18:28 by ѧԱ8dgXkO
[¿¼ÑÐ] 0703»¯Ñ§297Çóµ÷¼Á +3 Daisy¡î 2026-03-20 3/150 2026-03-21 17:45 by ColorlessPI
[¿¼ÑÐ] ²ÄÁÏѧѧ˶080502 337Çóµ÷¼Á-Ò»Ö¾Ô¸»ªÖпƼ¼´óѧ +4 ˳˳˳mr 2026-03-18 5/250 2026-03-21 10:22 by luoyongfeng
[¿¼ÑÐ] 085700×ÊÔ´Óë»·¾³308Çóµ÷¼Á +12 īīĮ 2026-03-18 13/650 2026-03-21 01:42 by JourneyLucky
[¿¼ÑÐ] ¿¼Ñе÷¼ÁÇóÑ§Ð£ÍÆ¼ö +3 ²®ÀÖ29 2026-03-18 5/250 2026-03-20 22:59 by JourneyLucky
[¿¼ÑÐ] 353Çóµ÷¼Á +3 À­¹³²»Ðí±ä 2026-03-20 3/150 2026-03-20 19:56 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄÏÀí¹¤085701»·¾³302Çóµ÷¼ÁԺУ +3 ¿ûè÷ÎÀ¶Ó 2026-03-20 3/150 2026-03-20 19:28 by zhukairuo
[¿¼ÑÐ] ²ÄÁÏѧ˶318Çóµ÷¼Á +5 February_Feb 2026-03-19 5/250 2026-03-19 23:51 by 23Postgrad
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á +3 ÄÝÄÝninicgb 2026-03-17 3/150 2026-03-18 10:29 by macy2011
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û