#------------------------------------------------------------------------------ #$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $ #$Revision: 14 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9001511.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_9001511 _chemical_name 'Clinoptilolite' loop_ _publ_author_name 'Armbruster T' _journal_name_full "American Mineralogist" _journal_volume 78 _journal_year 1993 _journal_page_first 260 _journal_page_last 264 _publ_section_title ; Dehydration mechanism of clinoptilolite and heulandite: Single-crystal X-ray study of Na-poor, Ca-, K-, Mg-rich clinoptilolite at 100 K Sample Dehyd 2 Data obtained from the ICSD ; _chemical_formula_sum '(Si14.52 Al3.48) O38.58 Na.42 Ca.22 Ba.16 K1.06 H3.18' _cell_length_a 17.619 _cell_length_b 17.503 _cell_length_c 7.371 _cell_angle_alpha 90 _cell_angle_beta 116.71 _cell_angle_gamma 90 _cell_volume 2030.552 _symmetry_space_group_name_H-M 'C 1 2/m 1' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,z' '1/2+x,1/2-y,z' '-x,y,-z' '1/2-x,1/2+y,-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_Uiso_or_equiv Si1 0.17990 0.16500 0.09550 0.80000 ? Al1 0.17990 0.16500 0.09550 0.20000 ? Si2 0.29380 0.08940 0.50500 0.70000 ? Al2 0.29380 0.08940 0.50500 0.30000 ? Si3 0.28820 0.31310 0.27590 0.83000 ? Al3 0.28820 0.31310 0.27590 0.17000 ? Si4 0.06570 0.29110 0.41580 0.84000 ? Al4 0.06570 0.29110 0.41580 0.16000 ? Si5 0.00000 0.20860 0.00000 0.92000 ? Al5 0.00000 0.20860 0.00000 0.08000 ? O1 0.31420 0.00000 0.55500 1.00000 ? O2 0.24310 0.11770 0.63080 1.00000 ? O3 0.19030 0.14430 -0.10840 1.00000 ? O4 0.23710 0.10110 0.26180 1.00000 0.05000 O5 0.00000 0.31580 0.50000 1.00000 ? O6 0.08150 0.15530 0.05160 1.00000 ? O7 0.37110 0.27450 0.44830 1.00000 ? O8 0.01360 0.26250 0.18830 1.00000 ? O9 0.21270 0.25100 0.17010 1.00000 ? O10 0.11580 0.36710 0.41440 1.00000 ? Na 0.20800 0.00000 0.78800 0.21000 ? Ca 0.45600 0.00000 0.72800 0.11000 ? Ba 0.24420 0.50000 0.06350 0.08000 ? K1 0.24420 0.50000 0.06350 0.43000 ? K2 0.22000 0.00000 0.01000 0.10000 0.05000 O-H11 0.08600 0.00000 0.88600 0.27000 ? O-H12 0.39600 0.92000 0.07500 0.39000 ? O-H13 0.00000 0.50000 0.50000 0.40000 ? O-H14 0.10600 0.00000 0.11000 0.04000 ?