ase:jacapo:psp
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| ase:jacapo:psp [2019/05/24 16:46] – kimi | ase:jacapo:psp [2022/08/23 13:34] (現在) – 外部編集 127.0.0.1 | ||
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| ====== Pseudopotential related method ====== | ====== Pseudopotential related method ====== | ||
| + | ===== Pseudopotential file ===== | ||
| < | < | ||
| - | get_psp(self, | ||
| - | get the pseudopotential filename from the psp database | ||
| - | |||
| - | : | ||
| - | |||
| - | sym : string | ||
| - | the chemical symbol of the species | ||
| - | |||
| - | z : integer | ||
| - | the atomic number of the species | ||
| - | |||
| - | |||
| - | you can only specify sym or z. Returns the pseudopotential | ||
| - | filename, not the full path. | ||
| - | |||
| - | get_psp_nuclear_charge(self, | ||
| - | get the nuclear charge of the atom from teh psp-file. | ||
| - | |||
| - | This is not the same as the atomic number, nor is it | ||
| - | necessarily the negative of the number of valence electrons, | ||
| - | since a psp may be an ion. this function is needed to compute | ||
| - | centers of ion charge for the dipole moment calculation. | ||
| - | |||
| - | We read in the valence ion configuration from the psp file and | ||
| - | add up the charges in each shell. | ||
| - | |||
| - | get_psp_valence(self, | ||
| - | get the psp valence charge on an atom from the pspfile. | ||
| - | |||
| set_pseudopotentials(self, | set_pseudopotentials(self, | ||
| + | </ | ||
| Set all the pseudopotentials from a dictionary. | Set all the pseudopotentials from a dictionary. | ||
| The dictionary should have this form:: | The dictionary should have this form:: | ||
| - | {symbol1: path1, | + | |
| - | symbol2: path2} | + | |
| - | set_psp(self, sym=None, z=None, psp=None) | + | < |
| - | set the pseudopotential file for a species | + | get_psp(self, sym=None, z=None) |
| + | </ | ||
| + | ^argument^type^notes^ | ||
| + | |sym |string | ||
| + | |z |integer | ||
| - | : | + | * '' |
| + | * you can only specify '' | ||
| - | sym : string | + | === set_psp === |
| - | chemical symbol of the species | + | |
| - | z : integer | + | < |
| - | the atomic number of the species | + | set_psp(self, |
| + | </ | ||
| - | psp : string | + | ^argument^type^notes^ |
| - | filename of the pseudopotential | + | |sym |string |
| + | |z |integer | ||
| + | |psp |string | ||
| + | * '' | ||
| + | * you can only set '' | ||
| - | you can only set sym or z. | + | == examples |
| - | + | < | |
| - | examples:: | + | |
| set_psp(' | set_psp(' | ||
| set_psp(z=6, | set_psp(z=6, | ||
| + | </ | ||
| + | |||
| + | < | ||
| set_psp_database(self, | set_psp_database(self, | ||
| 行 77: | 行 60: | ||
| a nearly empty database, and I have not thought about how to | a nearly empty database, and I have not thought about how to | ||
| resolve that | resolve that | ||
| + | </ | ||
| + | ===== Nuclear charge ===== | ||
| + | < | ||
| + | get_psp_nuclear_charge(self, | ||
| + | get the nuclear charge of the atom from teh psp-file. | ||
| + | |||
| + | This is not the same as the atomic number, nor is it | ||
| + | necessarily the negative of the number of valence electrons, | ||
| + | since a psp may be an ion. this function is needed to compute | ||
| + | centers of ion charge for the dipole moment calculation. | ||
| + | |||
| + | We read in the valence ion configuration from the psp file and | ||
| + | add up the charges in each shell. | ||
| </ | </ | ||
| + | ===== Valence charge ===== | ||
| + | < | ||
| + | get_number_of_electrons = get_valence(self, | ||
| + | get_psp_valence(self, | ||
| + | get the psp valence charge on an atom from the pspfile. | ||
| + | </ | ||
| + | < | ||
| + | |||
| + | get_valence(self, | ||
| + | return the total number of valence electrons for the | ||
| + | atoms. valence electrons are read directly from the | ||
| + | pseudopotentials. | ||
| + | |||
| + | the psp filenames are stored in the ncfile. They may be just | ||
| + | the name of the file, in which case the psp may exist in the | ||
| + | same directory as the ncfile, or in $DACAPOPATH, | ||
| + | may be defined by an absolute or relative path. This function | ||
| + | deals with all these possibilities. | ||
| + | |||
| + | </ | ||
ase/jacapo/psp.1558683980.txt.gz · 最終更新: (外部編集)