data_global _chemical_name_mineral 'Calcioburbankite' loop_ _publ_author_name 'Ginderow D' _journal_name_full 'Acta Crystallographica, Section C' _journal_volume 45 _journal_year 1989 _journal_page_first 185 _journal_page_last 187 _publ_section_title ; Structure de Na3M3(CO3)5 (M = Terre Rare, Ca Na Sr), rattache a la burbankite ; _database_code_amcsd 0010074 _chemical_compound_source 'Nlende, Kribi, Cameroon' _chemical_formula_sum 'Na3.4 Ce1.2 Ca1.16 Sr.24 C5 O15' _cell_length_a 10.412 _cell_length_b 10.414 _cell_length_c 6.291 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 119.80 _cell_volume 591.935 _exptl_crystal_density_diffrn 3.444 _symmetry_space_group_name_H-M 'P 1 1 21' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-y,1/2+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 Na1 -0.52320 -0.04640 -0.30940 1.00000 0.01900 Na2 -0.52260 0.52340 -0.31050 1.00000 0.01900 Na3 -0.95370 0.52300 -0.30960 1.00000 0.02026 CeM1 -0.84130 0.84130 0.00000 1.00000 0.01305 CaM2 -0.31850 0.84050 0.00290 0.58000 0.01343 NaM2 -0.31850 0.84050 0.00290 0.20000 0.01343 SrM2 -0.31850 0.84050 0.00290 0.12000 0.01343 CeM2 -0.31850 0.84050 0.00290 0.10000 0.01343 CaM3 -0.84040 -0.68160 0.00080 0.58000 0.01368 NaM3 -0.84040 -0.68160 0.00080 0.20000 0.01368 SrM3 -0.84040 -0.68160 0.00080 0.12000 0.01368 CeM3 -0.84040 -0.68160 0.00080 0.10000 0.01368 C1 0.00000 0.00030 -0.33340 1.00000 0.01393 C2 -0.66840 -0.33410 0.02580 1.00000 0.01520 C3 -0.60590 0.19580 -0.03350 1.00000 0.01393 C4 -0.19960 -0.39390 -0.03420 1.00000 0.00887 C5 -0.19850 0.19510 -0.03530 1.00000 0.01140 O1 0.06860 -0.07260 -0.33290 1.00000 0.02913 O2 0.06600 -0.86030 -0.33930 1.00000 0.03040 O3 -0.14020 -0.07080 -0.34130 1.00000 0.03293 O4 -0.59770 0.59540 0.02630 1.00000 0.02406 O5 -0.59960 -0.19110 0.02150 1.00000 0.02406 O6 -0.80780 0.59710 0.02430 1.00000 0.02533 O7 -0.77630 0.77820 -0.34890 1.00000 0.01773 O8 -0.77480 -0.55270 -0.34800 1.00000 0.01900 O9 -0.44410 0.77800 -0.34660 1.00000 0.01900 O10 -0.63280 -0.92320 -0.13160 1.00000 0.02026 O11 0.92380 -0.71000 -0.13100 1.00000 0.02026 O12 -0.29160 -0.36960 -0.13280 1.00000 0.01900 O13 0.92380 0.63150 -0.12790 1.00000 0.01900 O14 -0.62920 -0.70890 -0.13220 1.00000 0.02026 O15 -0.29020 -0.92110 -0.12950 1.00000 0.02026