#------------------------------------------------------------------------------ #$Date: 2016-02-18 15:37:37 +0000 (Thu, 18 Feb 2016) $ #$Revision: 176729 $ #$URL: svn://www.crystallography.net/cod/cif/1/01/08/1010890.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_1010890 loop_ _publ_author_name 'Ketelaar, J A A' 'De Vries, T A' _publ_section_title ; The Crystal Structure of Tetra Phosphonitrile Chloride , $= P4N4Cl8 ; _journal_coden_ASTM RTCPA3 _journal_name_full ; Recueil des Travaux Chimiques des Pays-Bas et de la Belgique ; _journal_page_first 1081 _journal_page_last 1099 _journal_volume 58 _journal_year 1939 _chemical_formula_structural 'P4 N4 Cl8' _chemical_formula_sum 'Cl8 N4 P4' _chemical_name_systematic ; Cyclo-tetrakis(phosphorus(V) nitride dichloride) ; _space_group_IT_number 86 _symmetry_cell_setting tetragonal _symmetry_space_group_name_Hall 'P 4n -1n' _symmetry_space_group_name_H-M 'P 42/n :1' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 10.82(1) _cell_length_b 10.82(1) _cell_length_c 5.95(1) _cell_volume 696.6 _exptl_crystal_density_meas 2.18 _cod_original_sg_symbol_H-M 'P 42/n S' _cod_database_code 1010890 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z 1/2+x,1/2+y,1/2-z 1/2-x,1/2-y,1/2-z -y,x,-z y,-x,-z 1/2-y,1/2+x,1/2+z 1/2+y,1/2-x,1/2+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 Cl1 Cl1- 8 g 0.102(2) 0.199(2) 0.110(5) 1. 0 d Cl2 Cl1- 8 g 0.057(2) 0.344(2) 0.565(5) 1. 0 d P1 P5+ 8 g 0.041(2) 0.176(2) 0.420(5) 1. 0 d N1 N3- 8 g 0.125(3) 0.105(3) 0.615(7) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Cl1- -1.000 P5+ 5.000 N3- -3.000