#------------------------------------------------------------------------------ #$Date: 2016-02-14 16:26:36 +0200 (Sun, 14 Feb 2016) $ #$Revision: 176435 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/10/16/2101662.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # 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_2101662 loop_ _publ_author_name I.P.Swainson R.J.C.Brown _publ_section_title ; Refinement of Ammonium Perrhenate Structure Using a Pseudo-Spin Model for the Ammonium Ion Orientation ; _journal_issue 1 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 76 _journal_page_last 81 _journal_paper_doi 10.1107/S0108768196011160 _journal_volume 53 _journal_year 1997 _chemical_formula_moiety 'N D4 1+, Re O4 1-' _chemical_formula_sum 'D4 N O4 Re' _chemical_formula_weight 272.3 _chemical_name_common 'ammonium perrhenate' _chemical_name_systematic ' ammonium rhenium(VII) oxide' _space_group_IT_number 88 _symmetry_cell_setting tetragonal _symmetry_space_group_name_Hall '-I 4ad' _symmetry_space_group_name_H-M 'I 41/a :2' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 5.9956(2) _cell_length_b 5.9956(2) _cell_length_c 12.4783(5) _cell_measurement_temperature 140 _cell_volume 448.56(3) _computing_cell_refinement 'GSAS (A.C.Larson and R.B.Von Dreele, Los Alamos Rpt LA-UR-86-748)' _computing_structure_refinement 'GSAS (A.C.Larson and R.B.Von Dreele, Los Alamos Rpt LA-UR-86-748)' _diffrn_ambient_temperature 295(2) _diffrn_measurement_device '30 element multidetector' _diffrn_measurement_method 'profile data from 2theta scans' _diffrn_radiation_monochromator Si(115) _diffrn_radiation_probe neutron _diffrn_radiation_source 'NRU reactor' _diffrn_radiation_type neutron _diffrn_radiation_wavelength 1.49978(9) _exptl_absorpt_coefficient_mu 0.083 _exptl_absorpt_correction_T_max 0.614 _exptl_absorpt_correction_T_min 0.594 _exptl_absorpt_correction_type cylinder _refine_ls_hydrogen_treatment refall _refine_ls_number_constraints 60 _refine_ls_number_parameters 45 _refine_ls_shift/esd_max 0.05 _refine_ls_shift/esd_mean 0.00 _cod_data_source_file br0049.cif _cod_data_source_block 140Ka _cod_depositor_comments ; The following automatic conversions were performed: '_diffrn_ambient_temperature' value 'room temperature' was changed to '295(2)' - the room/ambient temperature average [293;298] in Kelvins(K) was taken. '_exptl_absorpt_correction_type' tag value 'cylindrical' was replaced with 'cylinder' value. Automatic conversion script Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana The following automatic conversions were performed: '_diffrn_ambient_temperature' value 'room temperature' was changed to '295(2)' - the room/ambient temperature average [293;298] in Kelvins(K) was taken. Automatic conversion script Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana ; _cod_original_cell_volume 448.57(4) _cod_original_sg_symbol_H-M 'I 41/a (origin at -1)' _cod_original_formula_sum 'D4 N1 O4 Re1' _cod_database_code 2101662 loop_ _symmetry_equiv_pos_as_xyz +x,+y,+z -x+1/2,-y,+z+1/2 -y+3/4,+x+1/4,+z+1/4 +y+3/4,-x+3/4,+z+3/4 -x,-y,-z +x+1/2,+y,-z+1/2 +y+1/4,-x+3/4,-z+3/4 -y+1/4,+x+1/4,-z+1/4 x+1/2,y+1/2,z+1/2 -y+5/4,x+3/4,z+3/4 -x+1,-y+1/2,z+1 y+5/4,-x+5/4,z+5/4 -x+1/2,-y+1/2,-z+1/2 y-1/4,-x+1/4,-z+1/4 x,y+1/2,-z -y-1/4,x-1/4,-z-1/4 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 N 0.02732 0.02732 0.02347 0.0 0.0 0.0 D 0.06477 0.03952 0.04215 -0.00897 -0.00401 -0.01258 Re 0.0126(8) 0.0126(8) 0.0191(13) 0.0 0.0 0.0 O 0.0255(11) 0.0273(12) 0.0196(11) -0.0010(12) 0.0046(8) -0.0008(10) loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_occupancy N 0.5 0.75 0.125 0.0260 1.0 D 0.4576(4) 0.61702(12) 0.17243(7) 0.0488 1.0 Re 0.0 0.25 0.125 0.0148 1.0 O 0.2039(3) 0.3722(3) 0.04590(16) 0.0241 1.0 loop_ _atom_type_symbol _atom_type_description _atom_type_scat_source N N 'Larson and Von Dreele, GSAS Rpt LS-UR-86-748' D deuterium 'Larson and Von Dreele, GSAS Rpt LS-UR-86-748' Re Re 'Larson and Von Dreele, GSAS Rpt LS-UR-86-748' O O 'Larson and Von Dreele, GSAS Rpt LS-UR-86-748' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle O Re O 110.60(10) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance N D 1.0250(10) Re O 1.733(2)