#------------------------------------------------------------------------------ #$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/2013240.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_2013240 _journal_name_full 'Acta Crystallographica, Section C' _journal_year 2003 _journal_volume 59 _journal_page_first i27 _journal_page_last i28 _publ_section_title ; KYNb~6~Cl~18~, potassium yttrium hexaniobium octadecachloride ; _space_group_IT_number 148 _symmetry_space_group_name_Hall '-R 3' _symmetry_space_group_name_H-M 'R -3 :H' _[local]_cod_cif_authors_sg_H-M 'R -3' loop_ _publ_author_name 'Duraisamy, Thirumalai' 'Lachgar, Abdessadek' _chemical_name_common 'Niobium chloride' _chemical_formula_moiety 'Cl18 Nb6, K1, Y1' _chemical_formula_sum 'Cl18 K Nb6 Y' _[local]_cod_chemical_formula_sum_orig 'Cl18 K1 Nb6 Y1' _chemical_formula_structural 'K Y Nb6 Cl18' _chemical_formula_iupac 'K Y Nb6 Cl18' _chemical_formula_weight 1323.57 _symmetry_cell_setting trigonal loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-y, x-y, z' '-x+y, -x, z' 'x+2/3, y+1/3, z+1/3' '-y+2/3, x-y+1/3, z+1/3' '-x+y+2/3, -x+1/3, z+1/3' 'x+1/3, y+2/3, z+2/3' '-y+1/3, x-y+2/3, z+2/3' '-x+y+1/3, -x+2/3, z+2/3' '-x, -y, -z' 'y, -x+y, -z' 'x-y, x, -z' '-x+2/3, -y+1/3, -z+1/3' 'y+2/3, -x+y+1/3, -z+1/3' 'x-y+2/3, x+1/3, -z+1/3' '-x+1/3, -y+2/3, -z+2/3' 'y+1/3, -x+y+2/3, -z+2/3' 'x-y+1/3, x+2/3, -z+2/3' _cell_length_a 9.2527(6) _cell_length_b 9.2527(6) _cell_length_c 25.410(2) _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 120.00 _cell_volume 1884.0(2) _cell_formula_units_Z 3 _cell_measurement_temperature 293(2) _exptl_crystal_density_diffrn 3.500 _diffrn_ambient_temperature 293(2) loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_disorder_assembly _atom_site_disorder_group _atom_site_type_symbol Nb 0.04066(4) -0.15832(4) 0.046790(12) 0.00829(7) Uani d . 1 . . Nb Cl1 0.08430(13) -0.36696(13) 0.10715(4) 0.01615(19) Uani d . 1 . . Cl Cl2 -0.18582(12) -0.23352(12) 0.11040(3) 0.01529(18) Uani d . 1 . . Cl Cl3 0.27860(13) -0.14169(13) -0.00074(4) 0.01407(18) Uani d . 1 . . Cl Y 0.33333 -0.33333 0.16667 0.01086(17) Uani d S 1 . . Y K -0.33333 -0.66667 0.11103(19) 0.0419(11) Uani d SP 0.50 . . K loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Nb 0.00856(15) 0.00834(16) 0.00833(11) 0.00451(13) -0.00005(13) 0.00062(13) Cl1 0.0166(5) 0.0164(4) 0.0169(4) 0.0094(4) -0.0032(4) 0.0027(4) Cl2 0.0162(5) 0.0181(5) 0.0139(4) 0.0104(4) 0.0046(4) 0.0058(4) Cl3 0.0139(4) 0.0169(5) 0.0159(3) 0.0111(4) 0.0023(4) 0.0034(3) Y 0.0111(3) 0.0111(3) 0.0103(4) 0.00556(13) 0.000 0.000 K 0.0420(16) 0.0420(16) 0.042(2) 0.0210(8) 0.000 0.000 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag Nb Cl3 . 2.4476(10) yes Nb Cl3 11 2.4498(10) ? Nb Cl2 2 2.4554(10) ? Nb Cl2 . 2.4556(10) yes Nb Cl1 . 2.6497(10) yes Nb Nb 11 2.9143(6) yes Nb Nb 12 2.9142(6) ? Nb Nb 2 2.9182(6) yes Nb Nb 3 2.9182(6) ? Cl1 Y . 2.6414(10) yes Cl1 K . 3.4520(11) yes Cl2 Nb 3 2.4554(10) ? Cl2 K 13_445 3.464(4) ? Cl2 K . 3.5292(10) yes Cl3 Nb 12 2.4498(10) ? Cl3 K 10_545 3.486(4) ? Y Cl1 3_655 2.6414(10) ? Y Cl1 2_545 2.6414(10) ? Y Cl1 13_545 2.6414(10) ? Y Cl1 15_445 2.6414(10) ? Y Cl1 14 2.6414(10) ? K Cl1 3_545 3.4520(11) ? K Cl1 2_445 3.4520(11) ? K Cl2 15_445 3.463(4) ? K Cl2 13_445 3.464(4) ? K Cl2 14_445 3.464(4) ? K Cl3 10_545 3.486(4) ? K Cl3 12_445 3.486(4) ? K Cl3 11 3.486(4) ? K Cl2 3_545 3.5292(10) ? K Cl2 2_445 3.5292(10) ?