data_9009659 _chemical_name 'Nitratine' loop_ _publ_author_name 'Ahtee M' 'Nurmela M' 'Suortti P' 'Jarvinen M' _journal_name_full "Journal of Applied Crystallography" _journal_volume 22 _journal_year 1989 _journal_page_first 261 _journal_page_last 268 _publ_section_title ; Correction for preferred orientation in Rietveld refinement Sample: II, refined with correction for texture Note: Synthetic sample ; _chemical_formula_sum 'Na N O3' _cell_length_a 5.0718 _cell_length_b 5.0718 _cell_length_c 16.8336 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 375.001 _symmetry_space_group_name_H-M 'R -3 c' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '2/3+x,1/3+y,1/3+z' '1/3+x,2/3+y,2/3+z' 'x,x-y,1/2+z' '2/3+x,1/3+x-y,5/6+z' '1/3+x,2/3+x-y,1/6+z' 'y,x,1/2-z' '2/3+y,1/3+x,5/6-z' '1/3+y,2/3+x,1/6-z' '-x+y,y,1/2+z' '2/3-x+y,1/3+y,5/6+z' '1/3-x+y,2/3+y,1/6+z' '-x,-x+y,1/2-z' '2/3-x,1/3-x+y,5/6-z' '1/3-x,2/3-x+y,1/6-z' '-y,-x,1/2+z' '2/3-y,1/3-x,5/6+z' '1/3-y,2/3-x,1/6+z' 'x-y,-y,1/2-z' '2/3+x-y,1/3-y,5/6-z' '1/3+x-y,2/3-y,1/6-z' 'y,-x+y,-z' '2/3+y,1/3-x+y,1/3-z' '1/3+y,2/3-x+y,2/3-z' '-x+y,-x,z' '2/3-x+y,1/3-x,1/3+z' '1/3-x+y,2/3-x,2/3+z' '-x,-y,-z' '2/3-x,1/3-y,1/3-z' '1/3-x,2/3-y,2/3-z' '-y,x-y,z' '2/3-y,1/3+x-y,1/3+z' '1/3-y,2/3+x-y,2/3+z' 'x-y,x,-z' '2/3+x-y,1/3+x,1/3-z' '1/3+x-y,2/3+x,2/3-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Na 0.00000 0.00000 0.00000 N 0.00000 0.00000 0.25000 O 0.24990 0.00000 0.25000