data_global _chemical_name_mineral 'Gahnite' loop_ _publ_author_name 'Levy D' 'Pavese A' 'Sani A' 'Pischedda V' _journal_name_full 'Physics and Chemistry of Minerals' _journal_volume 28 _journal_year 2001 _journal_page_first 612 _journal_page_last 618 _publ_section_title ; Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Sample: P = 21.0 GPa ; _database_code_amcsd 0008621 _chemical_formula_sum 'Zn Al2 O4' _cell_length_a 7.8837 _cell_length_b 7.8837 _cell_length_c 7.8837 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 489.993 _exptl_crystal_density_diffrn 4.971 _symmetry_space_group_name_H-M 'F d 3 m' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2+y,1/2+z' '1/2+x,y,1/2+z' '1/2+x,1/2+y,z' '3/4+z,1/2-x,1/4+y' '3/4+z,-x,3/4+y' '1/4+z,1/2-x,3/4+y' '1/4+z,-x,1/4+y' '3/4-y,1/2+z,1/4-x' '3/4-y,+z,3/4-x' '1/4-y,1/2+z,3/4-x' '1/4-y,+z,1/4-x' '3/4+x,1/2-y,1/4+z' '3/4+x,-y,3/4+z' '1/4+x,1/2-y,3/4+z' '1/4+x,-y,1/4+z' '3/4-z,1/2+x,1/4-y' '3/4-z,+x,3/4-y' '1/4-z,1/2+x,3/4-y' '1/4-z,+x,1/4-y' '3/4+y,1/2-z,1/4+x' '3/4+y,-z,3/4+x' '1/4+y,1/2-z,3/4+x' '1/4+y,-z,1/4+x' '3/4-x,1/2+y,1/4-z' '3/4-x,+y,3/4-z' '1/4-x,1/2+y,3/4-z' '1/4-x,+y,1/4-z' '1/2+x,3/4-z,1/4-y' '1/2+x,1/4-z,3/4-y' '+x,3/4-z,3/4-y' '+x,1/4-z,1/4-y' '1/2-z,3/4+y,1/4+x' '1/2-z,1/4+y,3/4+x' '-z,3/4+y,3/4+x' '-z,1/4+y,1/4+x' '1/2+y,3/4-x,1/4-z' '1/2+y,1/4-x,3/4-z' '+y,3/4-x,3/4-z' '+y,1/4-x,1/4-z' '1/2-x,3/4+z,1/4+y' '1/2-x,1/4+z,3/4+y' '-x,3/4+z,3/4+y' '-x,1/4+z,1/4+y' '1/2+z,3/4-y,1/4-x' '1/2+z,1/4-y,3/4-x' '+z,3/4-y,3/4-x' '+z,1/4-y,1/4-x' '1/2-y,3/4+x,1/4+z' '1/2-y,1/4+x,3/4+z' '-y,3/4+x,3/4+z' '-y,1/4+x,1/4+z' 'x,1/2+z,1/2+y' 'x,+z,+y' '1/2+x,1/2+z,+y' '1/2+x,+z,1/2+y' '-z,1/2-y,1/2-x' '-z,-y,-x' '1/2-z,1/2-y,-x' '1/2-z,-y,1/2-x' 'y,1/2+x,1/2+z' 'y,+x,+z' '1/2+y,1/2+x,+z' '1/2+y,+x,1/2+z' '-x,1/2-z,1/2-y' '-x,-z,-y' '1/2-x,1/2-z,-y' '1/2-x,-z,1/2-y' 'z,1/2+y,1/2+x' 'z,+y,+x' '1/2+z,1/2+y,+x' '1/2+z,+y,1/2+x' '-y,1/2-x,1/2-z' '-y,-x,-z' '1/2-y,1/2-x,-z' '1/2-y,-x,1/2-z' '3/4+z,1/4+x,1/2-y' '3/4+z,3/4+x,-y' '1/4+z,1/4+x,-y' '1/4+z,3/4+x,1/2-y' '3/4-y,1/4-z,1/2+x' '3/4-y,3/4-z,+x' '1/4-y,1/4-z,+x' '1/4-y,3/4-z,1/2+x' '3/4+x,1/4+y,1/2-z' '3/4+x,3/4+y,-z' '1/4+x,1/4+y,-z' '1/4+x,3/4+y,1/2-z' '3/4-z,1/4-x,1/2+y' '3/4-z,3/4-x,+y' '1/4-z,1/4-x,+y' '1/4-z,3/4-x,1/2+y' '3/4+y,1/4+z,1/2-x' '3/4+y,3/4+z,-x' '1/4+y,1/4+z,-x' '1/4+y,3/4+z,1/2-x' '3/4-x,1/4-y,1/2+z' '3/4-x,3/4-y,+z' '1/4-x,1/4-y,+z' '1/4-x,3/4-y,1/2+z' '-z,3/4+x,3/4+y' '-z,1/4+x,1/4+y' '1/2-z,3/4+x,1/4+y' '1/2-z,1/4+x,3/4+y' 'y,3/4-z,3/4-x' 'y,1/4-z,1/4-x' '1/2+y,3/4-z,1/4-x' '1/2+y,1/4-z,3/4-x' '-x,3/4+y,3/4+z' '-x,1/4+y,1/4+z' '1/2-x,3/4+y,1/4+z' '1/2-x,1/4+y,3/4+z' 'z,3/4-x,3/4-y' 'z,1/4-x,1/4-y' '1/2+z,3/4-x,1/4-y' '1/2+z,1/4-x,3/4-y' '-y,3/4+z,3/4+x' '-y,1/4+z,1/4+x' '1/2-y,3/4+z,1/4+x' '1/2-y,1/4+z,3/4+x' 'x,3/4-y,3/4-z' 'x,1/4-y,1/4-z' '1/2+x,3/4-y,1/4-z' '1/2+x,1/4-y,3/4-z' '1/4-x,1/2+z,3/4-y' '1/4-x,+z,1/4-y' '3/4-x,1/2+z,1/4-y' '3/4-x,+z,3/4-y' '1/4+z,1/2-y,3/4+x' '1/4+z,-y,1/4+x' '3/4+z,1/2-y,1/4+x' '3/4+z,-y,3/4+x' '1/4-y,1/2+x,3/4-z' '1/4-y,+x,1/4-z' '3/4-y,1/2+x,1/4-z' '3/4-y,+x,3/4-z' '1/4+x,1/2-z,3/4+y' '1/4+x,-z,1/4+y' '3/4+x,1/2-z,1/4+y' '3/4+x,-z,3/4+y' '1/4-z,1/2+y,3/4-x' '1/4-z,+y,1/4-x' '3/4-z,1/2+y,1/4-x' '3/4-z,+y,3/4-x' '1/4+y,1/2-x,3/4+z' '1/4+y,-x,1/4+z' '3/4+y,1/2-x,1/4+z' '3/4+y,-x,3/4+z' '3/4-x,3/4-z,y' '3/4-x,1/4-z,1/2+y' '1/4-x,3/4-z,1/2+y' '1/4-x,1/4-z,y' '3/4+z,3/4+y,-x' '3/4+z,1/4+y,1/2-x' '1/4+z,3/4+y,1/2-x' '1/4+z,1/4+y,-x' '3/4-y,3/4-x,z' '3/4-y,1/4-x,1/2+z' '1/4-y,3/4-x,1/2+z' '1/4-y,1/4-x,z' '3/4+x,3/4+z,-y' '3/4+x,1/4+z,1/2-y' '1/4+x,3/4+z,1/2-y' '1/4+x,1/4+z,-y' '3/4-z,3/4-y,x' '3/4-z,1/4-y,1/2+x' '1/4-z,3/4-y,1/2+x' '1/4-z,1/4-y,x' '3/4+y,3/4+x,-z' '3/4+y,1/4+x,1/2-z' '1/4+y,3/4+x,1/2-z' '1/4+y,1/4+x,-z' '-z,-x,-y' '-z,1/2-x,1/2-y' '1/2-z,-x,1/2-y' '1/2-z,1/2-x,-y' 'y,z,x' 'y,1/2+z,1/2+x' '1/2+y,z,1/2+x' '1/2+y,1/2+z,x' '-x,-y,-z' '-x,1/2-y,1/2-z' '1/2-x,-y,1/2-z' '1/2-x,1/2-y,-z' 'z,x,y' 'z,1/2+x,1/2+y' '1/2+z,x,1/2+y' '1/2+z,1/2+x,y' '-y,-z,-x' '-y,1/2-z,1/2-x' '1/2-y,-z,1/2-x' '1/2-y,1/2-z,-x' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z ZnM 0.12500 0.12500 0.12500 AlT 0.50000 0.50000 0.50000 O 0.26470 0.26470 0.26470