data_global
_amcsd_formula_title 'KFeGe3O8'
loop_
_publ_author_name
'Levy D'
'Barbier J'
_journal_name_full 'Acta Crystallographica, Section C'
_journal_volume 54 
_journal_year 1998
_journal_page_first 1
_journal_page_last 1
_publ_section_title
;
 A sanidine feldspar analogue: KFeGe3O8
 _cod_database_code 1008829
;
_database_code_amcsd 0016698
_chemical_formula_sum '(Ge3 Fe) K O8'
_cell_length_a 8.8978
_cell_length_b 13.7057
_cell_length_c 7.5532
_cell_angle_alpha 90
_cell_angle_beta 115.867
_cell_angle_gamma 90
_cell_volume 828.830
_exptl_crystal_density_diffrn      3.532
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_space_group_symop_operation_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_occupancy
Ge1   0.00486   0.18228   0.22320   0.68400
Fe1   0.00486   0.18228   0.22320   0.31600
Ge2   0.70010   0.11704   0.34405   0.81600
Fe2   0.70010   0.11704   0.34405   0.18400
K1   0.27560   0.00000   0.13610   1.00000
O1   0.00000   0.13900   0.00000   1.00000
O2   0.61110   0.00000   0.28360   1.00000
O3   0.81440   0.13880   0.21120   1.00000
O4   0.01980   0.30970   0.25880   1.00000
O5   0.18270   0.12310   0.40200   1.00000
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Ge1 0.02300 0.02721 0.01810 -0.00664 0.01084 -0.00368
Fe1 0.02300 0.02721 0.01810 -0.00664 0.01084 -0.00368
Ge2 0.02142 0.02167 0.02121 -0.00114 0.00925 0.00040
Fe2 0.02142 0.02167 0.02121 -0.00114 0.00925 0.00040
K1 0.02650 0.05460 0.04100 0.00000 0.01000 0.00000
O1 0.04700 0.03540 0.02660 0.00000 0.02110 0.00000
O2 0.02930 0.02660 0.05100 0.00000 0.01040 0.00000
O3 0.04360 0.08300 0.04880 -0.02610 0.03100 -0.01530
O4 0.03260 0.03440 0.05700 -0.00420 0.01700 -0.01100
O5 0.04680 0.04890 0.02300 0.00980 0.00370 0.00010