data_global _chemical_name_mineral 'Viitaniemiite' loop_ _publ_author_name 'Pajunen A' 'Lahti S I' _journal_name_full 'American Mineralogist' _journal_volume 69 _journal_year 1984 _journal_page_first 961 _journal_page_last 966 _publ_section_title ; The crystal structure of viitaniemiite ; _database_code_amcsd 0000961 _chemical_compound_source 'Viitaniemi pegmatite, Orivesi, southern Finland' _chemical_formula_sum 'Ca.592 Mn.401 Al Na P F2 O5 H' _cell_length_a 5.457 _cell_length_b 7.151 _cell_length_c 6.836 _cell_angle_alpha 90 _cell_angle_beta 109.36 _cell_angle_gamma 90 _cell_volume 251.677 _exptl_crystal_density_diffrn 3.242 _symmetry_space_group_name_H-M 'P 1 21/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Ca 0.50000 0.00000 0.50000 0.59200 Mn 0.50000 0.00000 0.50000 0.40100 Al 0.00000 0.00000 0.00000 1.00000 Na 0.46750 0.25000 -0.04630 1.00000 P -0.03660 0.25000 0.36830 1.00000 F 0.34680 0.00300 0.15470 1.00000 O1 0.24560 0.25000 0.51600 1.00000 O2 -0.23360 0.25000 0.48600 1.00000 O3 -0.08500 0.07550 0.23000 1.00000 O4 0.02390 0.25000 -0.08150 1.00000 H -0.00500 0.25000 -0.20100 1.00000 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Ca 0.01720 0.00990 0.00940 -0.00110 0.00480 -0.00090 Mn 0.01720 0.00990 0.00940 -0.00110 0.00480 -0.00090 Al 0.01250 0.00760 0.00680 -0.00060 0.00290 -0.00030 Na 0.02750 0.02350 0.03870 0.00000 0.02980 0.00000 P 0.01170 0.01020 0.00660 0.00000 0.00410 0.00000 F 0.01370 0.01600 0.01540 -0.00010 0.00080 0.00310 O1 0.01330 0.03700 0.01360 0.00000 0.00460 0.00000 O2 0.01510 0.01880 0.00800 0.00000 0.00670 0.00000 O3 0.04010 0.00830 0.01680 -0.00460 0.01940 -0.00100 O4 0.01910 0.00760 0.00630 0.00000 0.00520 0.00000