data_global
_amcsd_formula_title 'NaRb2Al3F12'
loop_
_publ_author_name
'Le Bail A'
'Gao Y'
'Fourquet J'
'Jacoboni C'
_journal_name_full 'Materials Research Bulletin'
_journal_volume 25 
_journal_year 1990
_journal_page_first 831
_journal_page_last 839
_publ_section_title
;
 Structure determination of A2NaAl3F12 (A=K,Na)
 _cod_database_code 1000146
;
_database_code_amcsd 0014346
_chemical_formula_sum 'Rb2 Na Al3 F12'
_cell_length_a 12.046
_cell_length_b 6.984
_cell_length_c 7.093
_cell_angle_alpha 90
_cell_angle_beta 125.04
_cell_angle_gamma 90
_cell_volume 488.573
_exptl_crystal_density_diffrn      3.418
_symmetry_space_group_name_H-M 'P 1 21/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Rb1   0.88270   0.25000   0.87680
Rb2   0.36180   0.75000   0.88050
Na   0.24500   0.25000   0.02640
Al1   0.50000   0.50000   0.50000
Al2   0.00000   0.00000   0.50000
Al3   0.27160   0.25000   0.56050
F1   0.51080   0.25000   0.43330
F2   0.36080   0.25000   0.85770
F3   0.05640   0.75000   0.56230
F4   0.82090   0.75000   0.73200
F5   0.63930   0.03190   0.78490
F6   0.38490   0.06480   0.58310
F7   0.93080   0.96330   0.20970
F8   0.83710   0.56120   0.44990
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
Rb1 0.02570 0.02530 0.02270 0.00000 0.00000 0.01590
Rb2 0.01930 0.02610 0.01380 0.00000 0.00000 0.00660