data_global _chemical_name_mineral 'Parahopeite' loop_ _publ_author_name 'Chao G Y' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 130 _journal_year 1969 _journal_page_first 261 _journal_page_last 266 _publ_section_title ; Refinement of the crystal structure of parahopeite ; _database_code_amcsd 0010701 _chemical_compound_source 'not given' _chemical_formula_sum 'Zn3 P2 O12 H8' _cell_length_a 5.768 _cell_length_b 7.550 _cell_length_c 5.276 _cell_angle_alpha 93.417 _cell_angle_beta 91.183 _cell_angle_gamma 91.367 _cell_volume 229.232 _exptl_crystal_density_diffrn 3.319 _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 Zn1 0.00000 0.00000 0.00000 0.00776 Zn2 0.25180 0.59840 0.81660 0.00635 P 0.24970 0.36210 0.29550 0.00420 O1 0.46750 0.25920 0.22730 0.00636 O2 0.23290 0.39080 0.58630 0.01006 O3 0.02870 0.25220 0.19660 0.00523 O4 0.25050 0.54220 0.17080 0.00859 Wat1 0.22970 0.89130 0.26060 0.01382 Wat2 0.26550 0.05860 0.74770 0.01264