data_image0 _chemical_formula_structural Nb4O8 _chemical_formula_sum "Nb4 O8" _cell_length_a 6.167071931177212 _cell_length_b 6.1331198933570645 _cell_length_c 18.44186443657413 _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 119.66390373959072 _space_group_name_H-M_alt "P 1" _space_group_IT_number 1 loop_ _space_group_symop_operation_xyz '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 Nb Nb1 1.0 0.9489924568849696 0.9439279730962291 0.5140597358040824 1.0000 Nb Nb2 1.0 0.9326986660299869 0.4356245494238566 0.4859482185666037 1.0000 Nb Nb3 1.0 0.44062492500168116 0.40163818612420027 0.49998921376481487 1.0000 Nb Nb4 1.0 0.441119006552397 0.9779293823190509 0.49999839992929324 1.0000 O O1 1.0 0.22540793984600382 0.0823434213548852 0.43658453339632525 1.0000 O O2 1.0 0.6563593179709749 0.2972151694650464 0.5634162123756611 1.0000 O O3 1.0 0.7772389846364188 0.6201806045279847 0.4455241653173278 1.0000 O O4 1.0 0.1045050212670093 0.7594427757614688 0.554477467024455 1.0000 O O5 1.0 0.10413368741595294 0.28328989617435807 0.5546022651438597 1.0000 O O6 1.0 0.7776149664277434 0.09624242682567757 0.4454004815104196 1.0000 O O7 1.0 0.6169970914869458 0.7778732437994894 0.5545639783425208 1.0000 O O8 1.0 0.26468345685574735 0.6016295285614239 0.4454346591827568 1.0000