#------------------------------------------------------------------------------ #$Date: 2012-02-28 17:44:07 +0200 (Tue, 28 Feb 2012) $ #$Revision: 35913 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/95/9009543.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_9009543 loop_ _publ_author_name 'Pudovkina, Z. V.' 'Chernitsova, N. M.' 'Voronkov, A. A.' 'Pyatenko Yu, A.' _publ_section_title ; Crystal structure of zirsinalite Na6Ca{Zr(Si6O18)} Locality: Koashva Mountain, Khibiny Massif, Kola Peninsula, Russia ; _journal_name_full 'Doklady Akademii Nauk SSSR' _journal_page_first 865 _journal_page_last 867 _journal_volume 250 _journal_year 1980 _chemical_formula_sum 'Ca Na6 O18 Si6 Zr' _chemical_name_mineral Zirsinalite _space_group_IT_number 167 _symmetry_space_group_name_Hall '-P 3* 2n' _symmetry_space_group_name_H-M 'R -3 c :R' _cell_angle_alpha 58.13 _cell_angle_beta 58.13 _cell_angle_gamma 58.13 _cell_length_a 10.593 _cell_length_b 10.593 _cell_length_c 10.593 _cell_volume 804.479 _exptl_crystal_density_diffrn 2.996 _[local]_cod_cif_authors_sg_H-M 'R -3 c' _[local]_cod_chemical_formula_sum_orig 'Na6 Ca Zr Si6 O18' _cod_database_code 9009543 _amcsd_database_code AMCSD#0012308 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2-x,1/2-z,1/2-y -z,-x,-y 1/2+y,1/2+x,1/2+z y,z,x 1/2-z,1/2-y,1/2-x -x,-y,-z 1/2+x,1/2+z,1/2+y z,x,y 1/2-y,1/2-x,1/2-z -y,-z,-x 1/2+z,1/2+y,1/2+x 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 Na1 0.50000 0.00000 0.00000 1.00000 0.01545 Na2 0.74300 0.75700 0.25000 1.00000 0.01456 Ca 0.37670 0.37670 0.37670 0.50000 0.01469 Zr 0.00000 0.00000 0.00000 1.00000 0.01178 Si 0.13070 0.13460 0.58530 1.00000 0.01178 O1 0.25500 0.29600 0.93800 1.00000 0.01659 O2 0.95000 0.23400 0.96800 1.00000 0.01684 O3 0.01300 0.48700 0.25000 1.00000 0.04192 O4 0.51800 0.98200 0.25000 1.00000 0.01570