| 4 | 1/1 | 返回列表 |
| 查看: 1173 | 回復(fù): 3 | ||
tangosnow木蟲 (小有名氣)
|
[求助]
計(jì)算NMR中出現(xiàn)的問題
|
|
各位兄弟姐妹,我在用gipaw.x計(jì)算alpha-Na2Si2O5的nmr參數(shù)時(shí),出現(xiàn)下面的情況: stopping ...stopping ... from cdiaghg : error # 169 problems computing cholesky 我實(shí)在不太明白這是什么意思,由于GIPAW的贗勢在同類元素中計(jì)算出的結(jié)果可以和實(shí)驗(yàn)值對應(yīng),所以我懷疑是不是原子坐標(biāo)出現(xiàn)了問題,我把system和atomic position兩部分貼上: &system ibrav = 8 celldm(1) = 12.1112 celldm(2) = 2.4063 celldm(3) = 0.7639 nat = 36 ntyp = 3 ecutwfc = 40 ecutrho = 500 ATOMIC_POSITIONS crystal O 0.1793300000000000 0.3478600000000001 0.6170700000000000 O -0.0469200000000000 0.4214100000000001 0.2394500000000000 O -0.1793300000000000 -0.3478600000000001 0.6170700000000000 O 0.0469200000000000 -0.4214100000000001 0.2394500000000000 O -0.1793300000000000 0.3478600000000001 -0.6170700000000000 O 0.0469200000000000 0.4214100000000001 -0.2394500000000000 O 0.1793300000000000 -0.3478600000000001 -0.6170700000000000 O -0.0469200000000000 -0.4214100000000001 -0.2394500000000000 O -0.1793300000000000 -0.3478600000000001 -0.6170700000000000 O 0.0469200000000000 -0.4214100000000001 -0.2394500000000000 O 0.1793300000000000 0.3478600000000001 -0.6170700000000000 O -0.0469200000000000 0.4214100000000001 -0.2394500000000000 O 0.1793300000000000 -0.3478600000000001 0.6170700000000000 O -0.0469200000000000 -0.4214100000000001 0.2394500000000000 O -0.1793300000000000 0.3478600000000001 0.6170700000000000 O 0.0469200000000000 0.4214100000000001 0.2394500000000000 O 0.0000000000000000 0.2500000000000000 0.2392900000000000 O 0.0000000000000000 -0.2500000000000000 0.2392900000000000 O 0.0000000000000000 0.2500000000000000 -0.2392900000000000 O 0.0000000000000000 -0.2500000000000000 -0.2392900000000000 Na 0.0988800000000000 0.5603600000000000 0.2370400000000000 Na -0.0988800000000000 -0.5603600000000000 0.2370400000000000 Na -0.0988800000000000 0.5603600000000000 -0.2370400000000000 Na 0.0988800000000000 -0.5603600000000000 -0.2370400000000000 Na -0.0988800000000000 -0.5603600000000000 -0.2370400000000000 Na 0.0988800000000000 0.5603600000000000 -0.2370400000000000 Na 0.0988800000000000 -0.5603600000000000 0.2370400000000000 Na -0.0988800000000000 0.5603600000000000 0.2370400000000000 Si 0.1051600000000000 0.3429800000000002 0.2962400000000000 Si -0.1051600000000000 -0.3429800000000002 0.2962400000000000 Si -0.1051600000000000 0.3429800000000002 -0.2962400000000000 Si 0.1051600000000000 -0.3429800000000002 -0.2962400000000000 Si -0.1051600000000000 -0.3429800000000002 -0.2962400000000000 Si 0.1051600000000000 0.3429800000000002 -0.2962400000000000 Si 0.1051600000000000 -0.3429800000000002 0.2962400000000000 Si -0.1051600000000000 0.3429800000000002 0.2962400000000000 alpha-Na2Si2O5的信息如下: Reference Acta Crystallographica B (24,1968-38,1982) (1968), 24, 13-19 Unit Cell 6.409(2) 15.422(4) 4.896(2) 90. 90. 90. Vol 483.92 Z 4 Space Group P c n b SG Number 60 Cryst Sys orthorhombic Pearson oP36 Wyckoff d4 c R Value .039 Red Cell P 4.896 6.409 15.422 90 90 90 483.919 Trans Red 0.000 0.000 1.000 / 1.000 0.000 0.000 / 0.000 1.000 0.000 Atom # OX SITE x y z SOF H Na 1 +1 8 d 0.09888(15) 0.56036(5) 0.23704(16) 1. 0 Si 1 +4 8 d 0.10516(9) 0.34298(3) 0.29624(9) 1. 0 O 1 -2 4 c 0 0.25 0.23929(42) 1. 0 O 2 -2 8 d 0.17933(25) 0.34786(9) 0.61707(26) 1. 0 O 3 -2 8 d -.04692(26) 0.42141(9) 0.23945(28) 1. 0 Lbl Type U11 U22 U33 U12 U13 U23 Na1 Na1+ 0.0153(4) 0.0182(4) 0.0130(3) 0.0008(4) 0.0003(3) -.0008(3) Si1 Si4+ 0.0104(3) 0.0089(2) 0.0056(2) -.0010(2) -.0005(2) 0.0001(2) O1 O2- 0.0281(13) 0.0156(9) 0.0172(9) -.011(1) 0 0 O2 O2- 0.0121(7) 0.0219(6) 0.0074(5) 0.0027(6) -.0005(5) -.0007(5) O3 O2- 0.0165(8) 0.0161(6) 0.0129(6) 0.0034(6) -.0017(5) 0.0004(5) *end for ICSD #34669 請指點(diǎn)一下 |
木蟲 (小有名氣)
木蟲 (正式寫手)
木蟲 (小有名氣)
| 4 | 1/1 | 返回列表 |
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 309求調(diào)劑 +17 | 誰不是少年 2026-03-29 | 17/850 |
|
|---|---|---|---|---|
|
[考研] 070300化學(xué)求調(diào)劑 +12 | 小黃鴨寶 2026-03-30 | 12/600 |
|
|
[考研] 307分求調(diào)劑 +6 | (o~o) 2026-03-31 | 6/300 |
|
|
[考研] 085404 22408 315分 +5 | zhuangyan123 2026-03-31 | 6/300 |
|
|
[考研] 一志愿西電085401數(shù)一英一299求調(diào)劑 六級521 +4 | 愛吃大鴨梨 2026-03-31 | 4/200 |
|
|
[考研] 313求調(diào)劑 +6 | 賣個(gè)關(guān)子吧 2026-03-31 | 6/300 |
|
|
[考研] 085600材料與化工329分求調(diào)劑 +5 | 這是有太陽哇 2026-03-25 | 5/250 |
|
|
[考研] 08工科求調(diào)劑286 +5 | tgs_001 2026-03-28 | 5/250 |
|
|
[考研] 一志愿食品科學(xué)與工程083200求調(diào)劑 +4 | XQTJZ 2026-03-30 | 4/200 |
|
|
[考研] 英一數(shù)一408,總分284,二戰(zhàn)真誠求調(diào)劑 +3 | 12.27 2026-03-30 | 5/250 |
|
|
[考研] 085701環(huán)境工程求調(diào)劑 +11 | 多久上課 2026-03-27 | 12/600 |
|
|
[考研] 11408總分309,一志愿東南大學(xué)求調(diào)劑,不挑專業(yè) +5 | 天賦帶到THU 2026-03-29 | 6/300 |
|
|
[有機(jī)交流] 考研調(diào)劑 +8 | watb 2026-03-26 | 8/400 |
|
|
[考研] 一志愿中南大學(xué)化學(xué)0703總分337求調(diào)劑 +6 | niko- 2026-03-27 | 6/300 |
|
|
[考研] 343求調(diào)劑085601 +3 | 要努力學(xué)習(xí)x 2026-03-29 | 3/150 |
|
|
[考研] 316求調(diào)劑 +7 | 江辭666 2026-03-26 | 7/350 |
|
|
[考研] 壓國家一區(qū)線,求導(dǎo)師收留,有恩必謝! +7 | 迷人的哈哈 2026-03-28 | 7/350 |
|
|
[考研] 本科新能源科學(xué)與工程,一志愿華理能動(dòng)285求調(diào)劑 +3 | AZMK 2026-03-27 | 5/250 |
|
|
[考研] 394求調(diào)劑 +3 | 好事多磨靜候佳?/a> 2026-03-26 | 5/250 |
|
|
[考研] 330一志愿中國海洋大學(xué) 化學(xué)工程 085602 有讀博意愿 求調(diào)劑 +3 | wywy.. 2026-03-27 | 4/200 |
|