#------------------------------------------------------------------------------ #$Date: 2016-07-12 10:41:42 +0300 (Tue, 12 Jul 2016) $ #$Revision: 184397 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/10/00/1100080.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_1100080 loop_ _publ_author_name 'Anderson, L.' 'Lindquist, O.' _publ_section_title ; Neutron Diffraction Refinement of Magnesium Sulfite Hexahydrate, MgSO~3~.(H~2~O)~6~ ; _journal_coden_ASTM ACSCEE _journal_issue 4 _journal_name_full ; Acta Crystallographica, Section C: Crystal Structure Communications ; _journal_page_first 584 _journal_page_last 586 _journal_paper_doi 10.1107/S0108270184004972 _journal_volume 40 _journal_year 1984 _chemical_formula_structural 'Mg S O3 (H2 O)6' _chemical_formula_sum 'H12 Mg O9 S' _chemical_name_systematic 'Magnesium sulfate(IV) hexahydrate' _space_group_IT_number 146 _symmetry_cell_setting trigonal _symmetry_space_group_name_Hall 'P 3*' _symmetry_space_group_name_H-M 'R 3 :R' _cell_angle_alpha 96.28(2) _cell_angle_beta 96.28(2) _cell_angle_gamma 96.28(2) _cell_formula_units_Z 1 _cell_length_a 5.933(2) _cell_length_b 5.933(2) _cell_length_c 5.933(2) _cell_volume 204.8 _refine_ls_R_factor_all 0.036 _cod_depositor_comments ; Correcting the sign of the 'O2' atom z coordinate after consulting the original publication. Antanas Vaitkus, 2016-07-04 Correcting the '_atom_site_attached_hydrogens' values. Oxygen atoms 'O2' and 'O3' were both marked as having two attached hydrogens even though coordinates for these hydrogens were given explicitly. The number of attached hydrogens was changed from '2' to '0' for these atoms. Antanas Vaitkus, 2016-07-12 ; _cod_original_sg_symbol_H-M 'R 3 R' _cod_database_code 1100080 loop_ _symmetry_equiv_pos_as_xyz x,y,z y,z,x z,x,y loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Mg1 Mg2+ 1 a 0. 0. 0. 1. 0 d S1 S4+ 1 a 0.5021(6) 0.5021(6) 0.5021(6) 1. 0 d O1 O2- 3 b 0.5598(3) 0.4826(3) 0.2565(3) 1. 0 d O2 O2- 3 b -0.3165(3) -0.1254(3) 0.0765(4) 1. 0 d O3 O2- 3 b 0.3288(3) 0.1464(3) -0.0496(3) 1. 0 d H1 H1+ 3 b -0.4523(5) -0.0624(5) 0.0258(6) 1. 0 d H2 H1+ 3 b -0.3632(5) -0.2635(5) 0.1408(6) 1. 0 d H3 H1+ 3 b 0.4036(5) 0.2737(5) 0.0651(5) 1. 0 d H4 H1+ 3 b 0.36722(5) 0.1930(5) -0.1956(5) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Mg2+ 2.000 S4+ 4.000 O2- -2.000 H1+ 1.000