#------------------------------------------------------------------------------ #$Date: 2015-10-01 15:32:37 +0300 (Thu, 01 Oct 2015) $ #$Revision: 159282 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/53/31/1533171.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_1533171 loop_ _publ_author_name 'Fortes, A.D.' 'Wood, I.G.' 'Brodholt, J.P.' 'Alfredsson, M.' 'Knight, K.S.' 'Vocadlo, L.' 'McGrady, G.S.' _publ_section_title ; A high-resolution neutron powder diffraction study of ammonia dihydrate ((N D3) * 2(D2 O)) phase I ; _journal_name_full 'Journal of Chemical Physics' _journal_page_first 10806 _journal_page_last 10813 _journal_volume 119 _journal_year 2003 _chemical_formula_sum 'D7 N O2' _chemical_name_systematic '(N D3) (D2 O)2' _space_group_IT_number 198 _symmetry_space_group_name_Hall 'P 2ac 2ab 3' _symmetry_space_group_name_H-M 'P 21 3' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 7.091771 _cell_length_b 7.091771 _cell_length_c 7.091771 _cell_volume 356.668 _citation_journal_id_ASTM JCPSA6 _cod_data_source_file Fortes_JCPSA6_2003_1558.cif _cod_data_source_block D7N1O2 _cod_chemical_formula_sum_orig 'D7 N1 O2' _cod_database_code 1533171 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x+1/2,-y,z+1/2 x+1/2,-y+1/2,-z -x,y+1/2,-z+1/2 z,x,y -z+1/2,-x,y+1/2 z+1/2,-x+1/2,-y -z,x+1/2,-y+1/2 y,z,x y+1/2,-z+1/2,-x -y,z+1/2,-x+1/2 -y+1/2,-z,x+1/2 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 D2 D+1 0.2388 0.2388 0.2388 1 0.0 N1 N-3 0.37944 0.37944 0.37944 1 0.0 D4 D+1 0.35734 0.35783 0.51507 1 0.0 D1 D+1 0.75928 0.67835 0.57701 0.667 0.0 D3 D+1 0.0142 0.20723 0.1778 0.333 0.0 O2 O-2 0.15607 0.15607 0.15607 1 0.0 O1 O-2 0.70423 0.70423 0.70423 1 0.0