#------------------------------------------------------------------------------ #$Date: 2012-02-28 14:14:52 +0200 (Tue, 28 Feb 2012) $ #$Revision: 35911 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/81/1008134.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_1008134 _chemical_name_systematic 'Neodymium(II) chromate' _chemical_formula_structural 'Nd Cr O4' _chemical_formula_sum 'Cr Nd O4' _publ_section_title ; Etude cristallographique des composes T Cr O~4~ (T= terre rare ou Y) ; _space_group_IT_number 141 _symmetry_space_group_name_Hall 'I 4bw 2bw -1bw' _symmetry_space_group_name_H-M 'I 41/a m d :1' _[local]_cod_cif_authors_sg_H-M 'I 41/a m d S' loop_ _publ_author_name 'Buisson, G' 'Bertaut, F' 'Mareschal, J' _journal_name_full ; Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences (1884 - 1965) ; _journal_coden_ASTM COREAF _journal_volume 259 _journal_year 1964 _journal_page_first 411 _journal_page_last 413 _cell_length_a 7.311 _cell_length_b 7.311 _cell_length_c 6.402 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 342.2 _cell_formula_units_Z 4 _symmetry_cell_setting tetragonal 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' '-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' '-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-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' '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_type_symbol _atom_type_oxidation_number Nd2+ 2.000 Cr6+ 6.000 O2- -2.000 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 Nd1 Nd2+ 4 a 0. 0. 0. 1. 0 d Cr1 Cr6+ 4 b 0. 0. 0.5 1. 0 d O1 O2- 16 h 0. 0.182 0.332 1. 0 d _cod_database_code 1008134