#------------------------------------------------------------------------------ #$Date: 2014-07-11 16:35:18 +0200 (Fri, 11 Jul 2014) $ #$Revision: 120071 $ #$URL: svn://www.crystallography.net/cod/cif/1/00/14/1001415.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_1001415 _chemical_name_systematic 'Mercury arsenide iodide (4/2/3)' _chemical_formula_structural 'Hg4 As2 I3' _chemical_formula_sum 'As2 Hg4 I3' _publ_section_title 'Crystal structure of Hg~4~ As~2~ I~3~' loop_ _publ_author_name 'Labbe, P' 'Ledesert, M' 'Raveau, B' 'Rebbah, A' _journal_name_full ; Zeitschrift fuer Kristallographie (149,1979-) ; _journal_coden_ASTM ZEKRDZ _journal_volume 187 _journal_year 1989 _journal_page_first 117 _journal_page_last 123 _cell_length_a 12.999(3) _cell_length_b 12.999(3) _cell_length_c 12.999(3) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 2196.5 _cell_formula_units_Z 8 _symmetry_space_group_name_H-M 'P a -3' _symmetry_Int_Tables_number 205 _symmetry_cell_setting cubic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2-y,-z' '-x,1/2+y,1/2-z' '1/2-x,-y,1/2+z' 'y,z,x' '1/2-y,-z,1/2+x' '1/2+y,1/2-z,-x' '-y,1/2+z,1/2-x' 'z,x,y' '-z,1/2+x,1/2-y' '1/2-z,-x,1/2+y' '1/2+z,1/2-x,-y' '-x,-y,-z' '1/2-x,1/2+y,z' 'x,1/2-y,1/2+z' '1/2+x,y,1/2-z' '-y,-z,-x' '1/2+y,z,1/2-x' '1/2-y,1/2+z,x' 'y,1/2-z,1/2+x' '-z,-x,-y' 'z,1/2-x,1/2+y' '1/2+z,x,1/2-y' '1/2-z,1/2+x,y' loop_ _atom_type_symbol _atom_type_oxidation_number Hg0 0.000 As0 0.000 I0 0.000 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 Hg1 Hg0 8 c 0.22092(7) 0.22092(7) 0.22092(7) 1. 0 d Hg2 Hg0 24 d 0.04322(7) 0.01333(7) 0.26386(6) 1. 0 d As1 As0 8 c 0.10819(14) 0.10819(14) 0.10819(14) 1. 0 d As2 As0 8 c 0.44637(12) 0.44637(12) 0.44637(12) 1. 0 d I1 I0 24 d 0.18518(8) 0.43990(8) 0.25788(9) 1. 0 d loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_22 _atom_site_aniso_U_23 _atom_site_aniso_U_33 Hg1 0.0415(4) -0.0093(3) -0.0093(3) 0.0415(4) -0.0093(3) 0.0415(4) Hg2 0.0355(4) -0.0006(3) 0.0076(3) 0.0344(4) 0.0115(3) 0.0231(4) As1 0.0161(5) 0.0046(6) 0.0046(6) 0.0161(5) 0.0046(6) 0.0161(5) As2 0.0139(4) 0.0004(5) 0.0004(5) 0.0139(4) 0.0004(5) 0.0139(4) I1 0.0161(4) -0.0004(3) -0.0012(4) 0.0174(4) 0.0008(4) 0.0266(5) _refine_ls_R_factor_all 0.03 _cod_database_code 1001415 _journal_paper_doi 10.1524/zkri.1989.187.1-2.117