# generated using pymatgen data_Sr2TiAlCu2O7 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 5.43139682 _cell_length_b 5.74507032 _cell_length_c 12.09999046 _cell_angle_alpha 103.79378233 _cell_angle_beta 102.99084998 _cell_angle_gamma 89.99164380 _symmetry_Int_Tables_number 1 _chemical_formula_structural Sr2TiAlCu2O7 _chemical_formula_sum 'Sr4 Ti2 Al2 Cu4 O14' _cell_volume 356.72109056 _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 Sr Sr0 1 0.36238200 0.33443400 0.72053900 1.0 Sr Sr1 1 0.63682600 0.67139400 0.27994700 1.0 Sr Sr2 1 0.86311000 0.88980300 0.72079500 1.0 Sr Sr3 1 0.13795800 0.10873800 0.28015600 1.0 Ti Ti4 1 0.28079100 0.67642100 0.50025000 1.0 Ti Ti5 1 0.78141900 0.32595800 0.50043000 1.0 Al Al6 1 0.98395500 0.99348400 0.00051700 1.0 Al Al7 1 0.48340200 0.51096700 0.00024000 1.0 Cu Cu8 1 0.43415800 0.94410500 0.89035800 1.0 Cu Cu9 1 0.53947500 0.07001200 0.11055200 1.0 Cu Cu10 1 0.93350500 0.45022200 0.89021200 1.0 Cu Cu11 1 0.03911100 0.54333700 0.11030800 1.0 O O12 1 0.12752500 0.38011700 0.50053500 1.0 O O13 1 0.62676300 0.62211800 0.50036300 1.0 O O14 1 0.25148200 0.28493800 0.89297100 1.0 O O15 1 0.34629300 0.72254100 0.10847600 1.0 O O16 1 0.75181900 0.11127800 0.89314600 1.0 O O17 1 0.84648500 0.88900200 0.10818100 1.0 O O18 1 0.61199400 0.61019900 0.88934900 1.0 O O19 1 0.71169500 0.39897600 0.11018600 1.0 O O20 1 0.11322300 0.78335100 0.88967800 1.0 O O21 1 0.21229600 0.21494300 0.11099900 1.0 O O22 1 0.26832900 0.88182800 0.63419200 1.0 O O23 1 0.63375200 0.12105500 0.36722000 1.0 O O24 1 0.77016900 0.25613000 0.63481500 1.0 O O25 1 0.13236000 0.74599200 0.36667100 1.0