<gh_stars>0
import pulsar as psr
def load_ref_system():
    """ Returns alpha-d-tagatopyranose as found in the IQMol fragment library.
        All credit to https://github.com/nutjunkie/IQmol
    """
    return psr.make_system("""
        O     -0.8282     -1.0331      1.8254
        C     -0.4796     -0.1346      0.7943
        O      0.7228      0.4894      1.3009
        C      1.4314      1.3185      0.3609
        C      1.8748      0.5058     -0.8636
        O      2.9041     -0.4201     -0.5267
        C      0.6954     -0.2795     -1.4882
        C     -0.1271     -1.0323     -0.4202
        O     -1.3252     -1.4123     -1.1090
        O     -0.1116      0.7175     -2.1254
        C     -1.6059      0.9054      0.5897
        O     -2.6699      0.6043      1.4932
        H      0.8007      2.1769      0.0673
        H      2.2931      1.6646      0.9657
        H      0.4081     -1.9423     -0.0613
        H      1.0595     -0.9947     -2.2621
        H      2.3496      1.1569     -1.6383
        H     -1.9647      0.9207     -0.4560
        H     -1.2934      1.9233      0.8943
        H     -1.0926     -0.5298      2.6453
        H     -1.7954     -2.1078     -0.5957
        H     -0.9170      0.2878     -2.5101
        H      2.6984     -0.8639      0.3317
        H     -3.0987     -0.2439      1.2375
        """)

import pulsar as psr
def load_ref_system():
    """ Returns alpha-d-tagatopyranose as found in the IQMol fragment library.
        All credit to https://github.com/nutjunkie/IQmol
    """
    return psr.make_system("""
        O     -0.8282     -1.0331      1.8254
        C     -0.4796     -0.1346      0.7943
        O      0.7228      0.4894      1.3009
        C      1.4314      1.3185      0.3609
        C      1.8748      0.5058     -0.8636
        O      2.9041     -0.4201     -0.5267
        C      0.6954     -0.2795     -1.4882
        C     -0.1271     -1.0323     -0.4202
        O     -1.3252     -1.4123     -1.1090
        O     -0.1116      0.7175     -2.1254
        C     -1.6059      0.9054      0.5897
        O     -2.6699      0.6043      1.4932
        H      0.8007      2.1769      0.0673
        H      2.2931      1.6646      0.9657
        H      0.4081     -1.9423     -0.0613
        H      1.0595     -0.9947     -2.2621
        H      2.3496      1.1569     -1.6383
        H     -1.9647      0.9207     -0.4560
        H     -1.2934      1.9233      0.8943
        H     -1.0926     -0.5298      2.6453
        H     -1.7954     -2.1078     -0.5957
        H     -0.9170      0.2878     -2.5101
        H      2.6984     -0.8639      0.3317
        H     -3.0987     -0.2439      1.2375
        """)
Returns alpha-d-tagatopyranose as found in the IQMol fragment library.         All credit to https://github.com/nutjunkie/IQmol O     -0.8282     -1.0331      1.8254         C     -0.4796     -0.1346      0.7943         O      0.7228      0.4894      1.3009         C      1.4314      1.3185      0.3609         C      1.8748      0.5058     -0.8636         O      2.9041     -0.4201     -0.5267         C      0.6954     -0.2795     -1.4882         C     -0.1271     -1.0323     -0.4202         O     -1.3252     -1.4123     -1.1090         O     -0.1116      0.7175     -2.1254         C     -1.6059      0.9054      0.5897         O     -2.6699      0.6043      1.4932         H      0.8007      2.1769      0.0673         H      2.2931      1.6646      0.9657         H      0.4081     -1.9423     -0.0613         H      1.0595     -0.9947     -2.2621         H      2.3496      1.1569     -1.6383         H     -1.9647      0.9207     -0.4560         H     -1.2934      1.9233      0.8943         H     -1.0926     -0.5298      2.6453         H     -1.7954     -2.1078     -0.5957         H     -0.9170      0.2878     -2.5101         H      2.6984     -0.8639      0.3317         H     -3.0987     -0.2439      1.2375