#------------------------------------------------------------------------------ #$Date: 2016-02-14 16:26:36 +0200 (Sun, 14 Feb 2016) $ #$Revision: 176435 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/01/12/1011269.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_1011269 loop_ _publ_author_name 'Wyart, J' _publ_section_title 'Recherches sur les zeolites' _journal_coden_ASTM BSFMAU _journal_name_full ; Bulletin de la Societe Francaise de Mineralogie (-71,1948) ; _journal_page_first 81 _journal_page_last 187 _journal_volume 56 _journal_year 1933 _chemical_compound_source 'from Oregon or Greenland or Bohemia' _chemical_formula_structural 'Ca2 Al4 Si8 O24 (H2 O)12' _chemical_formula_sum 'Al4 Ca2 H24 O36 Si8' _chemical_name_mineral Chabazite _chemical_name_systematic ; Dicalcium tecto-tetraalumooctasilicate dodecahydrate ; _space_group_IT_number 166 _symmetry_cell_setting trigonal _symmetry_space_group_name_Hall '-P 3* 2' _symmetry_space_group_name_H-M 'R -3 m :R' _cell_angle_alpha 94.4 _cell_angle_beta 94.4 _cell_angle_gamma 94.4 _cell_formula_units_Z 1 _cell_length_a 9.39 _cell_length_b 9.39 _cell_length_c 9.39 _cell_volume 820.2 _exptl_crystal_density_meas 2.09 _cod_original_sg_symbol_H-M 'R -3 m R' _cod_original_formula_sum 'H24 Al4 Ca2 O36 Si8' _cod_database_code 1011269 loop_ _symmetry_equiv_pos_as_xyz x,y,z y,x,z y,z,x x,z,y z,x,y z,y,x -x,-y,-z -y,-x,-z -y,-z,-x -x,-z,-y -z,-x,-y -z,-y,-x 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- 6 f 0. 0.34 -0.34 1. 0 d O2 O2- 6 g 0.14 0.5 -0.14 1. 0 d O3 O2- 6 h 0.35 0.35 0.02 1. 0 d O4 O2- 6 h 0.13 0.5 0.13 1. 0 d Al1 Al3+ 12 i 0.23 0.44 0.01 0.3333 0 d Si1 Si4+ 12 i 0.23 0.44 0.01 0.6667 0 d Ca1 Ca2+ 2 c 0.17 0.17 0.17 1. 0 d O5 O2- 6 h 0.31 0.7 0.31 1. 2 d O6 O2- 6 h 0.14 0.14 0.08 1. 2 d H1 H1+ 6 h -1. -1. -1. 4. 0 dum loop_ _atom_type_symbol _atom_type_oxidation_number O2- -2.000 Al3+ 3.000 Si4+ 4.000 Ca2+ 2.000 H1+ 1.000