#------------------------------------------------------------------------------ #$Date: 2008-01-13 22:15:36 +0000 (Sun, 13 Jan 2008) $ #$Revision: 14 $ #$URL: svn://www.crystallography.net/cod/cif/9/9007413.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_9007413 _chemical_name 'Chondrodite' loop_ _publ_author_name 'Kunz M' 'Lager G A' 'Burgi H B' 'Fernandez-Diaz M T' _journal_name_full "Physics and Chemistry of Minerals" _journal_volume 33 _journal_year 2006 _journal_page_first 17 _journal_page_last 27 _publ_section_title ; High-temperature single-crystal neutron diffraction study of natural chondrodite Locality: Tilly Foster Mine, Brewster, New York Sample: T = 900 K ; _chemical_formula_sum 'Mg4.88 Fe.12 Si2 O8.86 H.86 F1.14' _cell_length_a 4.7501 _cell_length_b 10.3297 _cell_length_c 7.91912 _cell_angle_alpha 109.048 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 367.293 _symmetry_space_group_name_H-M 'P 21/b 1 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_occupancy _atom_site_Uiso_or_equiv Mg1 0.50000 0.00000 0.50000 0.88000 0.01440 Fe1 0.50000 0.00000 0.50000 0.12000 0.01440 Mg2 0.01060 0.17278 0.30770 1.00000 0.01280 Mg3 0.49100 0.88556 0.07850 1.00000 0.01370 Si 0.07660 0.14445 0.70390 1.00000 0.00870 O1 0.78000 0.00004 0.29439 1.00000 0.01280 O2 0.72590 0.24156 0.12591 1.00000 0.01350 O3 0.22330 0.16916 0.52968 1.00000 0.01300 O4 0.26260 0.85449 0.29471 1.00000 0.01280 O-h5 0.24700 0.05290 0.09210 0.43000 0.01720 H 0.09240 0.01460 0.02150 0.43000 0.04100 F 0.26930 0.05890 0.10430 0.57000 0.01720