Function to compute various properties.
Aliases :  prop() 

Returns:  (float) Total electronic energy in Hartrees. 
Caution
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name  calls method 

scf  Selfconsistent field method(s) 
cc2  2ndorder approximate CCSD 
ccsd  coupled cluster singles and doubles (CCSD) 
eomcc2  2ndorder approximate EOMCCSD 
eomccsd  equationofmotion coupled cluster singles and doubles (EOMCCSD) 
Parameters: 


Examples : 
>>> # [1] Optical rotation calculation
>>> property('cc2', properties=['rotation'])