data_global _chemical_name_mineral 'Bario-olgite' loop_ _publ_author_name 'Pekov I V' 'Chukanov N V' 'Kulikova I M' 'Zubkova N V' 'Krotova O D' 'Sorokina N I' 'Pushcharovsky D Y' _journal_name_full 'Zapiski Vserossijskogo Mineralogicheskogo Obshchestva' _journal_volume 133 _journal_year 2004 _journal_page_first 41 _journal_page_last 49 _publ_section_title ; New mineral bario-olgite, Ba(Na,Sr,REE)2Na[PO4]2 and its crystal structure ; _database_code_amcsd 0015713 _chemical_formula_sum '(Ba.94 K.06) Na2.12 Ce.18 Sr.66 Ca.04 P2 O8' _cell_length_a 5.541 _cell_length_b 5.541 _cell_length_c 7.020 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 186.657 _exptl_crystal_density_diffrn 4.046 _symmetry_space_group_name_H-M 'P 3' loop_ _space_group_symop_operation_xyz 'x,y,z' '-y,x-y,z' '-x+y,-x,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 BaM1 0.00000 0.00000 0.00000 0.94000 0.04390 KM1 0.00000 0.00000 0.00000 0.06000 0.04390 NaM2 0.66667 0.33333 0.33500 0.50000 0.03480 CeM2 0.66667 0.33333 0.33500 0.18000 0.03480 SrM2 0.66667 0.33333 0.33500 0.28000 0.03480 CaM2 0.66667 0.33333 0.33500 0.04000 0.03480 NaM3 0.33333 0.66667 0.66400 0.62000 0.00670 SrM3 0.33333 0.66667 0.66400 0.38000 0.00670 NaM4 0.00000 0.00000 0.50500 1.00000 0.01420 P1 0.33333 0.66667 0.22500 1.00000 0.01050 P2 0.66667 0.33333 0.79200 1.00000 0.02600 O1 0.79500 0.18200 0.70200 1.00000 0.04600 O2 0.17000 0.82100 0.29400 1.00000 0.05100 O3 0.33333 0.66667 0.00000 1.00000 0.03500 O4 0.66667 0.33333 -0.00800 1.00000 0.03900