data_global _chemical_name_mineral 'Chernovite-(Y)' loop_ _publ_author_name 'Strada M' 'Schwendimann G' _journal_name_full 'Gazzetta Chimica Italiana' _journal_volume 64 _journal_year 1934 _journal_page_first 662 _journal_page_last 674 _publ_section_title ; La struttura cristallina di alcuni fosfati ed arseniati di metalli trivalenti. II. Arseniato e fosfato di ittrio ; _database_code_amcsd 0012653 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Y As O4' _cell_length_a 6.890 _cell_length_b 6.890 _cell_length_c 6.269 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 297.603 _exptl_crystal_density_diffrn 5.085 _symmetry_space_group_name_H-M 'I 41/a m d' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' '-y,1/2-x,1/4+z' '1/2-y,-x,3/4+z' '1/2+y,1/2+x,1/2-z' '+y,+x,-z' '1/2+y,1/2-x,1/2-z' '+y,-x,-z' '-y,1/2+x,1/4+z' '1/2-y,+x,3/4+z' '1/2+x,1/2-y,1/2+z' '+x,-y,+z' '1/2-x,y,3/4-z' '-x,1/2+y,1/4-z' '1/2+x,y,3/4-z' '+x,1/2+y,1/4-z' '1/2-x,1/2-y,1/2+z' '-x,-y,+z' '1/2+y,x,3/4+z' '+y,1/2+x,1/4+z' '-y,-x,-z' '1/2-y,1/2-x,1/2-z' '-y,x,-z' '1/2-y,1/2+x,1/2-z' '1/2+y,-x,3/4+z' '+y,1/2-x,1/4+z' '-x,y,z' '1/2-x,1/2+y,1/2+z' 'x,1/2-y,1/4-z' '1/2+x,-y,3/4-z' '-x,1/2-y,1/4-z' '1/2-x,-y,3/4-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Y 0.00000 0.00000 0.00000 As 0.00000 0.00000 0.50000 O 0.00000 0.17600 0.30100