data_9009307 _chemical_name 'Chabazite-Na' loop_ _publ_author_name 'Mazzi F' 'Galli E' _journal_name_full "Neues Jahrbuch fur Mineralogie, Monatshefte" _journal_volume 1983 _journal_year 1983 _journal_page_first 461 _journal_page_last 480 _publ_section_title ; The tetrahedral framework of chabazite Locality: Richmond, Melbourne, Victoria, Australia Note: Occupancies invented to match formula and refinement Sample: C 4a, trigonal refinement ; _chemical_formula_sum 'Na.84 Ca.581 K.269 (Si7.944 Al4.056) O24' _cell_length_a 9.4376 _cell_length_b 9.4376 _cell_length_c 9.4376 _cell_angle_alpha 94.137 _cell_angle_beta 94.137 _cell_angle_gamma 94.137 _cell_volume 833.685 _symmetry_space_group_name_H-M 'R -3 m' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-z,-y' '-z,-x,-y' 'y,x,z' 'y,z,x' '-z,-y,-x' '-x,-y,-z' 'x,z,y' 'z,x,y' '-y,-x,-z' '-y,-z,-x' 'z,y,x' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_Uiso_or_equiv NaX1 0.20890 0.20890 0.20890 0.15000 0.04939 CaX1 0.20890 0.20890 0.20890 0.11000 0.04939 KX1 0.20890 0.20890 0.20890 0.04000 0.04939 NaX2 0.57670 0.57670 0.21320 0.01500 0.05193 CaX2 0.57670 0.57670 0.21320 0.01100 0.05193 KX2 0.57670 0.57670 0.21320 0.01400 0.05193 NaX3 0.40300 0.40300 0.40300 0.12000 0.10005 CaX3 0.40300 0.40300 0.40300 0.08000 0.10005 KX3 0.40300 0.40300 0.40300 0.03000 0.10005 NaX4 0.50000 0.50000 0.00000 0.07000 0.12792 CaX4 0.50000 0.50000 0.00000 0.04500 0.12792 KX4 0.50000 0.50000 0.00000 0.01500 0.12792 Si 0.10338 0.33257 -0.12461 0.66200 0.01203 Al 0.10338 0.33257 -0.12461 0.33800 0.01203 O1 0.26500 -0.26500 0.00000 1.00000 0.03420 O2 0.15040 -0.15040 0.50000 1.00000 0.02913 O3 0.25220 0.25220 -0.10820 1.00000 0.03166 O4 0.02320 0.02320 0.31720 1.00000 0.03166