data_global _chemical_name_mineral 'Paravauxite' loop_ _publ_author_name 'Baur W H' _journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte' _journal_volume 1969 _journal_year 1969 _journal_page_first 430 _journal_page_last 433 _publ_section_title ; The crystal structure of paravauxite, Fe2+Al2(PO4)2(OH)2(OH2)6*2H2O ; _database_code_amcsd 0014737 _chemical_formula_sum 'Fe Al2 P2 O18 H18' _cell_length_a 5.233 _cell_length_b 10.541 _cell_length_c 6.962 _cell_angle_alpha 106.9 _cell_angle_beta 110.8 _cell_angle_gamma 72.1 _cell_volume 334.434 _exptl_crystal_density_diffrn 2.373 _symmetry_space_group_name_H-M 'P -1' loop_ _space_group_symop_operation_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_U_iso_or_equiv Fe 0.00000 0.00000 0.00000 0.01393 Al1 0.00000 0.50000 0.00000 0.00760 Al2 0.00000 0.50000 0.50000 0.00760 P 0.34310 0.66650 0.92240 0.00760 Op1 0.16390 0.64810 0.04200 0.01013 Op2 0.29350 0.57590 0.70020 0.01140 Op3 0.26910 0.81670 0.90690 0.01520 Op4 0.34050 0.37200 0.95670 0.01013 O-h5 0.13980 0.50340 0.29120 0.01140 Ow6 0.23330 0.31890 0.54370 0.01393 Ow7 0.24740 0.01240 0.31950 0.02786 Ow8 0.22250 0.10850 0.92830 0.02913 Ow9 0.26400 0.80720 0.50500 0.02660 H1 0.31000 0.50000 0.30000 0.03800 H2 0.27000 0.30000 0.68000 0.03800 H3 0.41000 0.30000 0.52000 0.03800 H4 0.25000 0.08000 0.39000 0.03800 H5 0.25000 0.93000 0.37000 0.03800 H6 0.17000 0.16000 0.95000 0.03800 H7 0.36000 0.14000 0.03000 0.03800 H8 0.30000 0.75000 0.64000 0.03800 H9 0.16000 0.74000 0.46000 0.03800