data_global _amcsd_formula_title 'Ge Mn Nb' loop_ _publ_author_name 'Roy-Montreuil J' 'Deyris B' 'Fruchart R' 'Michel A' _journal_name_full 'Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences' _journal_volume 266 _journal_year 1968 _journal_page_first 615 _journal_page_last 617 _publ_section_title ; Etude sur la structure cristallographique du compose Nb Mn Ge _cod_database_code 1008964 ; _database_code_amcsd 0016829 _chemical_formula_sum 'Nb Mn Ge' _cell_length_a 6.540 _cell_length_b 6.540 _cell_length_c 3.631 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 134.497 _exptl_crystal_density_diffrn 8.165 _symmetry_space_group_name_H-M 'P -6 2 m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-x+y,z' '-x+y,-x,-z' 'y,x,-z' '-y,x-y,z' 'x-y,-y,z' 'x,y,-z' '-x,-x+y,-z' '-x+y,-x,z' 'y,x,z' '-y,x-y,-z' 'x-y,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Nb1 0.58200 0.00000 0.50000 Mn1 0.25200 0.00000 0.00000 Ge1 0.33333 0.66667 0.00000 Ge2 0.00000 0.00000 0.50000