#------------------------------------------------------------------------------ #$Date: 2010-01-30 13:59:17 +0000 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$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 loop_ _publ_author_name 'Kunz M' 'Lager G A' 'Burgi H B' 'Fernandez-Diaz M T' _publ_section_title ; High-temperature single-crystal neutron diffraction study of natural chondrodite Locality: Tilly Foster Mine, Brewster, New York Sample: T = 900 K ; _journal_name_full 'Physics and Chemistry of Minerals' _journal_page_first 17 _journal_page_last 27 _journal_volume 33 _journal_year 2006 _chemical_formula_sum 'F1.14 Fe0.12 H0.86 Mg4.88 O8.86 Si2' _chemical_name_mineral Chondrodite _symmetry_space_group_name_H-M 'P 21/b 1 1' _cell_angle_alpha 109.048 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 4.7501 _cell_length_b 10.3297 _cell_length_c 7.91912 _cell_volume 367.293 _diffrn_ambient_temperature 900 _[local]_cod_chemical_formula_sum_orig 'Mg4.88 Fe.12 Si2 O8.86 H.86 F1.14' 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_U_iso_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 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Mg1 0.01050 0.01610 0.01410 0.00200 0.00230 0.00160 Fe1 0.01050 0.01610 0.01410 0.00200 0.00230 0.00160 Mg2 0.01220 0.01270 0.01440 0.00070 -0.00040 0.00550 Mg3 0.01300 0.01510 0.01340 -0.00030 -0.00150 0.00520 Si 0.00500 0.01040 0.01050 -0.00020 -0.00020 0.00310 O1 0.01150 0.01090 0.01690 0.00060 0.00070 0.00570 O2 0.01110 0.01330 0.01270 -0.00040 0.00100 -0.00060 O3 0.01060 0.01830 0.01180 -0.00050 0.00050 0.00740 O4 0.00590 0.01700 0.01540 -0.00010 0.00040 0.00500 Oh5 0.01550 0.01720 0.01880 0.00100 0.00310 0.00560 H 0.02900 0.04400 0.04200 -0.00600 -0.00700 0.00400 F 0.01550 0.01720 0.01880 0.00100 0.00310 0.00560 _cod_database_code 9007413