#------------------------------------------------------------------------------ #$Date$ #$Revision$ #$URL$ #------------------------------------------------------------------------------ # # 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_9012531 loop_ _publ_author_name 'Aurivillius, K.' _publ_section_title ; Least-squares refinement of the crystal structures of orthorhombic HgO and of Hg2O2NaI Locality: synthetic ; _journal_name_full 'Acta Chemica Scandinavica' _journal_page_first 1305 _journal_page_last 1306 _journal_volume 18 _journal_year 1964 _chemical_formula_sum 'Hg2 I Na O2' _chemical_name_mineral NaIHg2O2 _space_group_IT_number 180 _symmetry_space_group_name_Hall 'P 62 2 (0 0 4)' _symmetry_space_group_name_H-M 'P 62 2 2' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 6.667 _cell_length_b 6.667 _cell_length_c 10.054 _cell_volume 387.017 _[local]_cod_data_source_file 12515.cif _[local]_cod_data_source_block global _[local]_cod_chemical_formula_sum_orig 'Na I Hg2 O2' loop_ _symmetry_equiv_pos_as_xyz x,y,z x,x-y,1/3-z x-y,x,1/3+z y,x,2/3-z -y,x-y,2/3+z -x+y,y,-z -x,-y,z -x,-x+y,1/3-z -x+y,-x,1/3+z -y,-x,2/3-z y,-x+y,2/3+z x-y,-y,-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Na 0.00000 0.00000 0.50000 -0.00963 I 0.50000 0.00000 0.00000 0.00545 Hg 0.50000 0.00000 0.33333 0.00215 O 0.15210 0.30420 0.00000 0.00152