import pulsar as psr
def load_ref_system():
    """ Returns benzo-c-phenanthrene as found in the IQMol fragment library.
        All credit to https://github.com/nutjunkie/IQmol
    """
    return psr.make_system("""
      C         -0.13717        0.47705        2.49432
      C          0.05243       -0.29647        1.31591
      C          0.00000        0.34719        0.00000
      C          0.00000        1.76992        0.00000
      C         -0.16425       -0.11754        3.76842
      C          0.05800       -1.47943        3.93106
      C          0.34323       -2.25108        2.81976
      C          0.35463       -1.66436        1.54821
      C         -0.05243       -0.29647       -1.31591
      C          0.13717        0.47705       -2.49432
      C          0.26064        1.85899       -2.40818
      C          0.14448        2.49777       -1.18301
      H         -0.33677        0.48802        4.65616
      H          0.04749       -1.92299        4.92233
      H          0.57750       -3.30634        2.93180
      H          0.68010       -2.30424        0.73478
      C         -0.35463       -1.66436       -1.54821
      H          0.18103        3.58558       -1.16543
      C         -0.14448        2.49777        1.18301
      C         -0.26064        1.85899        2.40818
      H         -0.18103        3.58558        1.16543
      H         -0.39172        2.46504        3.30189
      C          0.16425       -0.11754       -3.76842
      H          0.39172        2.46504       -3.30189
      C         -0.34323       -2.25108       -2.81976
      C         -0.05800       -1.47943       -3.93106
      H         -0.68010       -2.30424       -0.73478
      H          0.33677        0.48802       -4.65616
      H         -0.57750       -3.30634       -2.93180
      H         -0.04749       -1.92299       -4.92233
        """)

import pulsar as psr
def load_ref_system():
    """ Returns benzo-c-phenanthrene as found in the IQMol fragment library.
        All credit to https://github.com/nutjunkie/IQmol
    """
    return psr.make_system("""
      C         -0.13717        0.47705        2.49432
      C          0.05243       -0.29647        1.31591
      C          0.00000        0.34719        0.00000
      C          0.00000        1.76992        0.00000
      C         -0.16425       -0.11754        3.76842
      C          0.05800       -1.47943        3.93106
      C          0.34323       -2.25108        2.81976
      C          0.35463       -1.66436        1.54821
      C         -0.05243       -0.29647       -1.31591
      C          0.13717        0.47705       -2.49432
      C          0.26064        1.85899       -2.40818
      C          0.14448        2.49777       -1.18301
      H         -0.33677        0.48802        4.65616
      H          0.04749       -1.92299        4.92233
      H          0.57750       -3.30634        2.93180
      H          0.68010       -2.30424        0.73478
      C         -0.35463       -1.66436       -1.54821
      H          0.18103        3.58558       -1.16543
      C         -0.14448        2.49777        1.18301
      C         -0.26064        1.85899        2.40818
      H         -0.18103        3.58558        1.16543
      H         -0.39172        2.46504        3.30189
      C          0.16425       -0.11754       -3.76842
      H          0.39172        2.46504       -3.30189
      C         -0.34323       -2.25108       -2.81976
      C         -0.05800       -1.47943       -3.93106
      H         -0.68010       -2.30424       -0.73478
      H          0.33677        0.48802       -4.65616
      H         -0.57750       -3.30634       -2.93180
      H         -0.04749       -1.92299       -4.92233
        """)

Returns benzo-c-phenanthrene as found in the IQMol fragment library.         All credit to https://github.com/nutjunkie/IQmol C         -0.13717        0.47705        2.49432       C          0.05243       -0.29647        1.31591       C          0.00000        0.34719        0.00000       C          0.00000        1.76992        0.00000       C         -0.16425       -0.11754        3.76842       C          0.05800       -1.47943        3.93106       C          0.34323       -2.25108        2.81976       C          0.35463       -1.66436        1.54821       C         -0.05243       -0.29647       -1.31591       C          0.13717        0.47705       -2.49432       C          0.26064        1.85899       -2.40818       C          0.14448        2.49777       -1.18301       H         -0.33677        0.48802        4.65616       H          0.04749       -1.92299        4.92233       H          0.57750       -3.30634        2.93180       H          0.68010       -2.30424        0.73478       C         -0.35463       -1.66436       -1.54821       H          0.18103        3.58558       -1.16543       C         -0.14448        2.49777        1.18301       C         -0.26064        1.85899        2.40818       H         -0.18103        3.58558        1.16543       H         -0.39172        2.46504        3.30189       C          0.16425       -0.11754       -3.76842       H          0.39172        2.46504       -3.30189       C         -0.34323       -2.25108       -2.81976       C         -0.05800       -1.47943       -3.93106       H         -0.68010       -2.30424       -0.73478       H          0.33677        0.48802       -4.65616       H         -0.57750       -3.30634       -2.93180       H         -0.04749       -1.92299       -4.92233