#------------------------------------------------------------------------------ #$Date: 2013-03-28 18:17:04 +0200 (Thu, 28 Mar 2013) $ #$Revision: 77586 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/10/00/1100089.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_1100089 loop_ _publ_author_name 'Ferraris, G' 'Jones, D W' _journal_name_full ; Journal of the Chemical Society. Dalton Transactions, Inorganic Chemistry (1972-) ; _journal_page_first 816 _journal_page_last 821 _journal_volume 1973 _journal_year 1973 _chemical_name_mineral Epsomite _chemical_name_systematic 'Magnesium sulfate heptahydrate' _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 19 _symmetry_space_group_name_H-M 'P 21 21 21' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 11.868(10) _cell_length_b 11.996(10) _cell_length_c 6.857(7) _cell_volume 976.2 _exptl_crystal_density_meas 1.68 _cod_database_code 1100089 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2-x,-y,1/2+z 1/2+x,1/2-y,-z -x,1/2+y,1/2-z 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+ 4 a 0.4226(3) 0.1060(3) 0.0392(6) 1. 0 d S1 S6+ 4 a 0.7259(5) 0.1835(6) 0.4909(9) 1. 0 d O1 O2- 4 a 0.6857(4) 0.0747(3) 0.4266(7) 1. 0 d O2 O2- 4 a 0.8498(2) 0.1869(4) 0.4835(6) 1. 0 d O3 O2- 4 a 0.6884(3) 0.2063(4) 0.6908(6) 1. 0 d O4 O2- 4 a 0.6807(3) 0.2722(3) 0.3617(6) 1. 0 d O5 O2- 4 a 0.2651(3) 0.1743(4) 0.0026(7) 1. 2 d O6 O2- 4 a 0.4724(3) 0.2478(3) 0.1990(5) 1. 2 d O7 O2- 4 a 0.4696(3) 0.1775(4) -0.2214(6) 1. 2 d O8 O2- 4 a 0.5828(3) 0.0462(4) 0.0787(7) 1. 2 d O9 O2- 4 a 0.3760(3) -0.0387(3) -0.1118(6) 1. 2 d O10 O2- 4 a 0.3621(4) 0.0342(3) 0.2929(6) 1. 2 d O11 O2- 4 a 0.4908(4) 0.4375(4) 0.9383(6) 1. 2 d H1 H1+ 4 a 0.2346(6) 0.2215(6) 0.1058(11) 1. 0 d H2 H1+ 4 a 0.2377(5) 0.1990(7) -0.1222(11) 1. 0 d H3 H1+ 4 a 0.4216(5) 0.2719(6) 0.3044(12) 1. 0 d H4 H1+ 4 a 0.5478(5) 0.2518(5) 0.2596(10) 1. 0 d H5 H1+ 4 a 0.4236(5) 0.2222(6) -0.3062(11) 1. 0 d H6 H1+ 4 a 0.5479(5) 0.1842(6) -0.2569(9) 1. 0 d H7 H1+ 4 a 0.6271(6) 0.0574(6) 0.1934(12) 1. 0 d H8 H1+ 4 a 0.6139(8) -0.0176(9) 0.0170(15) 1. 0 d H9 H1+ 4 a 0.3668(5) -0.1065(6) -0.0357(12) 1. 0 d H10 H1+ 4 a 0.4217(7) -0.0541(6) -0.2239(13) 1. 0 d H11 H1+ 4 a 0.2840(6) 0.0262(7) 0.3207(11) 1. 0 d H12 H1+ 4 a 0.4067(7) 0.0001(6) 0.3926(11) 1. 0 d H13 H1+ 4 a 0.4252(7) 0.4834(7) 0.9562(12) 1. 0 d H14 H1+ 4 a 0.4746(7) 0.3681(7) 1.0014(15) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Mg2+ 2.000 S6+ 6.000 O2- -2.000 H1+ 1.000