#------------------------------------------------------------------------------ #$Date: 2013-03-28 18:17:04 +0200 (Thu, 28 Mar 2013) $ #$Revision: 77586 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/01/12/1011249.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_1011249 loop_ _publ_author_name 'Andress, K R' 'Gundermann, J' _publ_section_title ; Die Struktur von Magnesiumchlorid- und Magnesiumbromidhexahydrat. ; _journal_coden_ASTM ZEKGAX _journal_name_full ; Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977) ; _journal_page_first 345 _journal_page_last 369 _journal_volume 87 _journal_year 1934 _chemical_formula_structural 'Mg Cl2 (H2 O)6' _chemical_formula_sum 'Cl2 H12 Mg O6' _chemical_name_mineral Bischofite _chemical_name_systematic 'Magnesium chloride hexahydrate' _symmetry_cell_setting monoclinic _symmetry_Int_Tables_number 12 _symmetry_space_group_name_H-M 'C 1 2/m 1' _cell_angle_alpha 90 _cell_angle_beta 94.00(33) _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 9.90(3) _cell_length_b 7.15(3) _cell_length_c 6.10(3) _cell_volume 430.7 _exptl_crystal_density_meas 1.56 _[local]_cod_chemical_formula_sum_orig 'H12 Cl2 Mg O6' _cod_database_code 1011249 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 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+ 2 a 0. 0. 0. 1. 0 d Cl1 Cl1- 4 i 0.318(2) 0. 0.615(3) 1. 0 d O1 O2- 4 i 0.200(5) 0. 0.110(3) 1. 2 d O2 O2- 8 j 0.960(3) 0.200(5) 0.225(3) 1. 2 d H1 H1+ 4 i -1. -1. -1. 6. 0 dum loop_ _atom_type_symbol _atom_type_oxidation_number Mg2+ 2.000 Cl1- -1.000 O2- -2.000 H1+ 1.000