data_global _amcsd_formula_title 'Ge Hf O4' loop_ _publ_author_name 'Durif A' _journal_name_full 'Acta Crystallographica' _journal_volume 14 _journal_year 1961 _journal_page_first 312 _journal_page_last 312 _publ_section_title ; Structure du germanate d'hafnium _cod_database_code 1007090 ; _database_code_amcsd 0009248 _chemical_formula_sum 'Ge Hf' _cell_length_a 4.849 _cell_length_b 4.849 _cell_length_c 10.501 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 246.908 _exptl_crystal_density_diffrn 6.755 _symmetry_space_group_name_H-M 'I 41/a' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' '1/2+y,1/2-x,1/2-z' '+y,-x,-z' '-y,1/2+x,1/4+z' '1/2-y,+x,3/4+z' '1/2+x,y,3/4-z' '+x,1/2+y,1/4-z' '1/2-x,1/2-y,1/2+z' '-x,-y,+z' '-y,x,-z' '1/2-y,1/2+x,1/2-z' '1/2+y,-x,3/4+z' '+y,1/2-x,1/4+z' '-x,1/2-y,1/4-z' '1/2-x,-y,3/4-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Ge1 0.00000 0.00000 0.00000 Hf1 0.00000 0.00000 0.50000