#------------------------------------------------------------------------------ #$Date: 2014-07-12 11:06:43 +0300 (Sat, 12 Jul 2014) $ #$Revision: 120115 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/74/9007487.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_9007487 loop_ _publ_author_name 'Cannillo, E.' 'Coda, A.' 'Fagnani, G.' _publ_section_title ; The crystal structure of bavenite ; _journal_name_full 'Acta Crystallographica' _journal_page_first 301 _journal_page_last 309 _journal_volume 20 _journal_year 1966 _chemical_formula_sum 'Al2 Be2 Ca4 H2 O28 Si9' _chemical_name_mineral Bavenite _space_group_IT_number 63 _symmetry_space_group_name_Hall '-C 2c 2' _symmetry_space_group_name_H-M 'C m c m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 23.19 _cell_length_b 5.005 _cell_length_c 19.39 _cell_volume 2250.519 _exptl_crystal_density_diffrn 2.760 _[local]_cod_chemical_formula_sum_orig 'Ca4 Be2 Al2 Si9 O28 H2' _cod_database_code 9007487 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2+y,z x,-y,1/2+z 1/2+x,1/2-y,1/2+z -x,y,1/2-z 1/2-x,1/2+y,1/2-z -x,y,z 1/2-x,1/2+y,z x,-y,-z 1/2+x,1/2-y,-z x,y,1/2-z 1/2+x,1/2+y,1/2-z -x,-y,1/2+z 1/2-x,1/2-y,1/2+z -x,-y,-z 1/2-x,1/2-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 Ca 0.01440 0.02234 0.01225 0.00000 0.00000 0.00125 Be2 0.02402 0.01597 0.01210 0.00389 0.00000 0.00000 Al4 0.01000 0.01689 0.01000 0.00000 0.00000 0.00024 Si1 0.00490 0.01440 0.01000 0.00000 0.00000 0.00000 Si3 0.01000 0.01690 0.00810 0.00000 0.00000 0.00000 Si5 0.00810 0.01956 0.00813 0.00000 0.00000 0.00060 Si6 0.00816 0.01433 0.00810 -0.00065 0.00000 0.00000 O1 0.01690 0.00758 0.00881 0.00000 0.00000 -0.00169 O2 0.01690 0.02250 0.01210 0.00000 0.00000 0.00000 O3 0.01902 0.02371 0.01300 0.00352 0.00485 -0.00035 O4 0.01618 0.01952 0.01325 0.00335 0.00218 0.00238 O5 0.01381 0.01827 0.01390 0.00255 -0.00131 -0.00022 O6 0.01058 0.02129 0.01290 -0.00102 0.00056 0.00343 O7 0.01396 0.01588 0.01344 -0.00135 0.00072 0.00123 O8 0.01059 0.01631 0.01960 -0.00192 0.00000 0.00000 O9 0.00813 0.01210 0.01440 0.00034 0.00000 0.00000 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Ca 0.08420 0.24250 0.15240 0.01634 Be2 0.12520 0.82180 0.25000 0.01735 Al4 0.09580 0.50000 0.00000 0.01229 Si1 0.00000 0.78020 0.25000 0.00975 Si3 0.00000 0.72270 0.10470 0.01165 Si5 0.17040 0.00000 0.00000 0.01191 Si6 0.21410 0.85390 0.14280 0.01026 O1 0.00000 0.57690 0.18300 0.01115 O2 0.00000 0.03020 0.11390 0.01722 O3 0.05720 0.59760 0.07180 0.01862 O4 0.13140 0.22980 0.03610 0.01634 O5 0.20810 0.86360 0.05980 0.01532 O6 0.23370 0.55750 0.16460 0.01494 O7 0.15470 0.92450 0.17990 0.01444 O8 0.12110 0.48680 0.25000 0.01545 O9 0.05860 0.95040 0.25000 0.01153 H 0.10000 0.26700 0.25000 ? _journal_paper_doi 10.1107/S0365110X66000586