data_global _amcsd_formula_title 'As Cr2 H K2 O10' loop_ _publ_author_name 'Averbuch-Pouchot M' 'Durif A' 'Guitel J' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 34 _journal_year 1978 _journal_page_first 3725 _journal_page_last 3727 _publ_section_title ; Structure de l'Hydrogenobis(chromato)arsenate de Potassium K2HCr2AsO10 et Donnees Cristallographiques sur K2 H Cr2 P O10 _cod_database_code 1007083 ; _database_code_amcsd 0009653 _chemical_formula_sum 'Cr2 As K2 O10' _cell_length_a 7.712 _cell_length_b 7.712 _cell_length_c 14.644 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 754.266 _exptl_crystal_density_diffrn 2.755 _symmetry_space_group_name_H-M 'P 31' loop_ _space_group_symop_operation_xyz 'x,y,z' '-y,x-y,1/3+z' '-x+y,-x,2/3+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Cr1 0.42780 0.42430 0.24490 Cr2 0.41910 0.42050 0.75300 As1 0.12810 0.01990 0.34930 K1 0.55200 0.01820 0.83890 K2 0.60830 0.00610 0.33230 O1 0.35570 0.18570 0.30210 O2 0.62530 0.47960 0.18510 O3 0.46920 0.59410 0.32090 O4 0.24530 0.39040 0.17590 O5 0.18980 0.33710 0.68670 O6 0.77220 0.16990 0.14220 O7 0.14330 0.55650 0.49310 O8 0.49450 0.08680 0.01470 O9 0.08730 0.09700 0.44820 O10 0.01570 -0.04240 0.61420