data_global _chemical_name_mineral 'Metaswitzerite' loop_ _publ_author_name 'Fanfani L' 'Zanazzi P F' _journal_name_full 'Tschermaks Mineralogische und Petrographische Mitteilungen' _journal_volume 26 _journal_year 1979 _journal_page_first 255 _journal_page_last 269 _publ_section_title ; Switzerite: its chemical formula and crystal structure Note: could not reproduce Wat18 bond lengths Note: IMA official name of this phase changed from switzerite ; _database_code_amcsd 0015677 _chemical_compound_source 'North Carolina' _chemical_formula_sum 'Mn2 Fe.875 P2 O12 H8' _cell_length_a 8.496 _cell_length_b 13.173 _cell_length_c 17.214 _cell_angle_alpha 90 _cell_angle_beta 96.65 _cell_angle_gamma 90 _cell_volume 1913.592 _exptl_crystal_density_diffrn 2.921 _symmetry_space_group_name_H-M 'P 1 21/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-x,1/2+y,1/2-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_U_iso_or_equiv MnMe1 0.21060 0.15480 0.76330 1.00000 0.01279 MnMe2 0.18350 0.65550 0.73100 1.00000 0.01127 MnMe3 0.28420 0.91980 0.73550 1.00000 0.01343 MnMe4 0.68630 0.92100 0.74510 1.00000 0.01165 FeMe5 0.10860 0.83290 0.01870 0.90000 0.01558 FeMe6 0.37240 0.08640 0.46060 0.85000 0.01406 P1 0.04710 0.32890 0.86520 1.00000 0.01140 P2 0.97640 0.01250 0.13550 1.00000 0.00988 P3 0.54130 0.24960 0.86390 1.00000 0.01127 P4 0.51320 0.59860 0.85310 1.00000 0.01153 O1 0.04210 0.20910 0.44880 1.00000 0.02343 O2 0.21000 0.12040 0.35850 1.00000 0.01672 O3 0.08160 0.59070 0.15620 1.00000 0.01925 O4 0.02960 0.26210 0.30620 1.00000 0.01532 O5 0.03440 0.43880 0.43290 1.00000 0.02039 O6 0.13320 -0.00530 0.18680 1.00000 0.01786 O7 0.03040 0.62510 0.39290 1.00000 0.01735 O8 0.16200 0.49040 0.31480 1.00000 0.01444 O9 0.42400 0.33250 0.33390 1.00000 0.01912 O10 0.52500 0.15730 0.30840 1.00000 0.01570 O11 0.28860 0.79210 0.13240 1.00000 0.01735 O12 0.50720 0.21500 0.44660 1.00000 0.02001 O13 0.47960 0.28720 0.13050 1.00000 0.01343 O14 0.36550 0.92960 0.29500 1.00000 0.01305 O15 0.50050 0.95930 0.42850 1.00000 0.01672 O16 0.33260 0.43510 0.18200 1.00000 0.01229 Wat17 0.23330 0.21170 0.18340 1.00000 0.01684 Wat18 -0.02150 0.39180 0.18360 1.00000 0.01862 Wat19 0.25150 0.71390 0.30880 1.00000 0.01330 Wat20 0.48880 0.03490 0.16740 1.00000 0.02318 Wat21 0.20610 0.81480 0.46440 1.00000 0.03483 Wat22 0.17240 0.46460 0.02090 1.00000 0.05826 Wat23 0.33150 -0.41010 0.48960 1.00000 0.09752 Wat24 0.32360 0.11900 0.01480 1.00000 0.06523 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 MnMe1 0.00577 0.00615 0.02814 0.00056 0.00585 0.00000 MnMe2 0.00433 0.00527 0.02370 0.00056 0.00146 0.00114 MnMe3 0.00541 0.00703 0.02814 0.00056 0.00439 0.00114 MnMe4 0.00433 0.00615 0.02518 0.00000 0.00146 0.00000 FeMe5 0.01623 0.00879 0.02370 0.00282 0.00804 0.00114 FeMe6 0.00938 0.01143 0.02222 0.00056 -0.00073 0.00114 P1 0.00577 0.00703 0.02222 0.00113 0.00146 -0.00114 P2 0.00433 0.00527 0.02073 -0.00113 0.00146 0.00114 P3 0.00577 0.00703 0.02073 0.00169 0.00292 0.00114 P4 0.00505 0.00967 0.01925 -0.00169 0.00073 -0.00114 O1 0.02417 0.01494 0.03110 0.00563 0.00365 -0.00228 O2 0.00830 0.02461 0.01777 0.00732 0.00365 0.00342 O3 0.01118 0.01143 0.03406 0.00507 -0.00439 -0.00342 O4 0.00325 0.01407 0.02962 0.00619 0.00658 0.00799 O5 0.02742 0.01231 0.02370 0.00056 0.01316 0.00000 O6 0.00433 0.01934 0.02962 0.00338 -0.00292 0.00571 O7 0.01227 0.01582 0.02518 -0.00225 0.00219 0.00000 O8 0.00758 0.00615 0.03110 -0.00169 0.00731 -0.00342 O9 0.01335 0.01407 0.02962 -0.00056 0.00073 0.00799 O10 0.01046 0.01494 0.02222 0.00000 0.00073 -0.00685 O11 0.00505 0.01582 0.03110 0.00169 0.00292 -0.00114 O12 0.01515 0.02022 0.02518 -0.00451 0.00439 0.00456 O13 0.00541 0.00703 0.02814 -0.00394 0.00585 -0.00456 O14 0.00685 0.00791 0.02518 -0.00225 0.00365 0.00228 O15 0.01010 0.01055 0.03110 0.00000 0.00877 -0.00342 O16 0.00289 0.00879 0.02518 0.00169 0.00073 -0.00228 Wat17 0.01840 0.00879 0.02370 0.00507 0.00219 0.00228 Wat18 0.00866 0.01934 0.02962 0.00282 0.00512 0.00571 Wat19 0.00613 0.01494 0.01925 -0.00169 0.00439 -0.00228 Wat20 0.01984 0.01758 0.03258 0.00338 0.00585 0.01027 Wat21 0.01696 0.04308 0.04443 0.00056 0.00365 0.01141 Wat22 0.01443 0.12923 0.03406 -0.01408 0.01023 -0.02967 Wat23 0.05339 0.09846 0.13478 0.05125 -0.02412 -0.06048 Wat24 0.05989 0.07560 0.06220 -0.03154 0.01243 0.00114