Znn3bq.jpeg
²é¿´: 766  |  »Ø¸´: 8
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

sunny_sky681

ľ³æ (СÓÐÃûÆø)

Ô¡»ðÖØÉúµÄ·ï»Ë

[½»Á÷] [ÇóÖú]¹ý¶É̬ѰÕÒºÍÓÅ»¯QST2ÊäÈëµÄÎÊÌâ

Çë½Ì¹ØÓÚ¹ý¶É̬OPTÊäÈëµÄÎÊÌ⣬ÆäÖÐQST2·½·¨ÊÇÒªÊäÈë·´Ó¦ÎïºÍ²úÎïÁ½¸ö×ø±êµÄ£¬¸ñʽÈçÏ£º
·´Ó¦ SiH4-->TS-->SiH2+H2

# RHF/6-31G(d) OPT=QST2 Freq Test

Untitled

0,1
reactance(SiH4)

Untitled

0,1
product(SiH2+H2)

ÄÇô¶ÔÓÚ·´Ó¦A+B--->C+DÕâÑùµÄ·´Ó¦ÄØ£¬¸ÃÈçºÎÊäÈëÄØ£¿£¨¼ÙÉèAºÍCÊÇÖ÷ÒªµÄ·´Ó¦ÎïºÍ²úÎ

----------------·Ö¸îÏß-----------------------------

ÎÒÔÚÍøÉϲ鵽һЩ×ÊÁÏ£¬Çë½Ì½â¶ÁһϿ©£¬ÆäÖеÄH2·ÅÔÚÄÄÀïÁËÄØ£¿
¶ÔÓÚ·´Ó¦ SiH4-->TS-->SiH2+H2
ÕâÊÇÒ»¸öA--->B+C µÄ·´Ó¦

%chk=qst2
#hf/3-21g* opt=(QST2,noeigen,redundant) freq Test

SiH4 -->SiH2+H2   Reactants

0  1
Si
X 1 1.0
H 1 1.48 2 55.0
H 1 1.48 2 55.0 3 180.0
H 1 R 2 A1 3 90.0
H 1 R 5 A2 2 180.0

R=1.48
A1=125.2
A2=109.5

SiH4-->SiH2+H2  products

2  3
Si
X 1 1.0
H 1 1.48 2 55.0
H 1 1.48 2 55.0 3 180.0
H 1 R 2 A1 3 90.0
H 1 R 5 A2 2 180.0

R=1.69
A1=82.0
A2=28.0

ÒÔÉÏÓï¾ä£¬Ç°ºóµÄÔ­×ÓÊýÊÇÒ»ÑùµÄ£¡µ«ÊÇH2²»ÊÇÒѾ­·Ö³öÈ¥ÁËÂΪʲô¿©
»Ø¸´´ËÂ¥
×öÒ»¸öÉÆÁ¼µÄÈË
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

gaochao85

Í­³æ (ÕýʽдÊÖ)

¡ï
zzgyb(½ð±Ò+1,VIP+0):ллÄãµÄ²ÎÓ룬»¶Ó­ÔٴιâÁÙ¼ÆËãÄ£Äâ°æ£¡
Æäʵ ¾ÍÊǰÑSiH2ÓëH2·ÅÔÚÒ»¸öÊʵ±µÄ¾àÀ룬 ¾ÍÊÇmolecule-molecule complex
È»ºóÓÅ»¯
4Â¥2008-10-06 17:19:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 9 ¸ö»Ø´ð

gaochao85

Í­³æ (ÕýʽдÊÖ)

¡ï
zzgyb(½ð±Ò+1,VIP+0):ллÄãµÄ²ÎÓ룬»¶Ó­ÔٴιâÁÙ¼ÆËãÄ£Äâ°æ£¡
£Ñ£Ó£Ô2ÒªÇó¹ý¶É̬Á½±ßµÄÁ½¸öÖмäÌ壬ÕâÁ½¸öÖмäÌåÒ»°ãÊǽÏÎȶ¨µÄ¸´ºÏÎÄãºóÃæÓ¦¸ÃÊÇÒ»¸ö²úÎ︴ºÏÎï
2Â¥2008-10-06 16:40:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

sunny_sky681

ľ³æ (СÓÐÃûÆø)

Ô¡»ðÖØÉúµÄ·ï»Ë

ÒýÓûØÌû:
Originally posted by gaochao85 at 2008-10-6 16:40:
£Ñ£Ó£Ô2ÒªÇó¹ý¶É̬Á½±ßµÄÁ½¸öÖмäÌ壬ÕâÁ½¸öÖмäÌåÒ»°ãÊǽÏÎȶ¨µÄ¸´ºÏÎÄãºóÃæÓ¦¸ÃÊÇÒ»¸ö²úÎ︴ºÏÎï

ºÎν²úÎ︴ºÏÎ²»ÖªµÀÔõô°ÑSiH2ºÍH2ºÏ²¢µ½Ò»Æð¿©...¾ÍÊÇÕâ¸ö²»¶®À²£¬ÎÒÅöµ½µÄÊÇA+B+C--->E+FÐÎʽµÄ·´Ó¦£¬º¹~
×öÒ»¸öÉÆÁ¼µÄÈË
3Â¥2008-10-06 16:42:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

sunny_sky681

ľ³æ (СÓÐÃûÆø)

Ô¡»ðÖØÉúµÄ·ï»Ë

ÒýÓûØÌû:
Originally posted by gaochao85 at 2008-10-6 17:19:
Æäʵ ¾ÍÊǰÑSiH2ÓëH2·ÅÔÚÒ»¸öÊʵ±µÄ¾àÀ룬 ¾ÍÊÇmolecule-molecule complex
È»ºóÓÅ»¯

MM·¨ÓÅ»¯£¿ÎÒ²»Çå³þÕâ¸öÊʵ±µÄ¾àÀëÊÇÔõô°Ú°¡£¬¾ÍÊÇËæ±ã»­µÄÂ𣿶øÇÒËäÈ»»­ÔÚÒ»Æð£¬µ«ÊÇ·Ö¿ªµÄ»°£¬Ô­×Ó±êºÅÒ²µ÷²»À´...±§Ç¸£¬ÎÒ²»»áÊÖ¶¯ÊäÈë×ø±ê£¬¶¼ÊÇÓÃhyperchemµÄ...
×öÒ»¸öÉÆÁ¼µÄÈË
5Â¥2008-10-06 20:26:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬»¯Ñ§310·Ö£¬±¾¿ÆÖصãË«·Ç£¬Çóµ÷¼Á +13 ŬÁ¦·Ü¶·112 2026-04-08 13/650 2026-04-08 21:17 by ѧԱtURuqU
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬»¯Ñ§Ñ§Ë¶£¬310·Ö£¬±¾¿ÆÖصãË«·Ç£¬Çóµ÷¼Á +20 ŬÁ¦·Ü¶·112 2026-04-07 21/1050 2026-04-08 14:54 by screening
[¿¼ÑÐ] 298Çóµ÷¼Á +6 ¶¤¶£ß˶¬¹Ï 2026-04-07 8/400 2026-04-08 10:51 by ÖзÉÔº¿Õ¹ÜѧԺÑ
[¿¼ÑÐ] 285Çóµ÷¼Á +18 AZMK 2026-04-02 19/950 2026-04-08 10:33 by xingguangj
[¿¼ÑÐ] ÉúÎïµ÷¼Á +5 ³È×Ó³È×Ó³È×Ó°¡ 2026-04-05 9/450 2026-04-07 15:31 by Éϰ¶¿ì¿ì
[¿¼ÑÐ] 287·ÖÇóµ÷¼Á ÓÐרÀû¹ú½±Ò»Ö¾Ô¸¹þ¹¤´ó085406 +6 °×Ò׳½ 2026-04-06 7/350 2026-04-06 22:46 by 875465
[¿¼ÑÐ] ¿¼Ñе÷¼Á +3 WwwwwwwÍÛ 2026-04-06 3/150 2026-04-06 20:55 by lbsjt
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +5 СÁõͬѧ߹߹ 2026-04-06 5/250 2026-04-06 18:34 by sherry_1901
[¿¼ÑÐ] Ò»Ö¾Ô¸°²»Õij211 0703»¯Ñ§×Ü·Ö339Çóµ÷¼Á +7 Íí·ç²»Íí 2026-04-04 7/350 2026-04-06 14:06 by houyaoxu
[¿¼ÑÐ] Ò»Ö¾Ô¸±±½»´ó²ÄÁϹ¤³Ì×Ü·Ö358Çóµ÷¼Á +6 cs0106 2026-04-05 6/300 2026-04-05 16:34 by imissbao
[¿¼ÑÐ] 288Çóµ÷¼Á£¬Ò»Ö¾Ô¸»ªÄÏÀí¹¤´óѧ071005 +6 ioodiiij 2026-04-04 6/300 2026-04-05 10:09 by guoweigw
[¿¼ÑÐ] ÇóÉúÎïѧѧ˶µ÷¼Á¡ª¡ª364·Ö +7 ÔÆ¶äåÞÍäÖ¸ÄÏ 2026-04-04 7/350 2026-04-04 22:49 by zhyzzh
[¿¼ÑÐ] »·¾³285·Ö£¬¹ýÁù¼¶£¬Çóµ÷¼Á +10 xhr12 2026-04-02 10/500 2026-04-04 21:53 by bn53987
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄÏÅ©090401£¬268£¬Çóµ÷¼Á +5 һľÄñÈ» 2026-04-04 5/250 2026-04-04 17:07 by babysonlkd
[¿¼ÑÐ] 266Çóµ÷¼Á +8 ѧԱ97LZgn 2026-04-03 8/400 2026-04-04 09:02 by 20021109
[¿¼ÑÐ] 366Çóµ÷¼Á +7 sbdnd 2026-04-03 7/350 2026-04-03 12:40 by cymywx
[¿¼ÑÐ] 313Çóµ÷¼Á +3 ¡«Î¢Î¢Á¹¡« 2026-04-03 3/150 2026-04-03 11:25 by à£à£à£0119
[¿¼ÑÐ] 312Çóµ÷¼Á +6 ССī123 2026-04-02 7/350 2026-04-03 07:32 by jsw79
[¿¼ÑÐ] ½»Í¨ÔËÊ俼ÊÔ264·ÖÇ󹤿Ƶ÷¼Á +4 jike777 2026-04-02 4/200 2026-04-02 21:53 by zllcz
[¿¼ÑÐ] 260Çóµ÷¼Á +6 ÖìÜÆÁÕ 2026-04-02 6/300 2026-04-02 20:27 by 6781022
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û