#------------------------------------------------------------------------------ #$Date: 2012-02-28 17:44:07 +0200 (Tue, 28 Feb 2012) $ #$Revision: 35913 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/74/9007434.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_9007434 loop_ _publ_author_name 'Baur, W. H.' _publ_section_title ; Uber die verfeinerung der kristallstrukturbestimmung einiger vertreter des rutiltyps: TiO2, SnO2, GeO2 und MgF2 ; _journal_name_full 'Acta Crystallographica' _journal_page_first 515 _journal_page_last 520 _journal_volume 9 _journal_year 1956 _chemical_formula_sum 'F2 Mg' _chemical_name_mineral Sellaite _space_group_IT_number 136 _symmetry_space_group_name_Hall '-P 4n 2n' _symmetry_space_group_name_H-M 'P 42/m n m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 4.625 _cell_length_b 4.625 _cell_length_c 3.052 _cell_volume 65.284 _exptl_crystal_density_diffrn 3.169 _[local]_cod_chemical_formula_sum_orig 'Mg F2' _cod_database_code 9007434 _amcsd_database_code AMCSD#0009101 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,-x,z y,x,-z 1/2+y,1/2-x,1/2-z 1/2-y,1/2+x,1/2+z 1/2+x,1/2-y,1/2+z 1/2-x,1/2+y,1/2-z x,y,-z -x,-y,z y,x,z -y,-x,-z 1/2-y,1/2+x,1/2-z 1/2+y,1/2-x,1/2+z 1/2-x,1/2+y,1/2+z 1/2+x,1/2-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_U_iso_or_equiv Mg 0.00000 0.00000 0.00000 0.00887 F 0.30300 0.30300 0.00000 0.01267