def shift_com(elements, coordinates, com_adjust=np.zeros(<NUM_LIT:3>)):
com = center_of_mass(elements, coordinates)<EOL>com = np.array([com - com_adjust] * coordinates.shape[<NUM_LIT:0>])<EOL>return coordinates - com<EOL>
Return coordinates translated by some vector.

Parameters
----------
elements : numpy.ndarray
    An array of all elements (type: str) in a molecule.

coordinates : numpy.ndarray
    An array containing molecule's coordinates.

com_adjust : numpy.ndarray (default = [0, 0, 0])

Returns
-------
numpy.ndarray
    Translated array of molecule's coordinates.