#------------------------------------------------------------------------------ #$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: svn://www.crystallography.net/cod/cif/1/01/09/1010987.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_1010987 loop_ _publ_author_name 'Naray-Szabo, S' 'Taylor, W H' 'Jackson, W W' _publ_section_title 'The Structure of Cyanite' _journal_coden_ASTM ZEKGAX _journal_name_full ; Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977) ; _journal_page_first 117 _journal_page_last 130 _journal_volume 71 _journal_year 1929 _chemical_formula_structural 'Al2 O (Si O4)' _chemical_formula_sum 'Al2 O5 Si' _chemical_name_mineral Kyanite _chemical_name_systematic 'Dialuminium oxide silicate' _space_group_IT_number 2 _symmetry_cell_setting triclinic _symmetry_Int_Tables_number 2 _symmetry_space_group_name_Hall '-P 1' _symmetry_space_group_name_H-M 'P -1' _cell_angle_alpha 90.09 _cell_angle_beta 101.03 _cell_angle_gamma 105.74 _cell_formula_units_Z 4 _cell_length_a 7.09(2) _cell_length_b 7.72(4) _cell_length_c 5.56(2) _cell_volume 287.0 _exptl_crystal_density_meas 3.67 _cod_database_code 1010987 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,-z loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag O1 O2- 2 i 0.38 0.34 0.35 1. 0 d O2 O2- 2 i 0.38 -0.16 0.35 1. 0 d O3 O2- 2 i 0.22 0.07 -0.45 1. 0 d O4 O2- 2 i 0.22 -0.47 -0.45 1. 0 d O5 O2- 2 i 0.38 0.34 -0.15 1. 0 d O6 O2- 2 i 0.38 -0.16 -0.15 1. 0 d O7 O2- 2 i 0.22 0.07 0.05 1. 0 d O8 O2- 2 i 0.22 -0.47 0.05 1. 0 d O9 O2- 2 i 0. 0.25 0.25 1. 0 d O10 O2- 2 i 0. 0.25 -0.25 1. 0 d Si1 Si4+ 2 i 0.2 0.42 -0.2 1. 0 d Si2 Si4+ 2 i 0.2 0.18 0.3 1. 0 d Al1 Al3+ 2 i 0.19 -0.21 0.05 1. 0 d Al2 Al3+ 2 i 0.19 -0.21 0.45 1. 0 d Al3 Al3+ 2 i 0.39 0.09 -0.17 1. 0 d Al4 Al3+ 2 i 0.39 -0.41 0.33 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number O2- -2.000 Si4+ 4.000 Al3+ 3.000