data_global
_chemical_name_mineral 'Hingganite-(Yb)'
loop_
_publ_author_name
'Yakubovich O V'
'Matvinenko E N'
'Voloshin A V'
'Simonov M A'
_journal_name_full 'Kristallografiya'
_journal_volume 28 
_journal_year 1983
_journal_page_first 457
_journal_page_last 460
_publ_section_title
;
 The crystal structure of hingganite-(Yb), (Y0.51Yb0.36Ca0.13)Fe0.065Be[SiO4](OH)
;
_database_code_amcsd 0014186
_chemical_formula_sum '(Y1.02 Yb.72 Ca.26) Fe.13 Be2 Si2 O10 H2'
_cell_length_a 9.888
_cell_length_b 7.607
_cell_length_c 4.740
_cell_angle_alpha 90
_cell_angle_beta 90.45
_cell_angle_gamma 90
_cell_volume 356.522
_exptl_crystal_density_diffrn      4.370
_symmetry_space_group_name_H-M 'P 1 21/a 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,z'
  '1/2-x,1/2+y,-z'
  '-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   0.33301   0.10890   0.99870   0.51000   0.01013
Yb   0.33301   0.10890   0.99870   0.36000   0.01013
Ca   0.33301   0.10890   0.99870   0.13000   0.01013
Fe   0.00000   0.00000   0.00000   0.13000   0.01140
Be   0.33500   0.41300   0.44800   1.00000   0.00127
Si   0.07910   0.27630   0.51900   1.00000   0.00418
O1   0.19500   0.34700   0.30000   1.00000   0.00633
O2   0.14850   0.10900   0.68700   1.00000   0.00760
O3   0.03320   0.41200   0.76400   1.00000   0.00633
O4   0.44990   0.28400   0.32600   1.00000   0.00633
O-H5   0.33050   0.41200   0.78600   1.00000   0.00633