data_global
_amcsd_formula_title 'NaLa(SeO3)2'
loop_
_publ_author_name
'Morris R E'
'Hriljac J A'
'Cheetham A K'
_journal_name_full 'Acta Crystallographica, Section C'
_journal_volume 46 
_journal_year 1990
_journal_page_first 2013
_journal_page_last 2017
_publ_section_title
;
 Synthesis and crystal structures of two novel selenites,
 NaY(SeO3)2 and NaLa(SeO3)2
;
_database_code_amcsd 0010202
_chemical_formula_sum 'La Se2 Na O6'
_cell_length_a 6.696
_cell_length_b 6.761
_cell_length_c 13.199
_cell_angle_alpha 90
_cell_angle_beta 101.51
_cell_angle_gamma 90
_cell_volume 585.524
_exptl_crystal_density_diffrn      4.717
_symmetry_space_group_name_H-M 'P 1 21/n 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-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
_atom_site_U_iso_or_equiv
La1   0.65603   0.11947   0.16376   0.00500
Se1   0.60440   0.16490   0.63881   0.00680
Se2   0.80970   0.14780   0.43123   0.00640
Na1   0.80940   0.16920   0.88350   0.01600
O1   0.14570   0.21950   0.84030   0.00890
O2   0.09940   0.01320   0.64550   0.01010
O3   0.49680   0.18130   0.96620   0.00890
O4   0.49460   0.16940   0.74350   0.01060
O5   0.92430   0.20630   0.05800   0.01380
O6   0.29060   0.16710   0.17050   0.01420