data_global _chemical_name_mineral 'Fransoletite' loop_ _publ_author_name 'Kampf A R' _journal_name_full 'American Mineralogist' _journal_volume 77 _journal_year 1992 _journal_page_first 848 _journal_page_last 856 _publ_section_title ; Beryllophosphate chains in the structures of fransoletite, parafransoletite, and ehrleite and some general comments on beryllophosphate linkages ; _database_code_amcsd 0001531 _chemical_formula_sum 'Ca3 Be2 P4 O20 H10' _cell_length_a 7.3482 _cell_length_b 15.0522 _cell_length_c 7.0685 _cell_angle_alpha 90 _cell_angle_beta 96.519 _cell_angle_gamma 90 _cell_volume 776.768 _exptl_crystal_density_diffrn 2.532 _symmetry_space_group_name_H-M 'P 1 21/a 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,z' '1/2-x,1/2+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 Ca1 0.63650 0.19680 0.95080 0.00975 Ca2 0.00000 0.00000 0.00000 0.01570 Be 0.63280 0.21050 0.44810 0.00760 P1 0.97410 0.15140 0.64700 0.00684 P2 0.29030 0.15200 0.23220 0.00583 O1 0.92720 0.14300 0.85060 0.01140 O-h2 0.09930 0.06900 0.61140 0.01393 O3 0.09050 0.23590 0.63860 0.01267 O4 0.80280 0.14860 0.49590 0.00633 O5 0.34510 0.17110 0.03460 0.01267 O6 0.15610 0.22840 0.26520 0.01393 O7 0.18860 0.06350 0.24360 0.01267 O8 0.45580 0.14650 0.38500 0.01013 OW1 0.52340 0.06310 0.75150 0.01393 OW2 0.73900 0.06250 0.14450 0.01520 H 0.10800 0.06300 0.48400 0.04053 H1a 0.42500 0.08800 0.71000 0.04053 H1b 0.58100 0.02300 0.75600 0.04053 H2a 0.76100 0.08600 0.24400 0.04053 H2b 0.71800 0.99700 0.12100 0.04053