#------------------------------------------------------------------------------ #$Date: 2008-03-10 10:25:41 +0200 (Mon, 10 Mar 2008) $ #$Revision: 255 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9007424.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_9007424 loop_ _publ_author_name 'Auzende A L' 'Pellenq R J M' 'Devouard B' 'Baronnet A' 'Grauby O' _publ_section_title ; Atomistic calculations of structural and elastic properties of serpentine minerals: the case of lizardite Note: 1T polytype Note: Hypothetical structure derived using semi-empirical potentials ; _journal_name_full 'Physics and Chemistry of Minerals' _journal_page_first 266 _journal_page_last 275 _journal_volume 33 _journal_year 2006 _chemical_formula_sum 'Mg3 Si2 O9 H4' _chemical_name_mineral Lizardite _symmetry_space_group_name_H-M 'P 1' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 5.434 _cell_length_b 5.434 _cell_length_c 7.153 _cell_volume 182.919 loop_ _symmetry_equiv_pos_as_xyz x,y,z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Mg5 0.32662 0.99995 0.44205 1.00000 Mg6 0.99074 0.33583 0.44205 1.00000 Mg7 0.65485 0.66406 0.44205 1.00000 Si17 0.32407 0.66661 0.06394 1.00000 Si18 0.65740 0.33328 0.06394 1.00000 O8 0.32407 0.66661 0.28745 0.50000 O9 0.65740 0.33328 0.28745 0.50000 O10 0.48989 0.99994 0.98733 0.50000 O11 0.99073 0.49910 0.98733 0.50000 O12 0.49158 0.50079 0.98733 0.50000 O19 0.32407 0.66661 0.27059 0.50000 O20 0.65740 0.33328 0.27059 0.50000 O21 0.49025 0.99995 0.00082 0.50000 O22 0.99073 0.49946 0.00082 0.50000 O23 0.49121 0.50042 0.00082 0.50000 O-h13 0.65868 0.99994 0.60138 0.50000 O-h14 0.99073 0.66789 0.60139 0.50000 O-h15 0.32279 0.33200 0.60139 0.50000 O-h16 0.99073 0.99994 0.26144 0.50000 O-h24 0.65848 0.99995 0.59206 0.50000 O-h25 0.99074 0.66769 0.59207 0.50000 O-h26 0.32298 0.33219 0.59207 0.50000 O-h27 0.99073 0.99994 0.26887 0.50000 H1 0.65832 0.99994 0.72593 1.00000 H2 0.99073 0.66753 0.72594 1.00000 H3 0.32315 0.33236 0.72594 1.00000 H4 0.99073 0.99994 0.13528 1.00000