data_global _chemical_name_mineral 'Gordonite' loop_ _publ_author_name 'Leavens P B' 'Rheingold A L' _journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte' _journal_volume 1988 _journal_year 1988 _journal_page_first 265 _journal_page_last 270 _publ_section_title ; Crystal structures of gordonite, MgAl2(PO4)2(OH)2(H2O)6*2H2O, and its Mn analog ; _database_code_amcsd 0014827 _chemical_compound_source 'Little Green Monster mine, Fairfield, Utah, USA' _chemical_formula_sum 'Mg Al2 P2 O18 H18' _cell_length_a 5.246 _cell_length_b 10.532 _cell_length_c 6.975 _cell_angle_alpha 107.51 _cell_angle_beta 111.03 _cell_angle_gamma 72.21 _cell_volume 334.483 _exptl_crystal_density_diffrn 2.216 _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 Mg 0.00000 0.00000 0.00000 0.01400 Al1 0.00000 0.50000 0.00000 0.01000 Al2 0.00000 0.50000 0.50000 0.01200 P 0.34560 0.66800 0.92580 0.01000 Op1 0.16950 0.64760 0.04560 0.01200 Op2 0.29430 0.57630 0.70290 0.01300 Op3 0.26800 0.81850 0.91270 0.01600 Op4 0.33900 0.36990 0.95580 0.01200 O-h5 0.13980 0.50330 0.29130 0.01400 Ow6 0.22970 0.31770 0.54040 0.01600 Ow7 0.24090 0.01100 0.31460 0.02900 Ow8 0.22200 0.10830 0.94550 0.02800 Ow9 0.26610 0.80800 0.50760 0.02600 H52 0.29000 0.50000 0.32000 0.04000 H64 0.28000 0.33000 0.68000 0.04000 H69 0.36000 0.29000 0.51000 0.04000 H76 0.25000 0.09000 0.38000 0.04000 H79 0.26000 0.96000 0.38000 0.04000 H81 0.11000 0.19000 0.94000 0.04000 H83 0.38000 0.13000 -0.03000 0.04000 H93 0.29000 0.82000 0.63000 0.04000 H96 0.21000 0.76000 0.44000 0.04000 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 Mg 0.01300 0.01300 0.01400 -0.00300 0.00400 0.00200 Al1 0.01000 0.01000 0.01000 -0.00300 0.00400 0.00100 Al2 0.01300 0.01300 0.01000 -0.00500 0.00400 0.00100 P 0.01100 0.01200 0.00500 -0.00400 0.00200 0.00100 Op1 0.01600 0.01400 0.00700 -0.00600 0.00500 -0.00100 Op2 0.01400 0.01800 0.00600 -0.00700 0.00100 -0.00100 Op3 0.01700 0.01400 0.01700 -0.00300 0.00400 0.00400 Op4 0.01200 0.01600 0.00600 -0.00300 0.00100 0.00100 O-h5 0.01100 0.02200 0.01000 -0.00500 0.00300 0.00400 Ow6 0.01900 0.01900 0.00900 -0.00400 0.00400 0.00100 Ow7 0.03300 0.02900 0.02000 -0.00800 0.00000 0.00500 Ow8 0.01900 0.01800 0.05100 -0.00300 0.01500 0.01000 Ow9 0.03000 0.03200 0.01800 -0.00800 0.00800 0.00400