#------------------------------------------------------------------------------ #$Date: 2016-02-14 16:26:36 +0200 (Sun, 14 Feb 2016) $ #$Revision: 176435 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/81/1008129.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_1008129 loop_ _publ_author_name 'Levy, H A' 'Peterson, S W' _publ_section_title ; Neutron Diffraction Determination of the Crystal Structure of Ammonium Bromide in Four Phases ; _journal_coden_ASTM JACSAT _journal_name_full 'Journal of the American Chemical Society' _journal_page_first 1536 _journal_page_last 1542 _journal_paper_doi 10.1021/ja01103a006 _journal_volume 75 _journal_year 1953 _chemical_formula_structural 'N D4 Br' _chemical_formula_sum 'Br D4 N' _chemical_name_systematic 'Tetradeuterioammonium bromide - III' _space_group_IT_number 129 _symmetry_cell_setting tetragonal _symmetry_space_group_name_Hall 'P 4ab 2ab -1ab' _symmetry_space_group_name_H-M 'P 4/n m m :1' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 5.826 _cell_length_b 5.826 _cell_length_c 4.136 _cell_volume 140.4 _cod_original_sg_symbol_H-M 'P 4/n m m S' _cod_original_formula_sum 'D4 Br N' _cod_database_code 1008129 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z 1/2+x,1/2+y,-z 1/2-x,1/2-y,-z -x,y,z x,-y,z 1/2-x,1/2+y,-z 1/2+x,1/2-y,-z -y,x,-z y,-x,-z 1/2-y,1/2+x,z 1/2+y,1/2-x,z y,x,-z -y,-x,-z 1/2+y,1/2+x,z 1/2-y,1/2-x,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 N1 N3- 2 a 0. 0. 0. 1. 0 d Br1 Br1- 2 c 0. 0.5 0.47 1. 0 d D1 D1+ 8 i 0. 0.147 0.147 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number N3- -3.000 Br1- -1.000 D1+ 1.000