#------------------------------------------------------------------------------ #$Date: 2012-02-28 17:44:07 +0200 (Tue, 28 Feb 2012) $ #$Revision: 35913 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/10/9001089.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_9001089 loop_ _publ_author_name 'Peacor D R' 'Rouse R C' 'Ahn J-H' _publ_section_title ; Crystal structure of tiptopite, a framework beryllophosphate isotypic with basic cancrinite Note: U(1,2) for OH5 has been altered to match symmetry constraints. ; _journal_name_full 'American Mineralogist' _journal_page_first 816 _journal_page_last 820 _journal_volume 72 _journal_year 1987 _chemical_formula_sum 'Be3 Ca0.36 H7.26 K Li1.44 Na0.84 O15.01 P3' _[local]_cod_chemical_formula_sum_orig 'P3 Be3 O15.01 K Li1.44 Na.84 Ca.36 H7.26' _chemical_name_mineral Tiptopite _symmetry_space_group_name_H-M 'P 63' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 11.655 _cell_length_b 11.655 _cell_length_c 4.692 _cell_volume 551.967 loop_ _symmetry_equiv_pos_as_xyz x,y,z x-y,x,1/2+z -y,x-y,z -x,-y,1/2+z -x+y,-x,z y,-x+y,1/2+z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv P 0.08510 0.41670 0.75000 1.00000 ? Be 0.33800 0.41800 0.74600 1.00000 ? O1 0.19020 0.38430 0.65180 1.00000 ? O2 0.13780 0.56470 0.70270 1.00000 ? O3 0.05470 0.38010 0.06880 1.00000 ? O4 0.33020 0.37410 0.08620 1.00000 ? K1 0.33333 0.66667 0.25300 1.00000 ? Li2 0.22070 0.11370 0.74860 0.48000 ? Na2 0.22070 0.11370 0.74860 0.28000 ? Ca2 0.22070 0.11370 0.74860 0.12000 ? O-H5 0.00000 0.00000 0.25300 1.00000 ? O-H6 0.06400 0.13000 0.37800 0.25000 0.02000 O-H7 0.06600 0.13000 0.09700 0.25000 0.02000 O-H8 0.16800 0.32200 0.23600 0.17000 0.02000 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 P 0.00900 0.01100 0.00700 0.00600 0.00700 0.00600 Be 0.00700 0.01200 0.00900 0.00300 -0.00300 -0.01700 O1 0.01600 0.01200 0.01700 0.00600 0.00300 0.00100 O2 0.01500 0.01100 0.00900 0.00500 -0.00400 -0.00800 O3 0.01800 0.02200 0.00800 0.00900 0.00600 0.00000 O4 0.01300 0.01600 0.00900 0.01000 -0.00200 -0.00400 K1 0.04400 0.04400 0.01900 0.02200 0.00000 0.00000 Li2 0.05100 0.03600 0.03600 0.02600 0.00300 -0.01000 Na2 0.05100 0.03600 0.03600 0.02600 0.00300 -0.01000 Ca2 0.05100 0.03600 0.03600 0.02600 0.00300 -0.01000 OH5 0.00900 0.00900 0.09000 0.00450 0.00000 0.00000 _cod_database_code 9001089