data_global _amcsd_formula_title 'GaP04*2H20' loop_ _publ_author_name 'Loiseau T' 'Paulet C' 'Ferey G' _journal_name_full 'Solid State Chemistry and Crystal Chemistry' _journal_volume 1 _journal_year 1998 _journal_page_first 667 _journal_page_last 674 _publ_section_title ; Crystal structure determination of the hydrated gallium phosphate GaPO4*2H2O, analog of variscite ; _database_code_amcsd 0015448 _chemical_formula_sum 'Ga P O6 H4' _cell_length_a 9.9260 _cell_length_b 8.6189 _cell_length_c 9.7622 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 835.168 _exptl_crystal_density_diffrn 3.193 _symmetry_space_group_name_H-M 'P b c a' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-x,1/2+y,1/2-z' '1/2-x,1/2+y,z' '1/2+x,1/2-y,-z' '1/2+x,y,1/2-z' '1/2-x,-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_U_iso_or_equiv Ga 0.13230 0.15390 0.17040 0.00900 P 0.14970 0.46820 0.35540 0.00800 O1 0.11050 0.29890 0.32330 0.01200 O2 0.04770 0.58270 0.29210 0.01200 O3 0.28880 0.50460 0.29560 0.01200 O4 0.14830 0.48600 0.51220 0.01100 OW1 0.05770 0.33360 0.05680 0.01500 OW2 0.30880 0.23290 0.11140 0.01300 H11 0.06440 0.30810 -0.03940 0.06400 H12 -0.01250 0.35480 0.07400 0.06400 H21 0.31500 0.31730 0.08650 0.02800 H22 0.36250 0.17390 0.12280 0.10800