data_global
_amcsd_formula_title 'Na Nb6 O24 P3 Rb2'
loop_
_publ_author_name
'Costentin G'
'Borel M'
'Grandin A'
'Leclaire A'
'Raveau B'
_journal_name_full 'Materials Research Bulletin'
_journal_volume 26 
_journal_year 1991
_journal_page_first 301
_journal_page_last 307
_publ_section_title
;
 A large family of niobium phosphates with the Ca0.5Cs2Nb6P3O24 structure
 _cod_database_code 1001862
;
_database_code_amcsd 0014358
_chemical_formula_sum 'Rb1.998 Na Nb6 P3 O24'
_cell_length_a 13.3518
_cell_length_b 13.3518
_cell_length_c 10.3415
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 1596.591
_exptl_crystal_density_diffrn      3.832
_symmetry_space_group_name_H-M 'R 3 2'
loop_
_space_group_symop_operation_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,-z'
  '2/3-x,1/3-x+y,1/3-z'
  '1/3-x,2/3-x+y,2/3-z'
  'y,x,-z'
  '2/3+y,1/3+x,1/3-z'
  '1/3+y,2/3+x,2/3-z'
  'x-y,-y,-z'
  '2/3+x-y,1/3-y,1/3-z'
  '1/3+x-y,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
_atom_site_occupancy
Rb1   0.36070   0.33320   0.22740   0.33300
Na1   0.00000   0.00000   0.00000   1.00000
Nb1   0.52159   0.16187   0.01413   1.00000
P1   0.22960   0.00000   0.00000   1.00000
O1   0.14620   0.97540   0.11530   1.00000
O2   0.15280   0.00000   0.50000   1.00000
O3   0.34500   0.10710   0.02740   1.00000
O4   0.47480   0.00000   0.00000   1.00000
O5   0.67820   0.21820   0.03160   1.00000