#------------------------------------------------------------------------------ #$Date: 2012-02-28 17:44:07 +0200 (Tue, 28 Feb 2012) $ #$Revision: 35913 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/96/9009648.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_9009648 loop_ _publ_author_name 'Kremenovic, A.' 'Colomban, P.' 'Piriou, B.' 'Massiot, D.' 'Florian, P.' _publ_section_title ; Structural and spectroscopic characterization of the quenched hexacelsian ; _journal_name_full 'Journal of Physics and Chemistry of Solids' _journal_page_first 2253 _journal_page_last 2268 _journal_volume 64 _journal_year 2003 _chemical_formula_sum 'Al2 Ba0.99 Eu0.01 O8 Si2' _chemical_name_mineral Hexacelsian _space_group_IT_number 193 _symmetry_space_group_name_Hall '-P 6c 2' _symmetry_space_group_name_H-M 'P 63/m c m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 5.2920 _cell_length_b 5.2920 _cell_length_c 15.557 _cell_volume 377.308 _exptl_crystal_density_diffrn 3.306 _[local]_cod_chemical_formula_sum_orig '(Ba.99 Eu.01) (Si2 Al2) O8' _cod_database_code 9009648 _amcsd_database_code AMCSD#0012475 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-x+y,z x,x-y,-z -x+y,-x,1/2-z x-y,x,1/2+z -y,-x,1/2+z y,x,1/2-z y,-x+y,-z -y,x-y,z x-y,-y,z -x+y,y,-z x,y,1/2-z -x,-y,1/2+z x,x-y,1/2+z -x,-x+y,1/2-z x-y,x,-z -x+y,-x,z y,x,z -y,-x,-z -y,x-y,1/2-z y,-x+y,1/2+z -x+y,y,1/2+z x-y,-y,1/2-z -x,-y,-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 Ba 0.00000 0.00000 0.00000 0.99000 0.02026 Eu 0.00000 0.00000 0.00000 0.01000 0.02026 Si 0.33333 0.66667 0.14500 0.50000 0.01140 Al 0.33333 0.66667 0.14500 0.50000 0.01140 O1 0.33333 0.66667 0.25000 1.00000 0.01267 O2 0.48900 0.00000 0.10400 1.00000 0.04559