import pulsar as psr
def load_ref_system():
    """ Returns c165 as found in the IQMol fragment library.
        All credit to https://github.com/nutjunkie/IQmol
    """
    return psr.make_system("""
      C         -0.00000       -0.00000       -0.00000
      C          0.89844       -0.89844        0.89844
      C          0.89844        0.89844       -0.89844
      C         -0.89844        0.89844        0.89844
      C         -0.89844       -0.89844       -0.89844
      C          1.80322       -0.00803        1.80322
      C          1.80322        1.80322       -0.00803
      C          1.80322        0.00803       -1.80322
      C          1.80322       -1.80322        0.00803
      C         -0.00803        1.80322        1.80322
      C         -1.80322        0.00803        1.80322
      C          0.00803       -1.80322        1.80322
      C         -1.80322        1.80322        0.00803
      C          0.00803        1.80322       -1.80322
      C         -1.80322       -0.00803       -1.80322
      C         -1.80322       -1.80322       -0.00803
      C         -0.00803       -1.80322       -1.80322
      C          0.90592        2.70591        0.90592
      C          0.90592        0.90592        2.70591
      C          2.70591        0.90592        0.90592
      C          2.70591       -0.90592       -0.90592
      C          0.90592       -0.90592       -2.70591
      C          0.90592       -2.70591       -0.90592
      C         -0.90592       -0.90592        2.70591
      C         -2.70591       -0.90592        0.90592
      C         -0.90592       -2.70591        0.90592
      C         -0.90592        2.70591       -0.90592
      C         -2.70591        0.90592       -0.90592
      C         -0.90592        0.90592       -2.70591
      C          3.61872        0.00000       -0.00000
      C          0.00000       -0.00000        3.61872
      C         -0.00000        3.61872        0.00000
      C          0.00000       -3.61872       -0.00000
      C         -0.00000        0.00000       -3.61872
      C         -3.61872       -0.00000        0.00000
      C          2.72364       -0.92438        2.72364
      C          0.92438       -2.72364        2.72364
      C          2.72364       -2.72364        0.92438
      C          2.72364        2.72364       -0.92438
      C          0.92438        2.72364       -2.72364
      C          2.72364        0.92438       -2.72364
      C         -0.92438        2.72364        2.72364
      C         -2.72364        2.72364        0.92438
      C         -2.72364        0.92438        2.72364
      C         -2.72364       -0.92438       -2.72364
      C         -2.72364       -2.72364       -0.92438
      C         -0.92438       -2.72364       -2.72364
      C          1.82914        3.63567        1.82914
      C          1.82914        1.82914        3.63567
      C          3.63567        1.82914        1.82914
      C          1.76719       -1.76719        3.56010
      C          3.56010       -1.76719        1.76719
      C          1.76719       -3.56010        1.76719
      C          1.76719        3.56010       -1.76719
      C          3.56010        1.76719       -1.76719
      C          3.63567       -1.82914       -1.82914
      C          1.82914       -3.63567       -1.82914
      C          1.76719        1.76719       -3.56010
      C          1.82914       -1.82914       -3.63567
      C         -1.76719        3.56010        1.76719
      C         -1.76719        1.76719        3.56010
      C         -1.82914       -1.82914        3.63567
      C         -1.82914       -3.63567        1.82914
      C         -1.82914        3.63567       -1.82914
      C         -1.76719       -3.56010       -1.76719
      C         -1.82914        1.82914       -3.63567
      C         -1.76719       -1.76719       -3.56010
      C         -3.56010        1.76719        1.76719
      C         -3.63567       -1.82914        1.82914
      C         -3.63567        1.82914       -1.82914
      C         -3.56010       -1.76719       -1.76719
      C          4.55134       -0.93187        0.93187
      C          4.55134        0.93187       -0.93187
      C          0.93187       -0.93187        4.55134
      C          2.66842        2.66842        2.66842
      C          0.93187       -4.55134        0.93187
      C          0.93187        4.55134       -0.93187
      C          2.66842       -2.66842       -2.66842
      C          0.93187        0.93187       -4.55134
      C         -0.93187        0.93187        4.55134
      C         -0.93187        4.55134        0.93187
      C         -2.66842       -2.66842        2.66842
      C         -2.66842        2.66842       -2.66842
      C         -0.93187       -4.55134       -0.93187
      C         -0.93187       -0.93187       -4.55134
      C         -4.55134        0.93187        0.93187
      C         -4.55134       -0.93187       -0.93187
      C          3.55677        0.07242        3.55677
      C          3.55677        3.55677        0.07242
      C          3.55677       -3.55677       -0.07242
      C          3.55677       -0.07242       -3.55677
      C          0.07242        3.55677        3.55677
      C         -0.07242       -3.55677        3.55677
      C         -0.07242        3.55677       -3.55677
      C          0.07242       -3.55677       -3.55677
      C         -3.55677       -0.07242        3.55677
      C         -3.55677        3.55677       -0.07242
      C         -3.55677       -3.55677        0.07242
      C         -3.55677        0.07242       -3.55677
      C          4.46429        2.67183        0.81648
      C          4.46429        0.81648        2.67183
      C          4.46429       -0.81648       -2.67183
      C          4.46429       -2.67183       -0.81648
      C          0.81648        2.67183        4.46429
      C          2.67183        0.81648        4.46429
      C          0.81648        4.46429        2.67183
      C          2.67183        4.46429        0.81648
      C          2.67183       -4.46429       -0.81648
      C          0.81648       -4.46429       -2.67183
      C          2.67183       -0.81648       -4.46429
      C          0.81648       -2.67183       -4.46429
      C         -2.67183       -0.81648        4.46429
      C         -0.81648       -2.67183        4.46429
      C         -0.81648       -4.46429        2.67183
      C         -2.67183       -4.46429        0.81648
      C         -2.67183        4.46429       -0.81648
      C         -0.81648        4.46429       -2.67183
      C         -0.81648        2.67183       -4.46429
      C         -2.67183        0.81648       -4.46429
      C         -4.46429       -0.81648        2.67183
      C         -4.46429       -2.67183        0.81648
      C         -4.46429        2.67183       -0.81648
      C         -4.46429        0.81648       -2.67183
      C          5.39574        0.07638        1.79360
      C          5.39574        1.79360        0.07638
      C          5.39574       -0.07638       -1.79360
      C          5.39574       -1.79360       -0.07638
      C          1.79360        0.07638        5.39574
      C          1.79360        5.39574        0.07638
      C          1.79360       -5.39574       -0.07638
      C          1.79360       -0.07638       -5.39574
      C          0.07638        1.79360        5.39574
      C         -1.79360       -0.07638        5.39574
      C         -0.07638       -1.79360        5.39574
      C          0.07638        5.39574        1.79360
      C         -0.07638       -5.39574        1.79360
      C         -1.79360        5.39574       -0.07638
      C         -0.07638        5.39574       -1.79360
      C         -1.79360       -5.39574        0.07638
      C          0.07638       -5.39574       -1.79360
      C         -0.07638        1.79360       -5.39574
      C         -1.79360        0.07638       -5.39574
      C          0.07638       -1.79360       -5.39574
      C         -5.39574       -0.07638        1.79360
      C         -5.39574        1.79360       -0.07638
      C         -5.39574        0.07638       -1.79360
      C         -5.39574       -1.79360        0.07638
      C          6.26923        0.87174        0.87174
      C          6.26923       -0.87174       -0.87174
      C          0.87174        0.87174        6.26923
      C          0.87174        6.26923        0.87174
      C          0.87174       -6.26923       -0.87174
      C          0.87174       -0.87174       -6.26923
      C         -0.87174       -0.87174        6.26923
      C         -0.87174       -6.26923        0.87174
      C         -0.87174        6.26923       -0.87174
      C         -0.87174        0.87174       -6.26923
      C         -6.26923       -0.87174        0.87174
      C         -6.26923        0.87174       -0.87174
      C          0.00000       -0.00000        6.97479
      C          6.97479        0.00000       -0.00000
      C          0.00000       -6.97479       -0.00000
      C         -0.00000        0.00000       -6.97479
      C         -6.97479       -0.00000        0.00000
      C         -0.00000        6.97479        0.00000
        """)
