data_global _chemical_name_mineral 'Raite' loop_ _publ_author_name 'Pluth J J' 'Smith J V' 'Pushcharovsky D Y' 'Semenov E I' 'Bram A' 'Riekel C' 'Weber H P' 'Broach R W' _journal_name_full 'Proceedings of the National Academy of Sciences' _journal_volume 94 _journal_year 1997 _journal_page_first 12263 _journal_page_last 12267 _publ_section_title ; Third-generation synchrotron X-ray diffraction of 6-mue-m crystal of raite, ~Na3Mn3Ti0.25Si8O20(OH)2*10(H2O) opens up new chemistry and physics of low-temperature minerals Kola Peninsula, Russia ; _database_code_amcsd 0015330 _chemical_compound_source 'Yubileinaya pegmatite, Karnasurt Mountain, Lovozero massif,' _chemical_formula_sum 'Na3 Mn3 Ti.226 Si8 O32 H22' _cell_length_a 15.1 _cell_length_b 17.6 _cell_length_c 5.290 _cell_angle_alpha 90 _cell_angle_beta 100.5 _cell_angle_gamma 90 _cell_volume 1382.329 _exptl_crystal_density_diffrn 2.411 _symmetry_space_group_name_H-M 'C 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,z' '1/2+x,1/2-y,z' '-x,y,-z' '1/2-x,1/2+y,-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 Na1 0.50000 0.29970 0.00000 1.00000 0.01900 Na2 0.50000 0.00000 0.00000 1.00000 0.04000 Mn1 0.00000 0.00000 0.00000 1.00000 0.01300 Mn2 0.50000 0.40289 0.50000 1.00000 0.01700 Ti 0.50000 0.20390 0.50000 0.11300 0.02500 Si1 0.31210 0.41406 0.05690 1.00000 0.01000 Si2 0.30524 0.32828 0.54970 1.00000 0.01100 O1 0.41980 0.41330 0.11840 1.00000 0.01600 O2 0.08820 0.18160 0.40770 1.00000 0.02100 O3 0.25000 0.25000 0.50000 1.00000 0.02800 O-H4 0.06780 0.00000 0.36100 1.00000 0.02000 O5 0.27180 0.50000 0.00600 1.00000 0.01200 O6 0.22950 0.13280 0.20360 1.00000 0.01300 O7 0.26860 0.38020 0.29360 1.00000 0.01400 Wat8 0.40180 0.00000 0.30400 1.00000 0.04200 Wat9 0.07200 0.39920 0.27100 1.00000 0.05400 Wat10 0.41760 0.20960 0.20100 1.00000 0.06200