data_global _chemical_name_mineral 'Alluaudite' loop_ _publ_author_name 'Antenucci D' 'Fransolet A M' 'Miehe G' 'Tarte P' _journal_name_full 'European Journal of Mineralogy' _journal_volume 7 _journal_year 1995 _journal_page_first 175 _journal_page_last 181 _publ_section_title ; Synthese et cristallochimie de NaCaCdMg2(PO4)3, Phosphate nouveau a structure alluaudite sans cation trivalent Note: P2 y-coordinate changed to reproduce bond lengths ; _database_code_amcsd 0006583 _chemical_formula_sum 'Na1.074 Cd.946 Ca.98 Mg2 P3 O12' _cell_length_a 12.005 _cell_length_b 12.675 _cell_length_c 6.546 _cell_angle_alpha 90 _cell_angle_beta 114.55 _cell_angle_gamma 90 _cell_volume 906.017 _exptl_crystal_density_diffrn 3.694 _symmetry_space_group_name_H-M 'C 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' '1/2-x,1/2-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 NaX1 0.50000 0.00000 0.00000 0.47400 0.03546 CdX1 0.50000 0.00000 0.00000 0.52600 0.03546 NaX2 0.00000 -0.03050 0.25000 0.60000 0.02660 CaX2 0.00000 -0.03050 0.25000 0.40000 0.02660 CdM1 0.00000 0.26490 0.25000 0.42000 0.02153 CaM1 0.00000 0.26490 0.25000 0.58000 0.02153 MgM2 0.27640 0.65800 0.36300 1.00000 0.01646 P1 0.00000 -0.28060 0.25000 1.00000 0.02913 P2 0.23350 -0.10360 0.12960 1.00000 0.01267 O1 0.45260 0.71000 0.54200 1.00000 0.02406 O2 0.09500 0.64540 0.22500 1.00000 0.02406 O3 0.32900 0.66190 0.09800 1.00000 0.02406 O4 0.12700 0.41230 0.32100 1.00000 0.02406 O5 0.22900 0.83000 0.31700 1.00000 0.02406 O6 0.33300 0.49900 0.39100 1.00000 0.02406