#------------------------------------------------------------------------------ #$Date: 2013-05-05 17:21:46 +0300 (Sun, 05 May 2013) $ #$Revision: 85285 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/94/9009495.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_9009495 loop_ _publ_author_name 'Alietti, E.' 'Brigatti, M. F.' 'Capedri, S.' 'Poppi, L.' _publ_section_title ; The roedderite-chayesite series from Spanish lamproites: crystal chemical characterization Locality: Cancarix, Albacete province, Spain ; _journal_name_full 'Mineralogical Magazine' _journal_page_first 655 _journal_page_last 662 _journal_volume 58 _journal_year 1994 _chemical_formula_sum 'Fe0.7 K0.8 Mg4.3 Na0.6 O30 Si12' _chemical_name_mineral Roedderite _space_group_IT_number 192 _symmetry_space_group_name_Hall '-P 6 2c' _symmetry_space_group_name_H-M 'P 6/m c c' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 10.135 _cell_length_b 10.135 _cell_length_c 14.320 _cell_volume 1273.858 _exptl_crystal_density_diffrn 2.622 _[local]_cod_chemical_formula_sum_orig 'K.8 Na.6 (Mg4.3 Fe.7) Si12 O30' _cod_database_code 9009495 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-x+y,1/2+z x,x-y,1/2-z -x+y,-x,-z x-y,x,z -y,-x,1/2+z y,x,1/2-z y,-x+y,-z -y,x-y,z x-y,-y,1/2+z -x+y,y,1/2-z x,y,-z -x,-y,z x,x-y,1/2+z -x,-x+y,1/2-z x-y,x,-z -x+y,-x,z y,x,1/2+z -y,-x,1/2-z -y,x-y,-z y,-x+y,z -x+y,y,1/2+z x-y,-y,1/2-z -x,-y,-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 KC 0.01963 0.01963 0.02279 0.00988 0.00000 0.00000 NaC 0.01963 0.01963 0.02279 0.00988 0.00000 0.00000 MgA 0.01013 0.01013 0.01178 0.00507 0.00000 0.00000 Fe3+A 0.01013 0.01013 0.01178 0.00507 0.00000 0.00000 MgT2 0.00747 0.01976 0.00836 0.00988 0.00000 0.00000 Fe3+T2 0.00747 0.01976 0.00836 0.00988 0.00000 0.00000 SiT1 0.01064 0.01165 0.00912 0.00621 0.00063 0.00089 O1 0.02850 0.02293 0.01140 0.01266 0.00000 0.00000 O2 0.01976 0.02242 0.01976 0.01406 0.00051 0.00063 O3 0.01317 0.01431 0.01393 0.00671 -0.00101 -0.00228 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 KC 0.00000 0.00000 0.25000 0.80000 0.02077 NaC 0.00000 0.00000 0.25000 0.20000 0.02077 NaB 0.33333 0.66667 -0.01880 0.10000 0.01267 MgA 0.33333 0.66667 0.25000 0.86000 0.01064 Fe3+A 0.33333 0.66667 0.25000 0.14000 0.01064 MgT2 0.50000 0.50000 0.25000 0.86000 0.01051 Fe3+T2 0.50000 0.50000 0.25000 0.14000 0.01051 SiT1 0.23807 0.35288 0.39065 1.00000 0.01013 O1 0.12990 0.39430 0.00000 1.00000 0.02102 O2 0.21970 0.27770 0.13325 1.00000 0.01900 O3 0.15520 0.49670 0.17230 1.00000 0.01393