data_global _chemical_name_mineral 'Qitianlingite' loop_ _publ_author_name 'Zhizhong P' 'Su W' 'Zhesheng M' 'Guangming Y' _journal_name_full 'Kexue Tongbao' _journal_volume 33 _journal_year 1988 _journal_page_first 856 _journal_page_last 861 _publ_section_title ; The crystal structure of qitianlingite (Fe2Nb2WO10) ; _database_code_amcsd 0014177 _chemical_compound_source 'Qitianling, Hunan Province, China' _chemical_formula_sum 'Fe1.345 Mn.559 Sn.016 Nb1.691 Ta.351 Ti.102 W.919 O10' _cell_length_a 23.706 _cell_length_b 5.723 _cell_length_c 5.045 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 684.452 _exptl_crystal_density_diffrn 6.425 _symmetry_space_group_name_H-M 'P b c n' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,z' '1/2+x,1/2-y,-z' '1/2+x,1/2+y,1/2-z' '1/2-x,1/2-y,1/2+z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv FeB 0.10030 0.32860 0.25810 0.67230 0.01001 MnB 0.10030 0.32860 0.25810 0.27940 0.01001 SnB 0.10030 0.32860 0.25810 0.00800 0.01001 NbB 0.10030 0.32860 0.25810 0.04040 0.01001 NbC 0.30230 0.32310 0.23470 0.77360 0.00950 TaC 0.30230 0.32310 0.23470 0.17550 0.00950 TiC 0.30230 0.32310 0.23470 0.05100 0.00950 WA 0.50000 0.32410 0.25000 0.91890 0.00849 NbA 0.50000 0.32410 0.25000 0.06300 0.00849 O1 0.04080 0.10600 0.43300 1.00000 0.00760 O2 0.15710 0.10140 0.06410 1.00000 0.00507 O3 0.24470 0.12150 0.41680 1.00000 0.00633 O4 0.44700 0.12780 0.40420 1.00000 0.00507 O5 0.35130 0.11320 0.09250 1.00000 0.00127