data_global _chemical_name_mineral 'Scholzite' loop_ _publ_author_name 'Taxer K J' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 198 _journal_year 1992 _journal_page_first 239 _journal_page_last 253 _publ_section_title ; Order-disorder and polymorphism of the compound with the composition of scholzite, CaZn2[PO4]2*2H2O Note: hypothetical idealized structure Note: x(O2) corrected ; _database_code_amcsd 0011011 _chemical_formula_sum 'Ca Zn2 P2 O10 H4' _cell_length_a 17.149 _cell_length_b 7.412 _cell_length_c 6.667 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 847.432 _exptl_crystal_density_diffrn 3.110 _symmetry_space_group_name_H-M 'P b c n' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,z' '1/2+x,1/2-y,-z' '1/2+x,1/2+y,1/2-z' '1/2-x,1/2-y,1/2+z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Ca 0.00000 0.37500 0.25000 Zn 0.27270 0.50000 0.18750 P 0.35000 0.18750 0.43750 O1 0.43750 0.05000 0.43750 O2 0.27270 0.05000 0.43750 O3 0.15000 0.20000 0.12500 Wat4 0.05000 0.15000 0.43750 O5 0.35000 0.30000 0.25000