data_global _chemical_name_mineral 'Germanium' loop_ _publ_author_name 'Takemura K' 'Schwarz U' 'Syassen K' 'Christensen N E' 'Hanfland M' 'Novikov D L' 'Loa I' _journal_name_full 'Physica Status Solidi' _journal_volume B223 _journal_year 2001 _journal_page_first 385 _journal_page_last 390 _publ_section_title ; High-pressure structures of Ge above 100 GPa Sample: at P = 135 GPa Note: structure theoretically calculated based on experimental data ; _database_code_amcsd 0015111 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Ge' _cell_length_a 7.886 _cell_length_b 4.656 _cell_length_c 4.667 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 171.359 _exptl_crystal_density_diffrn 11.258 _symmetry_space_group_name_H-M 'C m c a' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,1/2-y,1/2+z' '1/2+x,-y,1/2+z' '-x,1/2+y,1/2-z' '1/2-x,+y,1/2-z' '-x,y,z' '1/2-x,1/2+y,z' 'x,-y,-z' '1/2+x,1/2-y,-z' 'x,1/2+y,1/2-z' '1/2+x,+y,1/2-z' '-x,1/2-y,1/2+z' '1/2-x,-y,1/2+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 Ge1 0.22100 0.00000 0.00000 Ge2 0.00000 0.17210 0.31380