#------------------------------------------------------------------------------ #$Date: 2010-06-10 18:11:07 +0300 (Thu, 10 Jun 2010) $ #$Revision: 1210 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9009292.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_9009292 loop_ _publ_author_name 'Knobloch, D.' 'Pertlik, F.' 'Zemann, J.' _publ_section_title ; Crystal structure refinements of buetschliite and eitelite: a contribution to the stereochemistry of trigonal carbonate minerals Note: synthetic ; _journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte' _journal_page_first 230 _journal_page_last 236 _journal_volume 1980 _journal_year 1980 _chemical_formula_sum 'C2 Ca K2 O6' _chemical_name_mineral Butschliite _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 5.387 _cell_length_b 5.387 _cell_length_c 18.16 _cell_volume 456.395 _exptl_crystal_density_diffrn 2.601 _[local]_cod_cif_authors_sg_H-M 'R -3 m' _[local]_cod_chemical_formula_sum_orig 'K2 Ca C2 O6' _cod_database_code 9009292 _amcsd_database_code AMCSD#0011849 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_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 K 0.01378 0.01378 0.02673 0.00689 0.00000 0.00000 Ca 0.01136 0.01136 0.01169 0.00568 0.00000 0.00000 C 0.01908 0.01908 0.00167 0.00954 0.00000 0.00000 O 0.01610 0.01610 0.03174 0.01081 -0.00043 0.00043 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z K 0.00000 0.00000 0.20909 Ca 0.00000 0.00000 0.00000 C 0.00000 0.00000 0.58945 O 0.13763 -0.13763 0.58736