dft optimize failed

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Hi there,

I have got "dft optimize failed" after 200 steps running the following input with NWChem 6.1 and 6.0. Please can anybody advise what is wrong with the input as below. This case is running on Cray XE6.


echo
start co
title "co"
print medium

geometry
 C                     0.02130486    -0.67185363     0.00000000
O -0.07773307 0.48364394 0.00000000
end

basis
 o   library "DZVP (DFT Orbital)"
h library "DZVP (DFT Orbital)"
c library "DZVP (DFT Orbital)"
end

driver
 tight
maxiter 200
xyz final
end

dft
 xc beckehandh
mulliken
end

task dft optimize



Thanks,

Yudong
Edited On 8:55:08 AM PDT - Wed, Jul 11th 2012 by Ysun


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