data_global _amcsd_formula_title 'As6 H30 N4 O34 V4' loop_ _publ_author_name 'Durif A' 'Averbuch-Pouchot M' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 35 _journal_year 1979 _journal_page_first 1441 _journal_page_last 1444 _publ_section_title ; Structure d'un arsenato vanadate d'ammonium. (NH4)4H6(As6V4O30)(H2O)4 _cod_database_code 1007036 ; _database_code_amcsd 0009671 _chemical_formula_sum 'As3 V2 N2 O17' _cell_length_a 14.40 _cell_length_b 16.31 _cell_length_c 9.831 _cell_angle_alpha 90 _cell_angle_beta 136.29 _cell_angle_gamma 90 _cell_volume 1595.503 _exptl_crystal_density_diffrn 2.609 _symmetry_space_group_name_H-M 'C 1 2/m 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' '-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 As1 0.82430 0.50000 0.28590 As2 0.00000 0.27438 0.50000 As3 0.75190 0.00000 0.40170 V1 0.51070 0.90410 0.76700 N1 0.15070 0.21550 0.22700 O1 0.30390 0.50000 0.29490 O2 0.11000 0.00000 0.35640 O3 0.15710 0.00000 0.14660 O4 0.37280 0.28370 0.31190 O5 0.41510 0.00000 0.52150 O6 0.43410 0.00000 0.09860 O7 0.34450 0.08530 0.20990 O8 0.07270 0.32600 0.45440 O9 0.15840 0.41300 0.32570 O10 0.41940 0.16010 0.05940 O11 0.44460 0.36060 0.16600