data_global
_chemical_name_mineral 'Sanidine'
loop_
_publ_author_name
'Kimata M'
'Saito S'
'Shimizu M'
'Iida I'
'Matsui T'
_journal_name_full 'Neues Jahrbuch fur Mineralogie, Abhandlungen'
_journal_volume 171 
_journal_year 1996
_journal_page_first 199
_journal_page_last 213
_publ_section_title
;
 Low-temperature structures of orthoclase and sanidine
 Note: T = 121 K
;
_database_code_amcsd 0020560
_chemical_compound_source 'Volkesfeld, Eifel, Germany'
_chemical_formula_sum 'K (Si3 Al) O8'
_cell_length_a 8.514
_cell_length_b 13.018
_cell_length_c 7.183
_cell_angle_alpha 90
_cell_angle_beta 116.03
_cell_angle_gamma 90
_cell_volume 715.374
_exptl_crystal_density_diffrn      2.584
_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
_atom_site_U_iso_or_equiv
K   0.28200   0.00000   0.13590   1.00000   0.01816
SiT1   0.00910   0.18370   0.22370   0.69200   0.00741
AlT1   0.00910   0.18370   0.22370   0.30800   0.00741
SiT2   0.70560   0.11750   0.34400   0.80800   0.00676
AlT2   0.70560   0.11750   0.34400   0.19200   0.00676
Oa1   0.00000   0.14550   0.00000   1.00000   0.01444
Oa2   0.63010   0.00000   0.28590   1.00000   0.01557
Ob   0.82730   0.14370   0.22670   1.00000   0.01611
Oc   0.03140   0.30920   0.25600   1.00000   0.01239
Od   0.18300   0.12610   0.40550   1.00000   0.01234