data_global _chemical_name_mineral 'Rinkite' loop_ _publ_author_name 'Camara F' 'Sokolova E' 'Hawthorne F C' _journal_name_full 'Mineralogical Magazine' _journal_volume 75 _journal_year 2011 _journal_page_first 2755 _journal_page_last 2774 _publ_section_title ; From structure topology to chemical composition. XII. Titanium silicates: the crystal chemistry of rinkite, Na2Ca4REETi(Si2O7)2OF3 Note: sample 1991c ; _database_code_amcsd 0018562 _chemical_compound_source 'Kangerdluarssuk, Ilimaussaq, Greenland' _chemical_formula_sum 'Ca3.48 Sm.04 Nd.24 Pr.06 Ce.5 La.18 Y.1 (Ti.64 Nb.33 Zr.03) Na2.28 Si4 O15.4 F2.6' _cell_length_a 7.4328 _cell_length_b 5.6595 _cell_length_c 18.8181 _cell_angle_alpha 90 _cell_angle_beta 101.353 _cell_angle_gamma 90 _cell_volume 776.112 _exptl_crystal_density_diffrn 3.496 _symmetry_space_group_name_H-M 'P 1 21/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv CaMH 0.09387 0.65970 0.19180 0.70000 0.01475 SmMH 0.09387 0.65970 0.19180 0.01000 0.01475 NdMH 0.09387 0.65970 0.19180 0.07000 0.01475 PrMH 0.09387 0.65970 0.19180 0.02000 0.01475 CeMH 0.09387 0.65970 0.19180 0.14000 0.01475 LaMH 0.09387 0.65970 0.19180 0.05000 0.01475 YMH 0.09387 0.65970 0.19180 0.03000 0.01475 CaAP 0.59679 0.66290 0.19029 0.76000 0.01572 SmAP 0.59679 0.66290 0.19029 0.01000 0.01572 NdAP 0.59679 0.66290 0.19029 0.05000 0.01572 PrAP 0.59679 0.66290 0.19029 0.01000 0.01572 CeAP 0.59679 0.66290 0.19029 0.11000 0.01572 LaAP 0.59679 0.66290 0.19029 0.04000 0.01572 YAP 0.59679 0.66290 0.19029 0.02000 0.01572 TiMO(1) 0.00000 0.00000 0.00000 0.64000 0.02410 NbMO(1) 0.00000 0.00000 0.00000 0.33000 0.02410 ZrMO(1) 0.00000 0.00000 0.00000 0.03000 0.02410 NaMO(2) 0.50000 0.00000 0.00000 1.00000 0.02070 NaMO(3) 0.75082 0.50105 0.00059 0.64000 0.03300 CaMO(3) 0.75082 0.50105 0.00059 0.28000 0.03300 Si(1) 0.35095 0.15441 0.14023 1.00000 0.01340 Si(2) 0.78379 0.15361 0.13782 1.00000 0.01330 O(1) 0.21620 0.15060 0.06154 1.00000 0.02410 O(2) 0.83230 0.14140 0.05804 1.00000 0.02360 O(3) 0.33840 0.39540 0.18501 1.00000 0.02170 O(4) 0.84370 0.39660 0.18042 1.00000 0.02460 O(5) 0.33520 0.92990 0.19112 1.00000 0.01950 O(6) 0.85380 0.93190 0.18976 1.00000 0.01930 O(7) 0.55750 0.14120 0.12067 1.00000 0.03050 OXOM 0.03140 0.70290 0.06158 0.70000 0.02700 FXOM 0.03140 0.70290 0.06158 0.30000 0.02700 FXOA 0.53120 0.65720 0.06383 1.00000 0.03250