#------------------------------------------------------------------------------ #$Date: 2016-02-14 04:40:26 +0000 (Sun, 14 Feb 2016) $ #$Revision: 176432 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/50/2105060.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2105060 loop_ _publ_author_name 'Solovyov, Leonid A.' _publ_section_title ; Revision of the Mg(ClO~4~)~2~·4H~2~O crystal structure ; _journal_coeditor_code KD5057 _journal_issue 1 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 89 _journal_page_last 90 _journal_paper_doi 10.1107/S0108768111054371 _journal_volume 68 _journal_year 2012 _chemical_formula_sum 'Cl2 H8 Mg O12' _chemical_formula_weight 295.26 _space_group_IT_number 12 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-C 2y' _symmetry_space_group_name_H-M 'C 1 2/m 1' _atom_type_scat_source ; X-Ray Form Factor, C Attenuation and Scattering Tables (version 2.1). NIST, Gaithersburg, MD. ; _cell_angle_alpha 90.000000 _cell_angle_beta 112.3169(8) _cell_angle_gamma 90.000000 _cell_formula_units_Z 2 _cell_length_a 11.4802(2) _cell_length_b 8.0016(4) _cell_length_c 5.9363(2) _cell_measurement_temperature 348 _cell_volume 504.46(3) _computing_structure_refinement DDM _diffrn_ambient_temperature 348 _diffrn_radiation_type 'Cu K\a' _exptl_crystal_density_diffrn 1.9445 _pd_block_id profile _pd_char_colour white _pd_meas_2theta_range_inc 0.0170 _pd_meas_2theta_range_max 85.0000 _pd_meas_2theta_range_min 10.0000 _pd_meas_scan_method step _pd_proc_ls_prof_wR_expected 0.01606 _pd_proc_ls_prof_wR_factor 0.05508 _pd_proc_number_of_points 4417 _pd_spec_mounting 'Ni-Cr plated copper front-loaded sample mount' _pd_spec_mount_mode reflection _pd_spec_shape flat_sheet _pd_spec_size_axial 10 _pd_spec_size_thick 14 _refine_ls_goodness_of_fit_all 1.852 _refine_ls_matrix_type full _refine_ls_number_parameters 76 _refine_ls_number_restraints 0 _refine_ls_R_factor_all 0.01988 _refine_ls_shift/su_max 0.00486 _cod_data_source_file kd5057.cif _cod_data_source_block I _cod_original_sg_symbol_Hall '-C 2Y ' _cod_original_sg_symbol_H-M 'C 2/m ' _cod_original_formula_sum 'Cl2 H8 Mg O12 ' _cod_database_code 2105060 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 'x, y, z' 2 '-x, y, -z' 3 '-x, -y, -z' 4 'x, -y, z' 5 '1/2+x, 1/2+y, z' 6 '1/2-x, 1/2+y, -z' 7 '1/2-x, 1/2-y, -z' 8 '1/2+x, 1/2-y, z' loop_ _atom_site_type_symbol _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_occupancy Cl Cl 0.2974(2) 0.00000 0.3935(5) 0.0373 Uani 1.0000 Mg Mg 0.00000 0.00000 0.00000 0.0255 Uani 1.0000 O O1 0.1627(3) 0.00000 0.3207(6) 0.0461 Uani 1.0000 O O2 0.3321(2) 0.1458(3) 0.3056(6) 0.1046 Uani 1.0000 O O3 0.3507(3) 0.00000 0.6526(8) 0.0696 Uani 1.0000 O O4 0.00000 0.2513(5) 0.00000 0.0566 Uani 1.0000 O O5 -0.1013(4) 0.00000 0.2218(9) 0.0567 Uani 1.0000 H H1 0.036(5) 0.312(4) 0.121(6) 0.095(15) Uiso 1.0000 H H2 -0.124(2) -0.099(4) 0.222(6) 0.079(17) Uiso 1.0000 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 Cl 0.023(2) 0.042(2) 0.046(3) 0.0000 0.0127(19) 0.0000 Mg 0.025(2) 0.037(3) 0.018(3) 0.0000 0.0116(19) 0.0000 O1 0.014(4) 0.099(4) 0.021(4) 0.0000 0.001(3) 0.0000 O2 0.102(4) 0.091(2) 0.138(4) -0.033(2) 0.064(3) 0.040(2) O3 0.049(5) 0.092(4) 0.036(4) 0.0000 -0.021(3) 0.0000 O4 0.078(6) 0.033(5) 0.047(4) 0.0000 0.010(5) 0.0000 O5 0.054(4) 0.090(6) 0.045(3) 0.0000 0.041(2) 0.0000 loop_ _atom_type_symbol _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag Cl 0.35224 0.70006 Mg 0.16790 0.17690 O 0.04556 0.03205 H -0.00053 0.00000 loop_ _diffrn_radiation_wavelength 1.5406 1.5444 loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle_site_symmetry_3 _geom_angle O1 Cl O2 . 108.34(15) O1 Cl O3 . 107.2(3) O2 Cl O2 4_555 113.3(4) O2 Cl O3 . 109.72(17) O1 Mg O5 . 86.78(14) O1 Mg O5 2_555 93.22(14) Mg O4 H1 . 126.(2) H1 O4 H1 2_555 109.(4) Mg O5 H2 . 104.(3) H2 O5 H2 4_555 144.(4) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance Cl O1 1.440(4) Cl O2 1.397(4) Cl O3 1.423(5) Mg O1 2.100(3) Mg O4 2.011(4) Mg O5 2.061(6) O4 H1 0.83(3) O5 H2 0.83(3)