data_9004618 _chemical_name 'Mitryaevaite' loop_ _publ_author_name 'Cahill C L' 'Krivovichev S V' 'Burns P C' 'Bekenova G K' 'Shabanova T A' _journal_name_full "The Canadian Mineralogist" _journal_volume 39 _journal_year 2001 _journal_page_first 179 _journal_page_last 186 _publ_section_title ; The crystal structure of mitryaevaite, Al5(PO4)2[(P,S)O3(OH,O)]2F2(OH)2(H2O)8*6 determined from a microcrystal using synchrotron radiation ; _chemical_formula_sum 'Al5 P4 O32.48 F2 H40' _cell_length_a 6.918 _cell_length_b 10.127 _cell_length_c 10.296 _cell_angle_alpha 77.036 _cell_angle_beta 73.989 _cell_angle_gamma 76.272 _cell_volume 663.714 _symmetry_space_group_name_H-M 'P -1' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_Uiso_or_equiv Al1 0.02180 0.38400 0.21420 1.00000 ? Al2 0.00000 0.00000 0.00000 1.00000 ? Al3 0.49820 0.80200 -0.07380 1.00000 ? P1 0.12430 0.05730 0.25640 1.00000 ? P2 0.10690 0.67040 0.04000 1.00000 ? O1 -0.00340 0.19990 0.27990 1.00000 ? O2 0.34540 0.06640 0.17840 1.00000 ? O3 0.02580 -0.01500 0.18170 1.00000 ? O-H4 0.13160 -0.03370 0.39880 1.00000 ? O5 -0.12340 0.39400 0.08440 1.00000 ? O6 0.02380 0.57490 0.17230 1.00000 ? O7 -0.03470 0.81310 0.03910 1.00000 ? O8 0.32500 0.68430 0.03870 1.00000 ? O-H9 0.27930 0.34200 0.09480 1.00000 ? F 0.27800 0.94660 -0.05730 1.00000 ? Wat10 0.55520 0.82350 0.09320 1.00000 ? Wat11 -0.23580 0.43120 0.34620 1.00000 ? Wat12 0.16150 0.37540 0.36040 1.00000 ? Wat13 0.42660 0.78550 -0.23990 1.00000 ? Wat14 0.14490 0.25320 0.62580 1.00000 ? Wat15 -0.59170 0.56450 0.29070 1.00000 ? Wat16 0.42100 -0.25210 0.44780 1.00000 ? Wat17 0.50000 0.00000 0.50000 0.48000 ? H1 -0.59200 0.63400 0.32100 1.00000 0.00170 H2 0.48200 0.89300 0.13500 1.00000 0.00350 H3 0.14200 0.31900 0.68500 1.00000 0.00210