data_9000941 _chemical_name 'Gadolinite-(Y)' loop_ _publ_author_name 'Miyawaki R' 'Nakai I' 'Nagashima K' _journal_name_full "American Mineralogist" _journal_volume 69 _journal_year 1984 _journal_page_first 948 _journal_page_last 953 _publ_section_title ; A refinement of the crystal structure of gadolinite ; _chemical_formula_sum 'Y1.3 Nd.14 Dy.112 Sm.084 Gd.084 Ce.08 Er.042 Fe.864 Si2 B _cell_length_a 10.000 _cell_length_b 7.565 _cell_length_c 4.768 _cell_angle_alpha 90 _cell_angle_beta 90.31 _cell_angle_gamma 90 _cell_volume 360.694 _symmetry_space_group_name_H-M 'P 1 21/a 1' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2-y,z' '1/2-x,1/2+y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Y 0.32854 0.10828 0.00013 0.65000 Nd 0.32854 0.10828 0.00013 0.07000 Dy 0.32854 0.10828 0.00013 0.05600 Sm 0.32854 0.10828 0.00013 0.04200 Gd 0.32854 0.10828 0.00013 0.04200 Ce 0.32854 0.10828 0.00013 0.04000 Er 0.32854 0.10828 0.00013 0.02100 Fe 0.00000 0.00000 0.00000 0.86400 Si 0.07822 0.27850 0.51920 1.00000 Be 0.33550 0.41430 0.46420 1.00000 O1 0.03030 0.41310 0.76070 1.00000 O2 0.45180 0.28710 0.32480 1.00000 O3 0.19540 0.34760 0.30890 1.00000 O4 0.14190 0.10650 0.68470 1.00000 O5 0.33290 0.41260 0.79790 1.00000