data_9008294 _chemical_name 'Cattiite' loop_ _publ_author_name 'Catti M' 'Franchini-Angela M' 'Ivaldi G' _journal_name_full "Zeitschrift fur Kristallographie" _journal_volume 155 _journal_year 1981 _journal_page_first 53 _journal_page_last 64 _publ_section_title ; A case of polytypism in hydrated oxysalts: the crystal structure of Mg3(PO4)2*22H2O-II Locality: synthetic ; _chemical_formula_sum 'Mg3 P2 O30 H44' _cell_length_a 6.937 _cell_length_b 6.932 _cell_length_c 16.132 _cell_angle_alpha 82.15 _cell_angle_beta 89.72 _cell_angle_gamma 119.49 _cell_volume 666.568 _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 Mg1 0.00000 0.50000 0.00000 Mg2 0.64830 0.25100 0.34371 P 0.00310 0.96320 0.24028 O1 0.97390 0.92930 0.33690 O2 0.14700 0.21650 0.20770 O3 0.11730 0.83720 0.21370 O4 0.77370 0.87350 0.20560 Ow1 0.77650 0.31620 0.10550 Ow2 0.17030 0.77710 0.05820 Ow3 0.20450 0.38620 0.04720 Ow4 0.74730 0.06840 0.42540 Ow5 0.76130 0.50820 0.41160 Ow6 0.96860 0.41240 0.28550 Ow7 0.57210 0.41650 0.24040 Ow8 0.34080 0.14840 0.40780 Ow9 0.50200 0.96720 0.28550 Ow10 0.64500 0.81680 0.04880 Ow11 0.27860 0.52800 0.41500 H1 0.72200 0.35100 0.13400 H2 0.75600 0.19500 0.13000 H3 0.13000 0.79000 0.10700 H4 0.23700 0.89500 0.03300 H5 0.19000 0.32800 0.09800 H6 0.24900 0.32400 0.02200 H7 0.82000 0.01800 0.40200 H8 0.71700 0.02100 0.47000 H9 0.85000 0.65500 0.38800 H10 0.76200 0.50400 0.45900 H11 0.00000 0.52400 0.26400 H12 0.03800 0.35200 0.25700 H13 0.43200 0.35600 0.23200 H14 0.62900 0.55200 0.23700 H15 0.20700 0.05900 0.38400 H16 0.33200 0.26000 0.41200 H17 0.58800 0.93300 0.25600 H18 0.38400 0.93200 0.25900 H19 0.51900 0.74700 0.05500 H20 0.69200 0.84300 0.09500 H21 0.36100 0.65500 0.39300 H22 0.17400 0.48900 0.39000