#------------------------------------------------------------------------------ #$Date: 2013-03-28 18:17:04 +0200 (Thu, 28 Mar 2013) $ #$Revision: 77586 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/76/9007637.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9007637 loop_ _publ_author_name 'Jones, P. G.' 'Beesk, W.' 'Sheldrick, G. M.' 'Schwarzmann, E.' _publ_section_title ; Arsenic dioxide ; _journal_name_full 'Acta Crystallographica, Section B' _journal_page_first 439 _journal_page_last 440 _journal_volume 36 _journal_year 1980 _chemical_formula_structural AsO2 _chemical_formula_sum 'As O2' _chemical_name_mineral AsO2 _space_group_IT_number 62 _symmetry_space_group_name_Hall '-P 2ac 2n' _symmetry_space_group_name_H-M 'P n m a' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 8.597 _cell_length_b 5.235 _cell_length_c 7.269 _cell_volume 327.143 _exptl_crystal_density_diffrn 4.342 _cod_database_code 9007637 _amcsd_database_code AMCSD#0009539 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,1/2-y,z -x,1/2+y,-z 1/2-x,1/2+y,1/2+z 1/2+x,1/2-y,1/2-z 1/2+x,y,1/2-z 1/2-x,-y,1/2+z -x,-y,-z 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 As1 0.02200 0.02100 0.02200 0.00000 0.00000 0.00000 As2 0.02300 0.02300 0.02300 0.00000 -0.00200 0.00000 O1 0.02900 0.02100 0.02800 0.00200 0.00400 0.00300 O2 0.02600 0.02700 0.02600 0.00000 0.00500 0.00000 O3 0.03000 0.03700 0.03200 0.00000 -0.00500 0.00000 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z As1 0.07380 0.25000 0.17310 As2 0.26470 0.25000 -0.19650 O1 0.09000 -0.00500 0.31960 O2 0.24650 0.25000 0.05270 O3 -0.08840 0.25000 0.06200