# generated using pymatgen data_Na2Cu17Si8Ni _symmetry_space_group_name_H-M 'P 1' _cell_length_a 8.10618169 _cell_length_b 8.10618236 _cell_length_c 8.05469486 _cell_angle_alpha 120.68375001 _cell_angle_beta 120.68375041 _cell_angle_gamma 89.19120920 _symmetry_Int_Tables_number 1 _chemical_formula_structural Na2Cu17Si8Ni _chemical_formula_sum 'Na2 Cu17 Si8 Ni1' _cell_volume 369.10737582 _cell_formula_units_Z 1 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 Na Na0 1 0.25000000 0.25000000 0.00000000 1.0 Na Na1 1 0.75000000 0.75000000 0.00000000 1.0 Cu Cu2 1 0.93376632 0.20442719 0.13819351 1.0 Cu Cu3 1 0.20321285 0.06787104 0.27108389 1.0 Cu Cu4 1 0.79678715 0.93212896 0.72891611 1.0 Cu Cu5 1 0.43212896 0.29678715 0.72891611 1.0 Cu Cu6 1 0.06623368 0.79557281 0.86180649 1.0 Cu Cu7 1 0.80965559 0.05972627 0.50000000 1.0 Cu Cu8 1 0.55972627 0.30965559 0.50000000 1.0 Cu Cu9 1 0.19034441 0.94027373 0.50000000 1.0 Cu Cu10 1 0.44027373 0.69034441 0.50000000 1.0 Cu Cu11 1 0.94368419 0.44368419 0.75792251 1.0 Cu Cu12 1 0.68576068 0.18576068 0.24207749 1.0 Cu Cu13 1 0.05631581 0.55631581 0.24207749 1.0 Cu Cu14 1 0.70442719 0.43376632 0.13819351 1.0 Cu Cu15 1 0.56787104 0.70321285 0.27108389 1.0 Cu Cu16 1 0.00000000 0.50000000 0.50000000 1.0 Cu Cu17 1 0.31423932 0.81423932 0.75792251 1.0 Cu Cu18 1 0.29557281 0.56623368 0.86180649 1.0 Si Si19 1 0.78382400 0.28382400 0.84247259 1.0 Si Si20 1 0.55864859 0.05864859 0.84247259 1.0 Si Si21 1 0.05841502 0.20898854 0.50000000 1.0 Si Si22 1 0.29101146 0.44158498 0.50000000 1.0 Si Si23 1 0.94158498 0.79101146 0.50000000 1.0 Si Si24 1 0.44135141 0.94135141 0.15752741 1.0 Si Si25 1 0.21617600 0.71617600 0.15752741 1.0 Si Si26 1 0.70898854 0.55841502 0.50000000 1.0 Ni Ni27 1 0.50000000 0.00000000 0.50000000 1.0