#------------------------------------------------------------------------------ #$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $ #$Revision: 176429 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/53/02/1530237.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_1530237 loop_ _publ_author_name 'Kvick, A.' 'Abrahams, S.C.' 'Liminga, R.' _publ_section_title ; Neutron diffraction structural study of pyroelectric Ba (N O2)2 H2 O at 298, 102, and 20 K ; _journal_name_full 'Journal of Chemical Physics' _journal_page_first 5508 _journal_page_last 5514 _journal_volume 76 _journal_year 1982 _chemical_formula_sum 'Ba H2 N2 O5' _chemical_name_systematic 'Ba (N O2)2 (H2 O)' _space_group_IT_number 170 _symmetry_space_group_name_Hall 'P 65' _symmetry_space_group_name_H-M 'P 65' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 6 _cell_length_a 7.0749 _cell_length_b 7.0749 _cell_length_c 17.8909 _cell_volume 775.539 _citation_journal_id_ASTM JCPSA6 _cod_data_source_file Kvick_JCPSA6_1982_984.cif _cod_data_source_block H2Ba1N2O5 _cod_original_cell_volume 775.5386 _cod_original_formula_sum 'H2 Ba1 N2 O5' _cod_database_code 1530237 loop_ _symmetry_equiv_pos_as_xyz x,y,z x-y,x,z+5/6 -y,x-y,z+2/3 -x,-y,z+1/2 -x+y,-x,z+1/3 y,-x+y,z+1/6 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_U_iso_or_equiv O3 O-2 0.58477 0.2899 0.29836 1 0.0 H2 H+1 0.10259 0.14532 0.43808 1 0.0 O2 O-2 0.10841 -0.13825 0.11166 1 0.0 O4 O-2 0.61638 0.01444 0.28256 1 0.0 H1 H+1 0.17195 0.031 0.38334 1 0.0 Ba1 Ba+2 0.42687 -0.15019 0 1 0.0 O5 O-2 0.22997 0.15477 0.41633 1 0.0 O1 O-2 0.43735 0.10222 0.12298 1 0.0 N1 N+3 0.24802 0.02884 0.14521 1 0.0 N2 N+3 0.56477 0.11853 0.32501 1 0.0