#------------------------------------------------------------------------------ #$Date: 2008-01-26 13:05:32 +0000 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: svn://www.crystallography.net/cod/cif/7/7100192.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_7100192 _journal_name_full 'Chemical Communications' _journal_year 2005 _publ_section_title ; MCuB7O12 nH2O (M=Na, K ): A new copper borate with 14-ring channel ; loop_ _publ_author_name 'Tao Yang' 'Guobao Li' 'Liping You' 'Jing Ju' 'Fuhui Liao' 'Jianhua Lin' _chemical_formula_moiety 'H2 B7 O13 Cu1 K1' _chemical_formula_structural KCuB7O12.H2O _chemical_formula_iupac 'H2 B7 O13 Cu1 K1' _chemical_formula_sum KCuB7O12.H2O _chemical_formula_weight 388.31 _symmetry_cell_setting Orthorhombic _symmetry_space_group_name_H-M 'P n n m' _cell_length_a 12.6406 _cell_length_b 4.75296 _cell_length_c 15.38502 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 924.3361 _cell_formula_units_Z 4 _cell_measurement_temperature 295 loop_ _symmetry_equiv_pos_as_xyz '-x, -y, -z' '-x, -y, z' '-x+1/2, y+1/2, -z+1/2' '-x+1/2, y+1/2, z+1/2' 'x, y, -z' 'x, y, z' 'x+1/2, -y+1/2, -z+1/2' 'x+1/2, -y+1/2, z+1/2' _exptl_crystal_density_diffrn 2.135 _pd_spec_size_axial 10 # perpendicular to _pd_spec_size_equat 20 # parallel to _pd_spec_size_thick 0.2 # parallel to _diffrn_ambient_temperature 295 _diffrn_source_target Cu _pd_proc_ls_prof_R_factor 0.034 _pd_proc_ls_prof_wR_factor 0.050 loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv B4 B 8 0.1718(7) 0.4109(4) 0.3466(4) 1 0.0013(5) B3 B 8 0.0700(6) 0.1922(5) 0.2268(5) 1 0.0013(5) B2 B 8 0.1881(5) 0.5834(6) 0.1963(2) 1 0.0013(5) B1 B 4 0.1233(9) 0.414(9) 0.5 1 0.0013(5) K K 4 0.1931(5) 0.3554(7) 0 1 0.040(3) O8 O 4 0.9691(8) 0.168(1) 0 1 0.304(4) O7 O 4 0 0 0.1912(8) 1 0.0051(3) O6 O 4 0.0700(9) 0.1784(2) 0.5 1 0.0051(3) O5 O 8 0.1111(2) 0.380(7) 0.167(1) 1 0.0051(3) O4 O 8 0.1415(1) 0.5681(7) 0.4210(5) 1 0.0051(3) O3 O 8 0.2590(7) 0.2147(8) 0.3681(5) 1 0.0051(3) O2 O 8 0.0773(5) 0.2250(4) 0.3134(3) 1 0.0051(3) O1 O 8 0.1989(1) 0.6230(3) 0.282(8) 1 0.0051(3) Cu Cu 4 0 0 0.401(9) 1 0.0130(2)