data_9001301
_chemical_name 'Edgarbaileyite'
loop_
_publ_author_name
'Angel R J'
'Cressey G'
'Criddle A J'
_journal_name_full "American Mineralogist"
_journal_volume 75
_journal_year 1990
_journal_page_first 1192
_journal_page_last 1196
_publ_section_title
;
 Edgarbaileyite, Hg6Si2O7: The crystal structure of the first mercury silicate
;
_chemical_formula_sum 'Hg6 Si2 O7'
_cell_length_a 11.755
_cell_length_b 7.678
_cell_length_c 5.991
_cell_angle_alpha 90
_cell_angle_beta 111.73
_cell_angle_gamma 90
_cell_volume 502.293
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,z'
  '1/2+x,1/2-y,z'
  '-x,y,-z'
  '1/2-x,1/2+y,-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_Uiso_or_equiv
Hg1   0.11400   0.00000   0.04900   0.01976
Hg2   0.11550   0.24230   0.57890   0.01798
Si   0.64910   0.00000   0.10500   0.01520
O1   0.30300   0.00000   0.11300   0.02280
O2   0.31100   0.16800   0.72800   0.02153
O3   0.50000   0.00000   0.00000   0.00127