data_global
_chemical_name_mineral 'Natroxalate'
loop_
_publ_author_name
'Reed D A'
'Olmstead M M'
_journal_name_full 'Acta Crystallographica, Section B'
_journal_volume 37 
_journal_year 1981
_journal_page_first 938
_journal_page_last 939
_publ_section_title
;
 Sodium oxalate structure refinement
 Sample: T = 140 K
;
_database_code_amcsd 0009741
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Na C O2'
_cell_length_a 3.449
_cell_length_b 5.243
_cell_length_c 10.375
_cell_angle_alpha 90
_cell_angle_beta 92.66
_cell_angle_gamma 90
_cell_volume 187.410
_exptl_crystal_density_diffrn      2.375
_symmetry_space_group_name_H-M 'P 1 21/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,1/2+z'
  '-x,1/2+y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Na   0.30200   0.05650   0.35520
C   0.11350   0.04350   0.06340
O1   0.16570  -0.12220   0.15110
O2   0.22740   0.27040   0.06910
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
Na 0.01457 0.00773 0.00646 0.00241 -0.00089 -0.00127
C 0.00798 0.00874 0.01203 0.00203 0.00633 -0.00051
O1 0.01659 0.01089 0.00684 -0.00063 -0.00051 0.00203
O2 0.01824 0.00747 0.00937 -0.00165 -0.00051 -0.00076