data_global _chemical_name_mineral 'Qilianshanite' loop_ _publ_author_name 'Wang L' 'Zhou K' 'Shi J' _journal_name_full 'Geological Review' _journal_volume 40 _journal_year 1994 _journal_page_first 347 _journal_page_last 353 _publ_section_title ; Refinement of the qilianshanite structure ; _database_code_amcsd 0012663 _chemical_compound_source 'Qinghai Province, China' _chemical_formula_sum 'Na C B (O8 H8)' _cell_length_a 16.119 _cell_length_b 6.928 _cell_length_c 6.730 _cell_angle_alpha 90 _cell_angle_beta 100.46 _cell_angle_gamma 90 _cell_volume 739.066 _exptl_crystal_density_diffrn 1.635 _symmetry_space_group_name_H-M 'C 1 2 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' '-x,y,-z' '1/2-x,1/2+y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Na1 0.50000 0.00000 0.50000 0.03040 Na2 0.50000 0.00300 0.00000 0.03166 C 0.69010 0.00500 0.32600 0.04559 B 0.81900 0.00700 -0.10500 0.02406 O-H1 0.73710 -0.00200 -0.15700 0.04559 O-H2 0.85990 0.00100 0.08000 0.03673 O-H3 0.86450 0.00000 -0.25800 0.03673 O4 0.64450 0.02400 0.47400 0.04306 O-H5 0.77230 -0.00400 0.37200 0.04306 O6 0.64780 0.01400 0.13700 0.04559 Wat7 0.48300 0.25100 0.24100 0.05066 Wat8 0.99000 0.26600 0.24100 0.02660 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Na1 0.01900 0.03700 0.03400 0.00000 0.00500 0.00000 Na2 0.02200 0.04000 0.03400 0.00000 0.00400 0.00000 C 0.04900 0.05000 0.03600 -0.04000 0.00300 0.00000 B 0.02100 0.03500 0.01700 0.01000 0.00500 -0.01000 O-H1 0.03700 0.07600 0.02400 -0.02000 0.00600 -0.01000 O-H2 0.02700 0.05200 0.02900 -0.02000 0.00300 -0.02000 O-H3 0.02300 0.04600 0.04000 0.00000 0.00200 0.00000 O4 0.02400 0.08000 0.02300 0.01000 0.01100 0.01000 O-H5 0.02100 0.07200 0.03200 0.00000 -0.00100 0.01000 O6 0.02100 0.08000 0.03500 0.02000 0.00000 -0.01000 Wat7 0.04000 0.06000 0.07000 -0.02100 0.03000 -0.01000 Wat8 0.03200 0.02900 0.02000 -0.01800 -0.00300 -0.00400