#------------------------------------------------------------------------------ #$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $ #$Revision: 176429 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/53/02/1530241.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_1530241 loop_ _publ_author_name 'Laing, M.' 'Kiernan, P.M.' 'Gafner, G.' 'Griffith, W.P.' _publ_section_title ; The X-Ray crystal structure of an eight co-ordinate cyanide complex of niobium, K4 Nb (C N)8 (H2 O)2 ; _journal_name_full 'Inorganica Chimica Acta' _journal_page_first 119 _journal_page_last 119 _journal_volume 33 _journal_year 1979 _chemical_formula_sum 'C8 H4 K4 N8 Nb O2' _chemical_name_systematic 'K4 Nb (C N)8 (H2 O)2' _space_group_IT_number 33 _symmetry_space_group_name_Hall 'P 2c -2n' _symmetry_space_group_name_H-M 'P n a 21' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 16.899 _cell_length_b 8.821 _cell_length_c 11.754 _cell_volume 1752.123 _citation_journal_id_ASTM ICHAA3 _cod_data_source_file Laing_ICHAA3_1979_376.cif _cod_data_source_block C8H4K4N8Nb1O2 _cod_original_formula_sum 'C8 H4 K4 N8 Nb1 O2' _cod_database_code 1530241 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 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 C3 C+2 0.05774 -0.11086 0.24812 1 0.0 C5 C+2 0.26212 0.17421 0.25029 1 0.0 C8 C+2 0.17503 0.06308 0.43228 1 0.0 K4 K+1 0.14715 0.6839 0.44932 1 0.0 C7 C+2 0.03421 0.17228 0.36516 1 0.0 N8 N-3 0.19534 0.03768 0.52261 1 0.0 C2 C+2 0.17025 0.06686 0.06741 1 0.0 C4 C+2 0.21877 -0.10656 0.25133 1 0.0 Nb1 Nb+4 0.13589 0.09681 0.25 1 0.0 N5 N-3 0.32676 0.21403 0.2484 1 0.0 N1 N-3 -0.01491 0.21719 0.07571 1 0.0 N4 N-3 0.26236 -0.20574 0.25111 1 0.0 K1 K+1 0.13546 0.0224 0.75066 1 0.0 O1 O-2 0.10976 0.4129 0.55807 1 0.0 N3 N-3 0.01741 -0.21592 0.24962 1 0.0 N7 N-3 -0.01639 0.2124 0.4165 1 0.0 K3 K+1 0.15147 0.68905 0.0441 1 0.0 K2 K+1 0.03975 0.52257 0.75078 1 0.0 C6 C+2 0.14015 0.35178 0.24777 1 0.0 O2 O-2 0.11348 0.40913 -0.05829 1 0.0 N6 N-3 0.13888 0.48227 0.25095 1 0.0 C1 C+2 0.03402 0.165 0.13783 1 0.0 N2 N-3 0.19049 0.05213 -0.02675 1 0.0