data_global _amcsd_formula_title 'Ba2 Ga Ge N' loop_ _publ_author_name 'Clarke S' 'DiSalvo F' _journal_name_full 'Journal of Alloys and Compounds' _journal_volume 259 _journal_year 1997 _journal_page_first 158 _journal_page_last 162 _publ_section_title ; Synthesis and structure of the subnitrides Ba2GeGaN and (Bax Sr1-x)3Ge2N2; x = 0.7 _cod_database_code 1005040 ; _database_code_amcsd 0012795 _chemical_formula_sum 'Ba2 Ge Ga N' _cell_length_a 7.249 _cell_length_b 4.210 _cell_length_c 9.314 _cell_angle_alpha 90 _cell_angle_beta 108.87 _cell_angle_gamma 90 _cell_volume 268.970 _exptl_crystal_density_diffrn 5.322 _symmetry_space_group_name_H-M 'P 1 21/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Ba1 0.79620 0.25000 0.03840 Ba2 0.81080 0.25000 0.61730 Ge1 0.34030 0.25000 0.70340 Ga1 0.46090 0.25000 0.24640 N1 0.18500 0.25000 0.17400 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Ba1 0.00860 0.01000 0.01160 0.00000 -0.00080 0.00000 Ba2 0.01220 0.00900 0.01210 0.00000 0.00050 0.00000 Ge1 0.01200 0.00700 0.01600 0.00000 0.00000 0.00000 Ga1 0.00900 0.00700 0.01100 0.00000 -0.00100 0.00000