data_global
_amcsd_formula_title 'O108 Rb21.79 W32.74'
loop_
_publ_author_name
'Goreaud M'
'Desgardin G'
'Raveau B'
_journal_name_full 'Journal of Solid State Chemistry'
_journal_volume 27 
_journal_year 1979
_journal_page_first 145
_journal_page_last 151
_publ_section_title
;
 Le tungstate de rubidium Rb20+x (W4 O6)1/3-x/12 W32 O108 :
 pyrochlore a reseau hote deficitaire
 _cod_database_code 1001198
;
_database_code_amcsd 0013364
_chemical_formula_sum 'W8.184 Rb5.447 O27'
_cell_length_a 15.966
_cell_length_b 15.966
_cell_length_c 10.099
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 2574.368
_exptl_crystal_density_diffrn      6.198
_symmetry_space_group_name_H-M 'I -4'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  'y,-x,-z'
  '1/2+y,1/2-x,1/2-z'
  '-x,-y,z'
  '1/2-x,1/2-y,1/2+z'
  '-y,x,-z'
  '1/2-y,1/2+x,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
W1   0.13072   0.18242   0.35300   1.00000
W2   0.27863   0.14773   0.08670   1.00000
W3   0.03788   0.39155   0.38330   1.00000
W4   0.01587   0.23759   0.66550   1.00000
W5   0.44940   0.59640   0.37910   0.09200
Rb1   0.00000   0.00000   0.52580   0.50000
Rb2   0.47790   0.00000   0.25000   0.25000
Rb3   0.41060   0.20690   0.50670   1.00000
Rb4   0.28400   0.38440   0.21670   1.00000
Rb5   0.01500   0.01500   0.02400   0.22350
O1   0.18900   0.09200   0.41100   1.00000
O2   0.29600   0.05600   0.22600   1.00000
O3   0.13900   0.41000   0.48900   1.00000
O4   0.19800   0.10200   0.01200   1.00000
O5   0.05880   0.13060   0.25500   1.00000
O6   0.06700   0.18300   0.50800   1.00000
O7   0.21700   0.20400   0.22300   1.00000
O8   0.39000   0.20000   0.19000   1.00000
O9   0.21500   0.25800   0.48600   1.00000
O10   0.08800   0.30100   0.31300   1.00000
O11   0.46100   0.34500   0.26900   1.00000
O12   0.00000   0.50000   0.44100   1.00000
O13   0.33300   0.01400   0.49000   1.00000
O14   0.10900   0.45900   0.24400   1.00000