#------------------------------------------------------------------------------ #$Date: 2013-03-28 18:17:04 +0200 (Thu, 28 Mar 2013) $ #$Revision: 77586 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/46/9004625.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_9004625 loop_ _publ_author_name 'Basciano, L. C.' 'Groat, L. A.' 'Roberts, A. C.' 'Gault, R. A.' 'Dunning, G. E.' 'Walstrom, R. E.' _publ_section_title ;Bigcreekite: A new barium silicate mineral species from Fresno County, California Locality: Fresno County, California, USA ; _journal_name_full 'The Canadian Mineralogist' _journal_page_first 761 _journal_page_last 768 _journal_volume 39 _journal_year 2001 _chemical_formula_sum 'Ba H8 O9 Si2' _chemical_name_mineral Bigcreekite _space_group_IT_number 62 _symmetry_space_group_name_Hall '-P 2ac 2n' _symmetry_space_group_name_H-M 'P n m a' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 5.0453 _cell_length_b 9.044 _cell_length_c 18.366 _cell_volume 838.035 _exptl_crystal_density_diffrn 2.739 _[local]_cod_chemical_formula_sum_orig 'Ba Si2 O9 H8' _cod_database_code 9004625 _amcsd_database_code AMCSD#0005678 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,1/2-y,z -x,1/2+y,-z 1/2-x,1/2+y,1/2+z 1/2+x,1/2-y,1/2-z 1/2+x,y,1/2-z 1/2-x,-y,1/2+z -x,-y,-z 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 Ba 0.02450 0.01540 0.00840 0.00000 0.00081 0.00000 Si 0.00980 0.01120 0.00540 -0.00010 0.00030 -0.00090 O(1) 0.00970 0.01530 0.01480 -0.00140 -0.00150 0.00320 O(2) 0.01920 0.01870 0.00910 0.00020 0.00230 -0.00350 O(3) 0.01770 0.01240 0.01760 0.00000 -0.00120 0.00000 Wat(4) 0.02360 0.02430 0.01710 0.00000 0.00130 0.00000 Wat(5) 0.02230 0.04080 0.01620 -0.00400 0.00180 -0.00720 Wat(6) 0.06890 0.01910 0.03060 0.00000 -0.02600 0.00000 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Ba 0.18514 0.25000 0.55389 0.01610 Si 0.16660 0.07197 0.20374 0.00880 O(1) 0.38060 0.01460 0.26490 0.01330 O(2) 0.21390 0.00680 0.12480 0.01570 O(3) 0.17000 0.25000 0.20390 0.01590 Wat(4) 0.19450 0.25000 0.02460 0.02170 Wat(5) 0.20190 0.04100 0.44100 0.02640 Wat(6) 0.25400 0.25000 0.84480 0.03950