#------------------------------------------------------------------------------ #$Date: 2013-05-05 17:21:46 +0300 (Sun, 05 May 2013) $ #$Revision: 85285 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/05/9010542.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9010542 loop_ _publ_author_name 'Hawthorne, F. C.' 'Oberti, R.' 'Sardone, N.' _publ_section_title ; Sodium at the A site in clinoamphiboles: the effects of composition on patterns of order Sample: A12 - KP N.1 ; _journal_name_full 'The Canadian Mineralogist' _journal_page_first 577 _journal_page_last 593 _journal_volume 34 _journal_year 1996 _chemical_formula_sum 'Al2.04 Ca1.76 F0.04 Fe0.69 H1.96 K0.038 Mg3.23 Na1.204 O23.96 Si7.04' _chemical_name_mineral Pargasite _space_group_IT_number 12 _symmetry_space_group_name_Hall '-C 2y' _symmetry_space_group_name_H-M 'C 1 2/m 1' _cell_angle_alpha 90 _cell_angle_beta 105.28 _cell_angle_gamma 90 _cell_length_a 9.862 _cell_length_b 17.928 _cell_length_c 5.295 _cell_volume 903.093 _exptl_crystal_density_diffrn 3.146 _[local]_cod_chemical_formula_sum_orig 'Si7.04 Al2.04 Mg3.23 Fe.69 Ca1.76 Na1.204 K.038 H1.96 O23.96 F.04' _cod_database_code 9010542 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_U_iso_or_equiv SiT1 0.28000 0.08590 0.30320 0.76000 0.00621 AlT1 0.28000 0.08590 0.30320 0.24000 0.00621 SiT2 0.29070 0.17370 0.81470 1.00000 0.00621 MgM1 0.00000 0.09000 0.50000 0.84000 0.00671 FeM1 0.00000 0.09000 0.50000 0.16000 0.00671 AlM2 0.00000 0.17700 0.00000 0.54000 0.00633 FeM2 0.00000 0.17700 0.00000 0.06000 0.00633 MgM2 0.00000 0.17700 0.00000 0.40000 0.00633 MgM3 0.00000 0.00000 0.00000 0.75000 0.00621 FeM3 0.00000 0.00000 0.00000 0.25000 0.00621 CaM4 0.00000 0.28030 0.50000 0.88000 0.00912 NaM4 0.00000 0.28030 0.50000 0.12000 0.00912 NaAm 0.01000 0.50000 0.01910 0.12400 0.05269 KAm 0.01000 0.50000 0.01910 0.00500 0.05269 NaA2 0.00000 0.47060 0.00000 0.35800 0.03065 KA2 0.00000 0.47060 0.00000 0.01400 0.03065 H 0.21020 0.00000 0.77050 0.98000 0.07346 O1 0.10540 0.08880 0.21420 1.00000 0.01241 O2 0.11950 0.17360 0.73650 1.00000 0.00963 O-h3 0.10800 0.00000 0.71550 0.98000 0.01115 F3 0.10800 0.00000 0.71550 0.02000 0.01115 O4 0.36720 0.25090 0.79000 1.00000 0.01077 O5 0.35100 0.14080 0.11290 1.00000 0.01153 O6 0.34300 0.11590 0.61400 1.00000 0.01267 O7 0.33960 0.00000 0.27250 1.00000 0.01406