data_global _amcsd_formula_title 'As6 Ge2 Na10' loop_ _publ_author_name 'Eisenmann B' 'Klein J' 'Somer M' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 197 _journal_year 1991 _journal_page_first 265 _journal_page_last 266 _publ_section_title ; Crystal structure of decasodium di-mue-arsenidobis(diarsenidosilicate) _cod_database_code 1008852 ; _database_code_amcsd 0016718 _chemical_formula_sum 'Ge As3 Na5' _cell_length_a 13.531 _cell_length_b 7.544 _cell_length_c 8.298 _cell_angle_alpha 90 _cell_angle_beta 90.2 _cell_angle_gamma 90 _cell_volume 847.037 _exptl_crystal_density_diffrn 3.233 _symmetry_space_group_name_H-M 'P 1 21/n 1' loop_ _space_group_symop_operation_xyz 'x,y,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 Ge1 0.08630 0.14270 0.42810 As1 0.22830 0.23850 0.58630 As2 0.08080 0.26310 0.15400 As3 0.93220 0.18920 0.58820 Na1 0.74100 0.14800 0.42540 Na2 0.41860 0.16450 0.42220 Na3 0.08800 0.01550 0.82640 Na4 0.08470 0.53120 0.67020 Na5 0.25860 0.99540 0.18070 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 Ge1 0.00760 0.00730 0.00710 0.00030 -0.00110 -0.00030 As1 0.00970 0.01310 0.01140 -0.00140 -0.00290 0.00250 As2 0.01160 0.01350 0.00820 -0.00030 -0.00070 0.00250 As3 0.01020 0.00910 0.01120 0.00010 0.00090 -0.00030 Na1 0.01680 0.02540 0.01760 0.00170 -0.00070 -0.00030 Na2 0.01710 0.02730 0.01810 -0.00170 -0.00030 -0.00070 Na3 0.02550 0.02370 0.02950 -0.00340 0.00090 0.00140 Na4 0.03620 0.03060 0.03340 0.01610 0.01230 0.01150 Na5 0.02990 0.02630 0.02360 0.00930 -0.00450 -0.00210