# generated using pymatgen data_CaAl2(SiO5)2 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 5.04079446 _cell_length_b 5.04079446 _cell_length_c 13.26828500 _cell_angle_alpha 90.00000000 _cell_angle_beta 90.00000000 _cell_angle_gamma 104.34493767 _symmetry_Int_Tables_number 1 _chemical_formula_structural CaAl2(SiO5)2 _chemical_formula_sum 'Ca2 Al4 Si4 O20' _cell_volume 326.63042263 _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 Ca Ca0 1 0.35517700 0.64482300 0.25000000 1.0 Ca Ca1 1 0.64482300 0.35517700 0.75000000 1.0 Al Al2 1 0.00000000 0.50000000 0.50000000 1.0 Al Al3 1 0.50000000 0.00000000 0.50000000 1.0 Al Al4 1 0.00000000 0.50000000 0.00000000 1.0 Al Al5 1 0.50000000 0.00000000 0.00000000 1.0 Si Si6 1 0.96903100 0.03096900 0.36476600 1.0 Si Si7 1 0.03096900 0.96903100 0.63523400 1.0 Si Si8 1 0.96903100 0.03096900 0.13523400 1.0 Si Si9 1 0.03096900 0.96903100 0.86476600 1.0 O O10 1 0.05416700 0.94583300 0.25000000 1.0 O O11 1 0.94583300 0.05416700 0.75000000 1.0 O O12 1 0.07253100 0.36009000 0.37860100 1.0 O O13 1 0.36009000 0.07253100 0.62139900 1.0 O O14 1 0.07253100 0.36009000 0.12139900 1.0 O O15 1 0.36009000 0.07253100 0.87860100 1.0 O O16 1 0.92746900 0.63991000 0.62139900 1.0 O O17 1 0.63991000 0.92746900 0.37860100 1.0 O O18 1 0.92746900 0.63991000 0.87860100 1.0 O O19 1 0.63991000 0.92746900 0.12139900 1.0 O O20 1 0.13466500 0.86533500 0.44123100 1.0 O O21 1 0.86533500 0.13466500 0.55876900 1.0 O O22 1 0.13466500 0.86533500 0.05876900 1.0 O O23 1 0.86533500 0.13466500 0.94123100 1.0 O O24 1 0.57933400 0.42066600 0.47178900 1.0 O O25 1 0.42066600 0.57933400 0.52821100 1.0 O O26 1 0.57933400 0.42066600 0.02821100 1.0 O O27 1 0.42066600 0.57933400 0.97178900 1.0 O O28 1 0.65100200 0.34899800 0.25000000 1.0 O O29 1 0.34899800 0.65100200 0.75000000 1.0