#------------------------------------------------------------------------------ #$Date: 2008-02-29 19:01:04 +0200 (Fri, 29 Feb 2008) $ #$Revision: 190 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/2003015.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_2003015 _journal_name_full 'Acta Crystallographica, Section B' _journal_year 1999 _journal_volume B54 _journal_page_first 459 _journal_page_last 466 _publ_author_name ; Sciau Philippe ; _chemical_formula_sum 'K Nb5 O15 Pb2' _symmetry_cell_setting orthorhombic _symmetry_space_group_name_H-M 'C m 2 m' _symmetry_space_group_name_Hall 'C -2 -2' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,y,-z' '-x,y,z' 'x,y,-z' '1/2+x,1/2+y,z' '1/2-x,1/2+y,-z' '1/2-x,1/2+y,z' '1/2+x,1/2+y,-z' _cell_length_a 17.7560(10) _cell_length_b 18.0190(10) _cell_length_c 3.9141(2) _cell_angle_alpha 90.00000 _cell_angle_beta 90.00000 _cell_angle_gamma 90.00000 _cell_formula_units_Z 4 _cell_measurement_temperature 81 _diffrn_radiation_type 'CuK\b' _diffrn_radiation_wavelength 1.39217 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z K(p1) 0.329(3) -0.010(3) 0.5 K(p2) 0 0.160(4) 0.5 K(p3) 0.5 0.358(4) 0.5 Pb(p1) 0.3263(4) 0.0356(5) 0.5 Pb(p2) -0.0116(9) 0.1993(6) 0.5 Pb(p3) 0.4725(6) 0.3395(8) 0.5 Pb/K(c) 0.2508(4) 0.2526(5) 0.5 Nb(1) 0 0 0 Nb(2) 0 0.5009(9) 0 Nb(3) 0.1791(4) 0.1087(6) 0 Nb(4) 0.3182(5) 0.3979(6) 0 Nb(5) 0.3937(5) 0.1815(6) 0 Nb(6) 0.1066(4) 0.3234(6) 0 O(1) 0 -0.021(3) 0.5 O(2) 0.5 -0.014(3) 0.5 O(3) 0.194(3) 0.104(3) 0.5 O(4) 0.324(3) 0.375(3) 0.5 O(5) 0.402(3) 0.182(3) 0.5 O(6) 0.121(3) 0.304(3) 0.5 O(7) 0.079(3) 0.074(3) 0 O(8) 0.181(3) 0.220(2) 0 O(9) 0.214(2) 0.005(4) 0 O(10) 0.289(3) 0.138(3) 0 O(11) 0.416(3) 0.061(3) 0 O(12) 0.5 0.210(4) 0 O(13) 0 0.275(3) 0 O(14) 0.071(3) 0.424(3) 0 O(15) 0.210(3) 0.336(3) 0 O(16) 0.357(3) 0.275(3) 0 O(17) 0.425(3) 0.411(3) 0