data_9008139
_chemical_name 'Li2(Si.25Ge.75)2O5'
loop_
_publ_author_name
'Vollenkle H'
'Wittmann A'
'Nowatny H'
_journal_name_full "Zeitschrift fur Kristallographie"
_journal_volume 126
_journal_year 1968
_journal_page_first 37
_journal_page_last 45
_publ_section_title
;
 Die kristallstruktur von Li2(Si0.25Ge0.75)2O5
;
_chemical_formula_sum 'Li2 (Si.5 Ge1.5) O5'
_cell_length_a 5.99
_cell_length_b 15.05
_cell_length_c 4.94
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 445.339
_symmetry_space_group_name_H-M 'A b m 2'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  'x,1/2+y,1/2+z'
  'x,1/2-y,z'
  'x,-y,1/2+z'
  '-x,1/2+y,z'
  '-x,+y,1/2+z'
  '-x,-y,z'
  '-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_occupancy
_atom_site_Uiso_or_equiv
Li   0.35600   0.05700   0.06000   1.00000   0.00887
Si   0.15500   0.14480   0.40000   0.25000   0.00507
Ge   0.15500   0.14480   0.40000   0.75000   0.00507
O1   0.33200   0.06700   0.46400   1.00000   0.00887
O2   0.10400   0.13350   0.06000   1.00000   0.00887
O3   0.24000   0.25000   0.47000   1.00000   0.00887