data_global
_chemical_name_mineral 'Reederite-(Y)'
loop_
_publ_author_name
'Grice J D'
'Gault R A'
'Chao G Y'
_journal_name_full 'American Mineralogist'
_journal_volume 80 
_journal_year 1995
_journal_page_first 1059
_journal_page_last 1064
_publ_section_title
;
 Reederite -(Y), a new sodium rare-earth mineral with a unique fluorosulfate
 anion
;
_database_code_amcsd 0001759
_chemical_formula_sum 'Y2 Na15 Cl C9 O30 S F'
_cell_length_a 8.773
_cell_length_b 8.773
_cell_length_c 10.746
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 716.265
_exptl_crystal_density_diffrn      2.776
_symmetry_space_group_name_H-M 'P -6'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x+y,-x,-z'
  '-y,x-y,z'
  'x,y,-z'
  '-x+y,-x,z'
  '-y,x-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Y   0.00000   0.00000   0.17810   1.00000   0.01000
Na1   0.33333   0.66667   0.19830   1.00000   0.01800
Na2   0.35250   0.90320   0.26150   1.00000   0.02200
Na3   0.61370   0.96330   0.00000   1.00000   0.04600
Na4   0.44340   0.12090   0.50000   1.00000   0.02200
Na5   0.00000   0.00000   0.50000   1.00000   0.02400
Cl   0.33333   0.66667   0.00000   1.00000   0.27000
C1   0.71400   0.64630   0.00000   1.00000   0.01300
C2   0.32030   0.25210   0.69970   1.00000   0.01300
O1   0.90890   0.34550   0.89770   1.00000   0.03200
O2   0.83270   0.81050   0.00000   1.00000   0.02200
O3   0.88850   0.53040   0.65430   1.00000   0.01900
O4   0.86450   0.77250   0.65960   1.00000   0.01600
O5   0.04600   0.74810   0.79010   1.00000   0.01800
O6   0.19340   0.49300   0.50000   1.00000   0.09700
S   0.33333   0.66667   0.50000   1.00000   0.01800
F   0.33333   0.66667   0.35330   0.50000   0.01500