data_9000262
_chemical_name 'Mn2GeO4-delta'
loop_
_publ_author_name
'Morimoto N'
'Tokonami M'
'Koto K'
'Nakajima S'
_journal_name_full "American Mineralogist"
_journal_volume 57
_journal_year 1972
_journal_page_first 62
_journal_page_last 75
_publ_section_title
;
 Crystal structures of the high pressure polymorphs of Mn2GeO4
;
_chemical_formula_sum 'Mn2 Ge O4'
_cell_length_a 5.262
_cell_length_b 9.274
_cell_length_c 2.954
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 144.155
_symmetry_space_group_name_H-M 'P b a m'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '1/2+x,1/2-y,z'
  '1/2-x,1/2+y,-z'
  '1/2-x,1/2+y,z'
  '1/2+x,1/2-y,-z'
  'x,y,-z'
  '-x,-y,z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Mn   0.06220   0.32220   0.50000
Ge   0.00000   0.00000   0.00000
O1   0.22950   0.04330   0.50000
O2   0.37220   0.31410   0.00000