#------------------------------------------------------------------------------ #$Date: 2008-03-10 10:25:41 +0200 (Mon, 10 Mar 2008) $ #$Revision: 255 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9006105.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_9006105 loop_ _publ_author_name 'Comodi P' 'Mellini M' 'Zanazzi P F' _publ_section_title ; Magnesiochloritoid: compressibility and high pressure structure refinement Sample: LRS (limited reciprocal space), P = 0.001 kbar ; _journal_name_full 'Physics and Chemistry of Minerals' _journal_page_first 483 _journal_page_last 490 _journal_volume 18 _journal_year 1992 _chemical_formula_sum 'Al2 (Mg.65 Fe.35) Si (O7 H2)' _chemical_name_mineral Magnesiochloritoid _symmetry_space_group_name_H-M 'C 1 2/c 1' _cell_angle_alpha 90 _cell_angle_beta 101.42 _cell_angle_gamma 90 _cell_length_a 9.434 _cell_length_b 5.452 _cell_length_c 18.136 _cell_volume 914.342 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2+y,z x,-y,1/2+z 1/2+x,1/2-y,1/2+z -x,y,1/2-z 1/2-x,1/2+y,1/2-z -x,-y,-z 1/2-x,1/2-y,-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Al1A 0.25000 0.25000 0.00000 1.00000 0.00500 Al2A 0.00000 0.40280 0.25000 1.00000 0.00420 Mg1B 0.08400 0.74570 0.00090 0.65000 0.00550 Fe1B 0.08400 0.74570 0.00090 0.35000 0.00550 Al2B 0.24980 0.65390 0.24880 1.00000 0.00410 Si 0.46350 0.40290 0.15490 1.00000 0.00360 O-H1A 0.11560 0.39210 0.05500 1.00000 0.00660 O-H1B 0.26520 0.94510 0.05120 1.00000 0.00640 O1C 0.42650 0.39770 0.06340 1.00000 0.00780 O2A 0.39440 0.15900 0.18840 1.00000 0.00440 O2B 0.39480 0.64810 0.18770 1.00000 0.00410 O2C 0.13940 0.90390 0.18690 1.00000 0.00460 O2D 0.14820 0.40190 0.20050 1.00000 0.00340