data_9006853
_publ_section_title
;
 Structural evolution of rutile-type and CaCl2-type germanium dioxide
 at high pressure
 Sample: rutile-type, P = 10.4 GPa
;
_journal_name_full               'Physics and Chemistry of Minerals'
_journal_page_first              575
_journal_page_last               582
_journal_paper_doi               10.1007/s002690000092
_journal_volume                  27
_journal_year                    2000
_chemical_formula_sum            'Ge O2'
_chemical_name_mineral           Argutite
_space_group_IT_number           136
_symmetry_space_group_name_Hall  '-P 4n 2n'
_symmetry_space_group_name_H-M   'P 42/m n m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   4.3340
_cell_length_b                   4.3340
_cell_length_c                   2.8376
_cell_volume                     53.300
_diffrn_ambient_pressure         1.04e+07
_exptl_crystal_density_diffrn    6.518
_cod_database_code               9006853
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,-x,z
y,x,-z
1/2+y,1/2-x,1/2-z
1/2-y,1/2+x,1/2+z
1/2+x,1/2-y,1/2+z
1/2-x,1/2+y,1/2-z
x,y,-z
-x,-y,z
y,x,z
-y,-x,-z
1/2-y,1/2+x,1/2-z
1/2+y,1/2-x,1/2+z
1/2-x,1/2+y,1/2+z
1/2+x,1/2-y,1/2-z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Ge 0.00000 0.00000 0.00000
O 0.30350 0.30350 0.00000
