# generated using pymatgen data_Cu4P2O9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 6.26249263 _cell_length_b 7.53373228 _cell_length_c 8.01003258 _cell_angle_alpha 99.32326044 _cell_angle_beta 112.25526268 _cell_angle_gamma 97.98631152 _symmetry_Int_Tables_number 1 _chemical_formula_structural Cu4P2O9 _chemical_formula_sum 'Cu8 P4 O18' _cell_volume 336.73770614 _cell_formula_units_Z 2 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 'x, y, z' loop_ _atom_site_type_symbol _atom_site_label _atom_site_symmetry_multiplicity _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Cu Cu0 1 0.88426600 0.10475681 0.75761339 1.0 Cu Cu1 1 0.40777082 0.12510680 0.76312617 1.0 Cu Cu2 1 0.11573400 0.89524319 0.24238661 1.0 Cu Cu3 1 0.65588746 0.38458180 0.58909623 1.0 Cu Cu4 1 0.34411254 0.61541820 0.41090377 1.0 Cu Cu5 1 0.59222918 0.87489320 0.23687383 1.0 Cu Cu6 1 0.15407518 0.67047192 0.93683783 1.0 Cu Cu7 1 0.84592482 0.32952808 0.06316217 1.0 P P8 1 0.99957424 0.78407518 0.57902669 1.0 P P9 1 0.37124081 0.26398103 0.15086847 1.0 P P10 1 0.62875919 0.73601897 0.84913153 1.0 P P11 1 0.00042576 0.21592482 0.42097331 1.0 O O12 1 0.51290872 0.58404470 0.66609536 1.0 O O13 1 0.34538333 0.07254531 0.19124221 1.0 O O14 1 0.13180264 0.30040611 0.02771252 1.0 O O15 1 0.48709128 0.41595530 0.33390464 1.0 O O16 1 0.65461667 0.92745469 0.80875779 1.0 O O17 1 0.14945144 0.77982315 0.46449617 1.0 O O18 1 0.30030069 0.72725474 0.20394775 1.0 O O19 1 0.69969931 0.27274526 0.79605225 1.0 O O20 1 0.00355524 0.62176720 0.67150388 1.0 O O21 1 0.74883975 0.79638773 0.46488683 1.0 O O22 1 0.86819736 0.69959389 0.97228748 1.0 O O23 1 0.85054856 0.22017685 0.53550383 1.0 O O24 1 0.11783576 0.96621237 0.73916816 1.0 O O25 1 0.99644476 0.37823280 0.32849612 1.0 O O26 1 0.47731769 0.72636803 0.96141848 1.0 O O27 1 0.88216424 0.03378763 0.26083184 1.0 O O28 1 0.25116025 0.20361227 0.53511317 1.0 O O29 1 0.52268231 0.27363197 0.03858152 1.0