data_5910190 loop_ _publ_author_name 'Wyckoff, R. W. G.' _publ_section_title ; Pages 19, 20 & 21 from the Structure of Crystals, vol. 3 by Wyckoff R W G. published by Interscience Publishers, Inc. in 1951 ; _journal_name_full 'The Structure of Crystals' _journal_page_first 19 _journal_page_last 21 _journal_volume 3 _journal_year 1951 _chemical_formula_structural YNbO4 _chemical_formula_sum 'Nb O4 Y' _space_group_IT_number 88 _symmetry_cell_setting tetragonal _symmetry_Int_Tables_number 88 _symmetry_space_group_name_Hall '-I 4ad' _symmetry_space_group_name_H-M 'I 41/a :2' _audit_creation_date 2006-02-07 _audit_creation_method ; Pages 19, 20 & 21 from the Structure of Crystals, vol. 3 by Wyckoff R W G. published by Interscience Publishers, Inc. in 1951 ; _audit_update_record 'created by Girish Upreti, Portland State University' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 5.16 _cell_length_b 5.16 _cell_length_c 10.91 _cell_volume 290.485 _[local]_cod_cif_authors_sg_H-M 'I 41/a' _[local]_cod_chemical_formula_sum_orig 'Y Nb O4' _cod_database_code 5910190 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y+1/4,x+3/4,z+3/4 y+1/4,-x+1/4,z+1/4 -x,-y+1/2,z -x,-y,-z y+3/4,-x+1/4,-z+1/4 -y+3/4,x+3/4,-z+3/4 x,y+1/2,-z x+1/2,y+1/2,z+1/2 -y+3/4,x+1/4,z+1/4 y+3/4,-x+3/4,z+3/4 -x+1/2,-y,z+1/2 -x+1/2,-y+1/2,-z+1/2 y+1/4,-x+3/4,-z+3/4 -y+1/4,x+1/4,-z+1/4 x+1/2,y,-z+1/2 loop_ _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_label 0.00000 0.00000 0.50000 Y1 0.50000 0.00000 0.25000 Y2 0.00000 0.00000 0.00000 Nb1 0.00000 0.50000 0.25000 Nb2 0.25000 0.15000 0.07500 O1 -0.25000 -0.15000 0.07500 O2 0.25000 0.65000 0.17500 O3 -0.25000 0.35000 0.17500 O4 -0.15000 0.25000 -0.07500 O5 0.15000 -0.25000 -0.07500 O6 -0.15000 0.75000 0.32500 O7 0.15000 0.25000 0.32500 O8