data_global
_chemical_name_mineral 'Albite-Ge'
loop_
_publ_author_name
'Kroll H'
'Flogel J'
'Breit U'
'Lons J'
'Pentinghaus H'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 3 
_journal_year 1991
_journal_page_first 739
_journal_page_last 749
_publ_section_title
;
 Order and anti-order in Ge-substituted alkali feldspars
 Sample: Na[AlSiGe2O8] synthesized at 600 deg C
;
_database_code_amcsd 0006423
_chemical_formula_sum 'Na (Al Si Ge2) O8'
_cell_length_a 8.3258
_cell_length_b 13.1590
_cell_length_c 7.2734
_cell_angle_alpha 94.172
_cell_angle_beta 116.306
_cell_angle_gamma 90.693
_cell_volume 711.575
_exptl_crystal_density_diffrn      3.279
_symmetry_space_group_name_H-M 'C -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'
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
Na0   0.27310   0.01540   0.12470   0.20000   0.08980
Na1   0.27460  -0.02590   0.17770   0.20000   0.02470
Na2   0.28870   0.04070   0.10000   0.20000   0.01216
Na3   0.27060   0.02750   0.10560   0.20000   0.01089
Na4   0.26220   0.00170   0.13850   0.20000   0.01203
AlT10   0.00923   0.16045   0.21214   0.27000   0.01013
SiT10   0.00923   0.16045   0.21214   0.19000   0.01013
GeT10   0.00923   0.16045   0.21214   0.54000   0.01013
AlT1m   0.00296   0.81312   0.23009   0.29000   0.00988
SiT1m   0.00296   0.81312   0.23009   0.34000   0.00988
GeT1m   0.00296   0.81312   0.23009   0.37200   0.00988
AlT20   0.68842   0.10611   0.31510   0.21000   0.01026
SiT20   0.68842   0.10611   0.31510   0.26000   0.01026
GeT20   0.68842   0.10611   0.31510   0.53200   0.01026
AlT2m   0.67885   0.87556   0.35525   0.23000   0.01013
SiT2m   0.67885   0.87556   0.35525   0.21000   0.01013
GeT2m   0.67885   0.87556   0.35525   0.55600   0.01013
OA1   0.00730   0.12980   0.97920   1.00000   0.02102
OA2   0.58070   0.98870   0.27350   1.00000   0.01659
OB0   0.81850   0.09700   0.18770   1.00000   0.02229
OBm   0.81160   0.84070   0.24440   1.00000   0.03052
OC0   0.00570   0.28670   0.28300   1.00000   0.01824
OCm   0.01820   0.68390   0.20490   1.00000   0.02077
OD0   0.20110   0.10770   0.38100   1.00000   0.01950
ODm   0.18920   0.86600   0.43140   1.00000   0.02596