data_global
_chemical_name_mineral 'Moganite'
loop_
_publ_author_name
'Miehe G'
'Graetsch H'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 4 
_journal_year 1992
_journal_page_first 693
_journal_page_last 706
_publ_section_title
;
 Crystal structure of moganite: a new structure type of silica
;
_database_code_amcsd 0006460
_chemical_formula_sum 'Si O2'
_cell_length_a 8.758
_cell_length_b 4.876
_cell_length_c 10.715
_cell_angle_alpha 90
_cell_angle_beta 90.08
_cell_angle_gamma 90
_cell_volume 457.573
_exptl_crystal_density_diffrn      2.617
_symmetry_space_group_name_H-M 'I 1 2/a 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  '1/2-x,y,-z'
  '-x,1/2+y,1/2-z'
  '1/2+x,-y,z'
  '+x,1/2-y,1/2+z'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Si1   0.25000  -0.00920   0.00000   0.04053
Si2   0.01150   0.25330   0.16780   0.00633
O1  -0.03140   0.06800   0.28600   0.02406
O2   0.17110   0.17700   0.10500   0.06333
O3  -0.13430   0.21480   0.07390   0.00507