#------------------------------------------------------------------------------ #$Date: 2010-04-10 21:37:29 +0300 (Sat, 10 Apr 2010) $ #$Revision: 1071 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9005865.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9005865 loop_ _publ_author_name 'Sugiyama, K.' 'Tokonami, M.' _publ_section_title ; Structure and crystal chemistry of a dense polymorph of tricalcium phosphate Ca3(PO4)2: a host to accommodate large lithophile elements in the Earth's mantle ; _journal_name_full 'Physics and Chemistry of Minerals' _journal_page_first 125 _journal_page_last 130 _journal_volume 15 _journal_year 1987 _chemical_formula_sum 'Ca3 O8 P2' _chemical_name_mineral Ca3(PO4)2 _space_group_IT_number 166 _symmetry_space_group_name_Hall '-R 3 2"' _symmetry_space_group_name_H-M 'R -3 m :H' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 5.2487 _cell_length_b 5.2487 _cell_length_c 18.6735 _cell_volume 445.512 _exptl_crystal_density_diffrn 3.468 _[local]_cod_data_source_file cifdata.txt _[local]_cod_data_source_block 'global_6990' _[local]_cod_cif_authors_sg_H-M 'R -3 m' _[local]_cod_chemical_formula_sum_orig 'Ca3 P2 O8' _cod_database_code 9005865 loop_ _symmetry_equiv_pos_as_xyz x,y,z 2/3+x,1/3+y,1/3+z 1/3+x,2/3+y,2/3+z x,x-y,z 2/3+x,1/3+x-y,1/3+z 1/3+x,2/3+x-y,2/3+z y,x,-z 2/3+y,1/3+x,1/3-z 1/3+y,2/3+x,2/3-z -x+y,y,z 2/3-x+y,1/3+y,1/3+z 1/3-x+y,2/3+y,2/3+z -x,-x+y,-z 2/3-x,1/3-x+y,1/3-z 1/3-x,2/3-x+y,2/3-z -y,-x,z 2/3-y,1/3-x,1/3+z 1/3-y,2/3-x,2/3+z x-y,-y,-z 2/3+x-y,1/3-y,1/3-z 1/3+x-y,2/3-y,2/3-z y,-x+y,-z 2/3+y,1/3-x+y,1/3-z 1/3+y,2/3-x+y,2/3-z -x+y,-x,z 2/3-x+y,1/3-x,1/3+z 1/3-x+y,2/3-x,2/3+z -x,-y,-z 2/3-x,1/3-y,1/3-z 1/3-x,2/3-y,2/3-z -y,x-y,z 2/3-y,1/3+x-y,1/3+z 1/3-y,2/3+x-y,2/3+z x-y,x,-z 2/3+x-y,1/3+x,1/3-z 1/3+x-y,2/3+x,2/3-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Ca1 0.00000 0.00000 0.00000 0.01570 Ca2 0.00000 0.00000 0.20360 0.01317 P 0.00000 0.00000 0.40520 0.00899 O1 0.00000 0.00000 0.32350 0.01748 O2 -0.15910 0.15910 0.43270 0.01355 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 Ca1 0.01759 0.01759 0.01166 0.00879 0.00000 0.00000 Ca2 0.01361 0.01361 0.01237 0.00680 0.00000 0.00000 P 0.00785 0.00785 0.01113 0.00393 0.00000 0.00000 O1 0.02073 0.02073 0.01095 0.01036 0.00000 0.00000 O2 0.01507 0.01507 0.01714 0.01246 0.00000 0.00000