data_global _amcsd_formula_title 'Zn2[GeO4]' loop_ _publ_author_name 'Hang C' 'Simonov M A' 'Belov N V' _journal_name_full 'Soviet Physics Crystallography' _journal_volume 15 _journal_year 1970 _journal_page_first 387 _journal_page_last 390 _publ_section_title ; Crystal structures of willemite Zn2[SiO4] and its germanium analog Zn2[GeO4] ; _database_code_amcsd 0018745 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Zn2 Ge O4' _cell_length_a 8.836 _cell_length_b 8.836 _cell_length_c 8.836 _cell_angle_alpha 107.7 _cell_angle_beta 107.7 _cell_angle_gamma 107.7 _cell_volume 563.200 _exptl_crystal_density_diffrn 4.730 _symmetry_space_group_name_H-M 'R -3' loop_ _space_group_symop_operation_xyz 'x,y,z' '-z,-x,-y' 'y,z,x' '-x,-y,-z' 'z,x,y' '-y,-z,-x' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Zn1 0.79800 0.56200 0.38900 Zn2 0.13200 0.89600 0.72300 Ge 0.46500 0.22900 0.05600 O1 0.31700 0.00500 -0.03400 O2 0.62500 0.31200 0.27200 O3 0.97300 0.64100 0.63600 O4 0.57900 0.24900 -0.07800