#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/70/1007016.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1007016 loop_ _publ_author_name 'Blum, D' 'Durif, A' 'Guitel, J C' _publ_section_title ; Un arseniate acide de baryum Ba H~6~ As~4~ O~14~ . Un nouveau type d'anion cyclique: As~4~ O~14~ ; _journal_coden_ASTM ACBCAR _journal_name_full 'Acta Crystallographica B (24,1968-38,1982)' _journal_page_first 3222 _journal_page_last 3224 _journal_paper_doi 10.1107/S0567740877010619 _journal_volume 33 _journal_year 1977 _chemical_formula_structural 'Ba H6 As4 O14' _chemical_formula_sum 'As4 Ba H6 O14' _chemical_name_systematic ; Barium hexahydrogen cyclo-14-oxotetraarsenate ; _space_group_IT_number 53 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 53 _symmetry_space_group_name_Hall '-P 2ab 2' _symmetry_space_group_name_H-M 'P m a n' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 8.496(3) _cell_length_b 11.249(8) _cell_length_c 5.858(3) _cell_volume 559.9 _refine_ls_R_factor_all 0.051 _[local]_cod_chemical_formula_sum_orig 'H6 As4 Ba O14' _cod_database_code 1007016 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,-y,-z 1/2-x,1/2-y,z 1/2-x,1/2+y,-z -x,-y,-z -x,y,z 1/2+x,1/2+y,-z 1/2+x,1/2-y,z loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Ba1 Ba2+ 2 b 0.5 0. 0. 1. 0 d As1 As5+ 4 f 0.16606(6) 0. 0.5 1. 0 d As2 As5+ 4 h 0. 0.19030(5) 0.7843(1) 1. 0 d O1 O2- 8 i 0.1656(3) 0.1038(2) 0.7532(5) 1. 0 d O2 O2- 4 h 0. 0.3175(4) 0.6419(8) 1. 0 d O3 O2- 4 h 0. 0.2398(4) 0.0591(8) 1. 0 d O4 O2- 4 h 0. 0.0849(3) 0.3822(7) 1. 0 d O5 O2- 8 i 0.1968(4) 0.4135(3) 0.3457(5) 1. 0 d H1 H1+ 4 h -1. -1. -1. 3. 0 dum loop_ _atom_type_symbol _atom_type_oxidation_number Ba2+ 2.000 As5+ 5.000 O2- -2.000 H1+ 1.000