get_xray_form(r)

Returns the row r of the table xray_form.

Parameters:

r (int) – row

Returns:

x-ray scattering factor coefficients

Return type:

dict. See xray_form_type.

>>> from pycrysfml import cfml_scattering_tables
>>> row = cfml_scattering_tables.get_xray_form(54)
>>> for k in row:
...   print(f'{k :>6}: {row[k]}')
...
  symb: fe+3
     z: 26
     a: [11.1764  7.3863  3.3948  0.0724]
     b: [ 4.6147  0.3005 11.6729 38.5566]
     c: 0.9707000255584717