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coolrainbow

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[交流] 【求助】molpro中使用弥散函数出错 已有3人参与

最近做一个MCSFC与RS2计算,用6-31g*基组可以正确的计算,但是使用6-31+g*则出现错误:

GLOBAL ERROR fehler on processor   3
3:3:fehler on processor   3:: 1
3:3:fehler on processor   3:: 1
Last System Error Message from Task 3:: Bad file descriptor
  3: ARMCI aborting 1 (0x1).
  3: ARMCI aborting 1 (0x1).
system error message: Bad file descriptor
  8: interrupt(1)
5:SigIntHandler: interrupt signal was caught: 2
5:SigIntHandler: interrupt signal was caught: 2
6:SigIntHandler: interrupt signal was caught: 2
6:SigIntHandler: interrupt signal was caught: 2
Last System Error Message from Task 5:: No such file or directory
Last System Error Message from Task 6:: No such file or directory
  5: ARMCI aborting 2 (0x2).
  5: ARMCI aborting 2 (0x2).

有人说是基组线性相关造成的, 但是看了一下

Eigenvalues of metric

1 0.118E-07 0.148E-07 0.339E-07 0.352E-07 0.409E-07 0.747E-07 0.831E-07 0.119E-06

基组共有500多个,这点相关应该没有问题,想象大家问下原因,谢谢
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beefly

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coolrainbow(金币+2):谢谢帮助 2010-07-10 21:47:36
像是系统错误,重新提交试试
beefly《西太平洋大学现代英汉词典》[bi:fli]牛肉一般地
2楼2010-07-09 23:05:13
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coolrainbow

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引用回帖:
Originally posted by beefly at 2010-07-09 23:05:13:
像是系统错误,重新提交试试

没有用,好像确实是基组线性相关的问题,怎么办呢
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3楼2010-07-10 21:47:20
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xuefangyu09

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★ ★ ★
aylayl08(金币+3):感谢讨论 2010-07-14 09:45:38
如果是线性相关问题:
1,如果使用笛卡尔坐标,改换z-matrix 试一试;
2,set gthresh,THROVL=1.d-9
in your input file.  However, this can lead to either slow or
non-convergent behavior, so be warned!
3,If you run into convergence problems, another thing you might want to do is to
use tighter integral thresholds:

gthresh,oneint=1e-15,twoint=1e-14
This can circumvent some of the near-linear dependency problems
楼主可以试下。
4楼2010-07-13 22:11:34
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xuefangyu09

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还可以修改新增加函数的指数。
5楼2010-07-13 22:12:58
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