data_9008087 _chemical_name 'Boussingaultite' loop_ _publ_author_name 'Margulis T N' 'Templeton D H' _journal_name_full "Zeitschrift fur Kristallographie" _journal_volume 117 _journal_year 1962 _journal_page_first 344 _journal_page_last 357 _publ_section_title ; Crystal structure and hydrogen bonding of magnesium ammonium sulfate hexahydrate ; _chemical_formula_sum 'Mg S2 O14 N2 H20' _cell_length_a 9.324 _cell_length_b 12.597 _cell_length_c 6.211 _cell_angle_alpha 90 _cell_angle_beta 107.14 _cell_angle_gamma 90 _cell_volume 697.110 _symmetry_space_group_name_H-M 'P 1 21/a 1' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2-y,z' '1/2-x,1/2+y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_Uiso_or_equiv Mg 0.00000 0.00000 0.00000 ? S 0.09530 -0.36050 0.25750 ? O1 -0.04690 -0.41740 0.21160 ? O2 0.21850 -0.43280 0.37180 ? O3 0.11850 -0.32110 0.04560 ? O4 0.09510 -0.27020 0.40890 ? O5 0.16030 -0.10940 -0.03070 ? O6 0.16850 0.10420 0.16560 ? O7 -0.00170 -0.06870 0.29860 ? N 0.13210 0.35090 0.36110 ? H1 0.21000 0.10000 0.30000 0.05066 H2 0.02000 -0.13100 0.32000 0.05066 H3 0.26000 -0.09000 0.05000 0.05066 H4 0.06000 0.33300 0.21000 0.05066 H5 0.15000 -0.17800 -0.01000 0.05066 H6 0.21000 0.30500 0.40000 0.05066 H7 0.17000 0.42200 0.36000 0.05066 H8 0.40000 -0.43800 0.31000 0.05066 H9 0.23000 0.12000 0.10000 0.05066 H10 0.09000 0.34600 0.45000 0.05066