data_global
_chemical_name_mineral 'Sanidine'
loop_
_publ_author_name
'Kimata M'
'Shimizu M'
'Saito S'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 8 
_journal_year 1996
_journal_page_first 15
_journal_page_last 24
_publ_section_title
;
 High-temperature crystal structure of sanidine
 Part II. The crystal structure of sanidine at 935 C
 Sample: T = 23 C, feldspar
;
_database_code_amcsd 0006610
_chemical_formula_sum 'K.789 Na.16 Ba.014 Fe.003 (Al Si3) O8'
_cell_length_a 8.531
_cell_length_b 13.007
_cell_length_c 7.179
_cell_angle_alpha 90
_cell_angle_beta 116.00
_cell_angle_gamma 90
_cell_volume 715.981
_exptl_crystal_density_diffrn      2.559
_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   0.28070   0.00000   0.13630   0.78900   0.04606
Na   0.28070   0.00000   0.13630   0.16000   0.04606
Ba   0.28070   0.00000   0.13630   0.01400   0.04606
Fe   0.28070   0.00000   0.13630   0.00300   0.04606
AlT1   0.00850   0.18190   0.22350   0.28000   0.01551
SiT1   0.00850   0.18190   0.22350   0.72000   0.01551
AlT2   0.70230   0.11690   0.34360   0.22000   0.01511
SiT2   0.70230   0.11690   0.34360   0.78000   0.01511
OA1   0.00000   0.14290   0.00000   1.00000   0.02657
OA2   0.62250   0.00000   0.28510   1.00000   0.02669
OB   0.82620   0.14060   0.22620   1.00000   0.02851
OC   0.02770   0.30720   0.25470   1.00000   0.02290
OD   0.18440   0.12520   0.40490   1.00000   0.02461
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
K 0.02889 0.06128 0.04334 0.00000 0.01148 0.00000
Na 0.02889 0.06128 0.04334 0.00000 0.01148 0.00000
Ba 0.02889 0.06128 0.04334 0.00000 0.01148 0.00000
Fe 0.02889 0.06128 0.04334 0.00000 0.01148 0.00000
AlT1 0.01921 0.01748 0.01101 -0.00318 0.00769 -0.00064
SiT1 0.01921 0.01748 0.01101 -0.00318 0.00769 -0.00064
AlT2 0.01808 0.01397 0.01308 -0.00020 0.00662 0.00021
SiT2 0.01808 0.01397 0.01308 -0.00020 0.00662 0.00021
OA1 0.03789 0.02580 0.01905 0.00000 0.01529 0.00000
OA2 0.03235 0.01568 0.02771 0.00000 0.00920 0.00000
OB 0.02719 0.03231 0.02961 -0.00399 0.01577 0.00179
OC 0.02344 0.02014 0.02434 -0.00141 0.00975 -0.00051
OD 0.02749 0.02537 0.01666 0.00111 0.00571 0.00085