#------------------------------------------------------------------------------ #$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1010243.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_1010243 _chemical_name_systematic 'Ammonium trio-triiodide' _chemical_formula_structural 'N H4 I3' _chemical_formula_sum 'H4 I3 N' _publ_section_title ; The Configuration of the Triiodide Group in Ammonium Triiodide Crystals. ; _publ_author_name 'Mooney, R C L' _journal_name_full ; Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977) ; _journal_coden_ASTM ZEKGAX _journal_volume 90 _journal_year 1935 _journal_page_first 143 _journal_page_last 150 _cell_length_a 6.64(3) _cell_length_b 9.66(5) _cell_length_c 10.82(5) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 694.0 _cell_formula_units_Z 4 _exptl_crystal_density_meas 3.75 _symmetry_space_group_name_H-M 'P m c n' _symmetry_Int_Tables_number 62 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2-x,1/2-y,1/2+z' '1/2+x,-y,-z' '-x,1/2+y,1/2-z' '-x,-y,-z' '1/2+x,1/2+y,1/2-z' '1/2-x,y,z' 'x,1/2-y,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number I0- -0.333 N3- -3.000 H1+ 1.000 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 I1 I0- 4 c 0.25 0.35 0.153 1. 0 d I2 I0- 4 c 0.25 0.544 0.381 1. 0 d I3 I0- 4 c 0.25 0.736 0.575 1. 0 d N1 N3- 4 c 0.25 0.461 0.831 1. 4 d H1 H1+ 4 c -1. -1. -1. 4. 0 dum