#------------------------------------------------------------------------------ #$Date: 2016-11-14 06:39:14 +0200 (Mon, 14 Nov 2016) $ #$Revision: 188424 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/70/1007090.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1007090 loop_ _publ_author_name 'Durif, A' _publ_section_title 'Structure du germanate d'hafnium' _journal_coden_ASTM ACCRA9 _journal_issue 3 _journal_name_full 'Acta Crystallographica (1,1948-23,1967)' _journal_page_first 312 _journal_page_last 312 _journal_paper_doi 10.1107/S0365110X61000942 _journal_volume 14 _journal_year 1961 _chemical_formula_structural 'Hf Ge O4' _chemical_formula_sum 'Ge Hf O4' _chemical_name_systematic 'Hafnium germanate' _space_group_IT_number 88 _symmetry_cell_setting tetragonal _symmetry_space_group_name_Hall 'I 4bw -1bw' _symmetry_space_group_name_H-M 'I 41/a :1' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 4.849 _cell_length_b 4.849 _cell_length_c 10.501 _cell_volume 246.9 _cod_original_sg_symbol_H-M 'I 41/a S' _cod_database_code 1007090 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z x,1/2+y,1/4-z -x,1/2-y,1/4-z -y,x,-z y,-x,-z -y,1/2+x,1/4+z y,1/2-x,1/4+z 1/2+x,1/2+y,1/2+z 1/2-x,1/2-y,1/2+z 1/2+x,y,3/4-z 1/2-x,-y,3/4-z 1/2-y,1/2+x,1/2-z 1/2+y,1/2-x,1/2-z 1/2-y,x,3/4+z 1/2+y,-x,3/4+z loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Ge1 Ge4+ 4 a 0. 0. 0. 1. 0 d Hf1 Hf4+ 4 b 0. 0. 0.5 1. 0 d O1 O2- 16 f -1. -1. -1. 1. 0 dum loop_ _atom_type_symbol _atom_type_oxidation_number Ge4+ 4.000 Hf4+ 4.000 O2- -2.000