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For each system, we first performed a tight structural optimization,
followed by a frequency calculation to confirm that the
optimized structure was indeed a minimum (with no imaginary
frequencies). Single-point frequency calculations and NBO
analyses were carried out with tight SCF convergence and
ultrafine grids in the structural optimizations.

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    2. tight SCF convergence and ultrafine grids in the structural optimizations
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Originally posted by caozf at 2010-06-17 22:13:55:

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caozf(½ð±Ò+2): 2010-06-17 22:37:15
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ËüÖ¸µÄÊÇÔڽṹÓÅ»¯µÄʱºòÀ´¼ÓÈëtight SCFÌõ¼þ»¹ÊǼÆËãNBOµÄʱºò£¿

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    2. tight SCF convergence and ultrafine grids in the structural optimizations
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¶Ô¡£Èç¹ûÄã¾õµÃopt(tight)»¹²»¹»£¬¿ÉÒÔÓÃopt(vtinght)¡£µ«ÊÇҪעÒ⣬Èç¹ûÄãʹÓÃÁËtight»òvtight£¬Ò»°ãÒª²ÉÓÃultrafine
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[ Last edited by yjcmwgk on 2010-6-17 at 15:16 ]
2Â¥2010-06-17 15:01:24
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caozf

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ÒýÓûØÌû:
Originally posted by yjcmwgk at 2010-06-17 15:01:24:

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