#------------------------------------------------------------------------------ #$Date: 2012-02-28 17:44:07 +0200 (Tue, 28 Feb 2012) $ #$Revision: 35913 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/98/9009827.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_9009827 loop_ _publ_author_name 'Groat, L. A.' 'Hawthorne, F. C.' _publ_section_title ; Refinement of the structure of papagoite, CaCuAlSi2O6(OH)3 Locality: Ajo, Pima County, Arizona, USA Note: U(1,1)(O3) changed from .0068 to match reported Uiso ; _journal_name_full 'Mineralogy and Petrology' _journal_page_first 89 _journal_page_last 96 _journal_volume 37 _journal_year 1987 _chemical_formula_sum 'Al Ca Cu O9 Si2' _chemical_name_mineral Papagoite _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 100.81 _cell_angle_gamma 90 _cell_length_a 12.926 _cell_length_b 11.496 _cell_length_c 4.696 _cell_volume 685.430 _exptl_crystal_density_diffrn 3.205 _[local]_cod_chemical_formula_sum_orig 'Ca Cu Al Si2 O9' _cod_database_code 9009827 _amcsd_database_code AMCSD#0013088 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_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 0.00490 0.00970 0.01770 0.00000 0.00060 0.00000 Cu 0.00880 0.00490 0.00810 0.00000 -0.00180 0.00000 Al 0.00470 0.00590 0.00530 0.00070 0.00220 -0.00030 Si 0.00400 0.00540 0.00560 -0.00030 0.00110 -0.00090 O1 0.01010 0.00660 0.00790 -0.00020 -0.00180 0.00000 O2 0.00870 0.00650 0.00690 -0.00010 0.00020 0.00070 O3 0.00860 0.00720 0.00770 0.00000 -0.00150 0.00000 O4 0.00730 0.01060 0.01620 0.00000 0.00450 0.00000 O5 0.00760 0.01060 0.00950 -0.00010 0.00430 -0.00330 O6 0.01350 0.00740 0.01090 0.00000 -0.00300 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 0.00000 0.15530 0.50000 0.01100 Cu 0.26873 0.50000 0.44610 0.00770 Al 0.25000 0.25000 0.50000 0.00510 Si 0.38740 0.13238 0.06780 0.00490 O1 0.20050 0.36970 0.22590 0.00860 O2 0.16310 0.12680 0.30730 0.00740 O3 0.42340 0.50000 0.23170 0.00800 O4 0.00000 0.31980 0.00000 0.01100 O5 0.36150 0.22090 0.30580 0.00890 O6 0.40130 0.00000 0.19310 0.01100