# generated using pymatgen data_BaSrAl20(CuO17)2 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 5.67081178 _cell_length_b 5.67081178 _cell_length_c 22.82302500 _cell_angle_alpha 90.00000000 _cell_angle_beta 90.00000000 _cell_angle_gamma 119.99999745 _symmetry_Int_Tables_number 1 _chemical_formula_structural BaSrAl20(CuO17)2 _chemical_formula_sum 'Ba1 Sr1 Al20 Cu2 O34' _cell_volume 635.61525923 _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 Ba Ba0 1 0.00000000 0.00000000 0.24809500 1.0 Sr Sr1 1 0.66666700 0.33333300 0.74731900 1.0 Al Al2 1 0.00000000 0.00000000 0.67244800 1.0 Al Al3 1 0.66666700 0.33333300 0.32375600 1.0 Al Al4 1 0.66666700 0.33333300 0.17171800 1.0 Al Al5 1 0.00000000 0.00000000 0.82290200 1.0 Al Al6 1 0.33333300 0.66666700 0.50191400 1.0 Al Al7 1 0.33333300 0.66666700 0.00044100 1.0 Al Al8 1 0.16501400 0.33002900 0.39424200 1.0 Al Al9 1 0.16501400 0.83498600 0.39424200 1.0 Al Al10 1 0.66997100 0.83498600 0.39424200 1.0 Al Al11 1 0.49761100 0.99522100 0.60726600 1.0 Al Al12 1 0.49761100 0.50238900 0.60726600 1.0 Al Al13 1 0.00477900 0.50238900 0.60726600 1.0 Al Al14 1 0.50210200 0.00420300 0.89273100 1.0 Al Al15 1 0.50210200 0.49789800 0.89273100 1.0 Al Al16 1 0.99579700 0.49789800 0.89273100 1.0 Al Al17 1 0.16929000 0.33857900 0.10582300 1.0 Al Al18 1 0.16929000 0.83071000 0.10582300 1.0 Al Al19 1 0.66142100 0.83071000 0.10582300 1.0 Al Al20 1 0.66666700 0.33333300 0.47795100 1.0 Al Al21 1 0.00000000 0.00000000 0.97700000 1.0 Cu Cu22 1 0.00000000 0.00000000 0.52535500 1.0 Cu Cu23 1 0.66666700 0.33333300 0.02473200 1.0 O O24 1 0.18513700 0.37027400 0.55493000 1.0 O O25 1 0.18513700 0.81486300 0.55493000 1.0 O O26 1 0.62972600 0.81486300 0.55493000 1.0 O O27 1 0.49124400 0.98248800 0.45032300 1.0 O O28 1 0.49124400 0.50875600 0.45032300 1.0 O O29 1 0.01751200 0.50875600 0.45032300 1.0 O O30 1 0.48120400 0.96240900 0.05365900 1.0 O O31 1 0.48120400 0.51879600 0.05365900 1.0 O O32 1 0.03759100 0.51879600 0.05365900 1.0 O O33 1 0.17501100 0.35002300 0.94911400 1.0 O O34 1 0.17501100 0.82498900 0.94911400 1.0 O O35 1 0.64997700 0.82498900 0.94911400 1.0 O O36 1 0.00000000 0.00000000 0.43654800 1.0 O O37 1 0.66666700 0.33333300 0.55764800 1.0 O O38 1 0.66666700 0.33333300 0.93546100 1.0 O O39 1 0.00000000 0.00000000 0.05663300 1.0 O O40 1 0.82609000 0.65218100 0.64965400 1.0 O O41 1 0.82609000 0.17391000 0.64965400 1.0 O O42 1 0.34781900 0.17391000 0.64965400 1.0 O O43 1 0.83671700 0.67343300 0.35039700 1.0 O O44 1 0.83671700 0.16328300 0.35039700 1.0 O O45 1 0.32656700 0.16328300 0.35039700 1.0 O O46 1 0.83907100 0.67814200 0.14752400 1.0 O O47 1 0.83907100 0.16092900 0.14752400 1.0 O O48 1 0.32185800 0.16092900 0.14752400 1.0 O O49 1 0.82851700 0.65703400 0.84823800 1.0 O O50 1 0.82851700 0.17148300 0.84823800 1.0 O O51 1 0.34296600 0.17148300 0.84823800 1.0 O O52 1 0.33333300 0.66666700 0.64829000 1.0 O O53 1 0.33333300 0.66666700 0.35871500 1.0 O O54 1 0.33333300 0.66666700 0.14741000 1.0 O O55 1 0.33333300 0.66666700 0.85796600 1.0 O O56 1 0.00000000 0.00000000 0.74802000 1.0 O O57 1 0.66666700 0.33333300 0.24797800 1.0