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1989shaonan

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[ÇóÖú] ÇóÖú£ºPCM ¡°tessalation¡±ÔõôÃèÊö£¿

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gaussian03Èí¼þÖ»¸ø³öÁËtsare=area µÄĬÈÏÖµ0.2£¬µ«Ã»Óиø³ötsnumµÄĬÈÏÖµ£¬ÍøÉÏһЩ×ÊÁÏÌáµ½tsnumĬÈÏÊÇ60£¬²»ÖªÊÇ·ñÈç´Ë£¿

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paramecium86

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Àϰ汾µÄ¸ß˹µÄÊÖ²áÀï»áÌáµ½ ĬÈϵÄTSNUMÊÇ60.

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SELECTING THE POLYDEDRON FOR THE SURFACE TESSERAE

In standard calculations the surface of each sphere is subdivided in 60 triangular tesserae, by projecting the faces of an inscribed pentakisdodecahedron. Other polyhedra with a different number of faces can be used, to get rougher or finer descriptions of the surface, by using one of these keywords:

TSNUM=N       
Sets the number of tesserae on each sphere (60 is the default for the usual pentakisdodecahedron). The program automatically selects the polyhedron with the closest number of faces to the specified value of N.

TSARE=area       
Specifies the area of the tesserae, in units of Å2 (0.4 is a typical value). The program automatically determines the best polyhedron for each sphere.

EXAMPLE PCM INPUT

The following Gaussian job performs a PCM energy calculation on the molecule HF using the solvent cyclohexane. The calculation is performed at a temperature of 300 K using a scaling factor for all atoms except acidic hydrogens of 1.21 and a value of 70 tesserae per sphere:

#
HF/6-31++G(d,p) SCF=Tight SCRF=(PCM,Read,Solvent=Cyclohexane) Test  
PCM SP calculation on hydrogen fluoride  

0,1
H
F 1 R  

R=0.9161  

TABS=300.0
ALPHA=1.21
TSNUM=70   

manualµÄÁ´½Ó

http://www.uam.es/departamentos/ ... sian98/00000474.htm
2Â¥2019-07-09 21:03:59
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1989shaonan

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by paramecium86 at 2019-07-09 21:03:59
Àϰ汾µÄ¸ß˹µÄÊÖ²áÀï»áÌáµ½ ĬÈϵÄTSNUMÊÇ60.

¸ß˹ÊÖ²áµÄÔ­ÎÄ
SELECTING THE POLYDEDRON FOR THE SURFACE TESSERAE

In standard calculations the surface of each sphere is subdivided in 60 triangular  ...

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3Â¥2019-07-10 10:16:51
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