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xiaowandouer木蟲(chóng) (正式寫(xiě)手)
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[交流]
【調(diào)查】高斯計(jì)算,你算過(guò)的最大體系有多少個(gè)基函數(shù)? 已有7人參與
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想看看在大家的實(shí)際應(yīng)用過(guò)程中,高斯到底能算多大體系,便于確認(rèn)有些體系能否用高斯來(lái)算。 先說(shuō)說(shuō)自己的情況 最大698個(gè)基函數(shù)。 先用小或中等基組優(yōu)化(比如3-21g,6-31g),然后再用大基組優(yōu)化(如6-311++**),一個(gè)體系用時(shí)1~2天,包括構(gòu)型優(yōu)化和頻率計(jì)算 用的是八核心,12gb內(nèi)存的服務(wù)器 你算過(guò)的體系最大有多大呢?歡迎回帖 [ Last edited by xiaowandouer on 2010-10-14 at 17:55 ] |
鐵桿木蟲(chóng) (著名寫(xiě)手)
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2507 basis functions, 4257 primitive gaussians, 2507 cartesian basis functions 904 alpha electrons 904 beta electrons 至今最大的,正在優(yōu)化,用的HF/sto-3g,一步還沒(méi)優(yōu)化完成,出現(xiàn)一堆這個(gè): Matrix for removal 13 Erem= -27477.1167834245 Crem= 0.000D+00 Matrix for removal 13 Erem= -27477.1167834245 Crem= 0.000D+00 Matrix for removal 13 Erem= -27477.1167834245 Crem= 0.000D+00 Matrix for removal 13 Erem= -27477.1167834245 Crem= 0.000D+00 Matrix for removal 13 Erem= -27477.1167834245 Crem= 0.000D+00 Matrix for removal 13 Erem= -27477.1167834245 Crem= 0.000D+00 Matrix for removal 13 Erem= -27477.1167834245 Crem= 0.000D+00 Matrix for removal 13 Erem= -27477.1167834245 Crem= 0.000D+00 Matrix for removal 13 Erem= -27477.1167834245 Crem= 0.000D+00 Matrix for removal 13 Erem= -27477.1167834245 Crem= 0.000D+00 Matrix for removal 13 Erem= -27477.1167834245 Crem= 0.000D+00 Matrix for removal 13 Erem= -27477.1167834245 Crem= 0.000D+00 Matrix for removal 13 Erem= -27477.1167834245 Crem= 0.000D+00 Matrix for removal 13 Erem= -27477.1167834245 Crem= 0.000D+00 Matrix for removal 13 Erem= -27477.1167834245 Crem= 0.000D+00 Matrix for removal 19 Erem= -27477.1067502417 Crem= 0.000D+00 Rare condition: small coef for last iteration: 0.000D+00 Matrix for removal 19 Erem= -2414.37063519855 Crem= 0.000D+00 Rare condition: small coef for last iteration: 0.000D+00 Matrix for removal 19 Erem= 50681.2947649738 Crem= 0.000D+00 Restarting incremental Fock formation. Matrix for removal 19 Erem= 90021.2137385818 Crem= 0.000D+00 Matrix for removal 19 Erem= 79341.1124489126 Crem= 0.000D+00 Matrix for removal 19 Erem= 77948.7530240993 Crem= 0.000D+00 Rare condition: small coef for last iteration: 0.000D+00 Matrix for removal 19 Erem= 77324.8044325891 Crem= 0.000D+00 Rare condition: small coef for last iteration: 0.000D+00 Matrix for removal 19 Erem= 78016.2185880153 Crem= 0.000D+00 Rare condition: small coef for last iteration: 0.000D+00 Matrix for removal 19 Erem= 78071.0020767119 Crem= 0.000D+00 Matrix for removal 18 Erem= -27477.1158892399 Crem= 0.000D+00 Matrix for removal 18 Erem= 78126.0376418261 Crem= 0.000D+00 Rare condition: small coef for last iteration: 0.000D+00 Matrix for removal 18 Erem= 78123.8364464347 Crem= 0.000D+00 Matrix for removal 18 Erem= 78090.6494618123 Crem= 0.000D+00 Matrix for removal 18 Erem= 78248.1164026055 Crem= 0.000D+00 Rare condition: small coef for last iteration: 0.000D+00 Matrix for removal 18 Erem= 87747.5512630399 Crem= 0.000D+00 Rare condition: small coef for last iteration: 0.000D+00 Matrix for removal 19 Erem= 77978.3770990641 Crem= 0.000D+00 有解決方法嗎? |
禁蟲(chóng) (文壇精英)
密度泛函·小卒
木蟲(chóng) (正式寫(xiě)手)
金蟲(chóng) (著名寫(xiě)手)
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