#------------------------------------------------------------------------------ #$Date: 2012-02-24 17:13:23 +0000 (Fri, 24 Feb 2012) $ #$Revision: 34330 $ #$URL: svn://www.crystallography.net/cod/cif/4/00/05/4000540.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_4000540 _publ_section_comment ; Prepared at 6 GPa and 1500C for 1hr from NaRhO2, Rh2O3, and KClO4. ; _journal_name_full 'Chemistry of Materials' _journal_year 2005 _chemical_formula_structural NaRh2O4 _chemical_formula_sum 'Na O4 Rh2' _chemical_formula_weight 292.798 _chemical_name_structure_type ; CaFe2O4-type ; _symmetry_Int_Tables_number 62 _symmetry_space_group_name_Hall -P_2ac_2n _symmetry_space_group_name_H-M 'P n m a' _cell_angle_alpha 90.000 _cell_angle_beta 90.000 _cell_angle_gamma 90.000 _cell_formula_units_Z 4 _cell_length_a 9.0026(4) _cell_length_b 3.0461(2) _cell_length_c 10.7268(5) _cell_volume 294.16(3) _diffrn_measured_fraction_theta_full 0.99 _diffrn_reflns_theta_full 80 _exptl_crystal_pressure_history 'Prepared at 6 GPa' _exptl_crystal_thermal_history 'Prepared at 6 GPa and 1500C for 1hr' loop_ _symmetry_equiv_pos_as_xyz 'x, y, z ' '1/2-x, -y, 1/2+z ' '1/2+x, 1/2-y, 1/2-z ' '-x, 1/2+y, -z ' '-x, -y, -z ' '1/2+x, y, 1/2-z ' '1/2-x, 1/2+y, 1/2+z ' 'x, 1/2-y, z ' loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_attached_hydrogens _atom_site_calc_flag _atom_site_thermal_displace_type _atom_site_U_iso_or_equiv Na Na 0.7629(6) 0.2500 0.6577(6) 1.000 4 c ? d Uiso 0.0140(12) Rh1 Rh 0.4137(4) 0.2500 0.1029(3) 1.000 4 c ? d Uiso 0.00590(47) Rh2 Rh 0.4431(4) 0.2500 0.6162(3) 1.000 4 c ? d Uiso 0.00590(47) O1 O 0.1982(4) 0.2500 0.1579(3) 1.000 4 c ? d Uiso 0.00759(69) O2 O 0.1166(3) 0.2500 0.4797(3) 1.000 4 c ? d Uiso 0.00729(77) O3 O 0.5319(4) 0.2500 0.7862(3) 1.000 4 c ? d Uiso 0.00832(68) O4 O 0.4178(4) 0.2500 0.4295(3) 1.000 4 c ? d Uiso 0.00598(69) _cod_database_code 4000540