#------------------------------------------------------------------------------ #$Date: 2023-03-26 11:09:57 +0300 (Sun, 26 Mar 2023) $ #$Revision: 282068 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/74/9007477.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_9007477 loop_ _publ_author_name 'Smith, G. S.' 'Isaacs, P. B.' _publ_section_title ; The crystal structure of quartz-like GeO2 Note: polymorph of argutite ; _journal_name_full 'Acta Crystallographica' _journal_page_first 842 _journal_page_last 846 _journal_paper_doi 10.1107/S0365110X64002262 _journal_volume 17 _journal_year 1964 _chemical_formula_structural GeO2 _chemical_formula_sum 'Ge O2' _symmetry_space_group_name_H-M 'P 32 2 1' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 4.987 _cell_length_b 4.987 _cell_length_c 5.652 _cell_volume 121.734 _database_code_amcsd 0009284 _exptl_crystal_density_diffrn 4.281 _cod_database_code 9007477 _amcsd_formula_title GeO2 loop_ _space_group_symop_operation_xyz x,y,z y,x,2/3-z -y,x-y,2/3+z -x,-x+y,1/3-z -x+y,-x,1/3+z x-y,-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 Ge 0.00718 0.00633 0.00680 0.00321 0.00000 0.00000 O 0.01814 0.01342 0.01343 0.01115 -0.00495 -0.00371 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Ge 0.45130 0.00000 0.00000 O 0.39690 0.30210 0.09090 loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0009284