#------------------------------------------------------------------------------ #$Date: 2023-03-26 11:09:57 +0300 (Sun, 26 Mar 2023) $ #$Revision: 282068 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/74/9007428.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_9007428 loop_ _publ_author_name 'Megaw, H. D.' _publ_section_title ; The structure of afwillite, Ca3(SiO3OH)2*2H2O ; _journal_name_full 'Acta Crystallographica' _journal_page_first 477 _journal_page_last 491 _journal_paper_doi 10.1107/S0365110X52001404 _journal_volume 5 _journal_year 1952 _chemical_compound_source 'Scawt Hill, Northern Ireland' _chemical_formula_sum 'Ca3 H6 O10 Si2' _chemical_name_mineral Afwillite _space_group_IT_number 9 _symmetry_space_group_name_Hall 'C -2yc' _symmetry_space_group_name_H-M 'C 1 c 1' _cell_angle_alpha 90 _cell_angle_beta 134.80 _cell_angle_gamma 90 _cell_length_a 16.27 _cell_length_b 5.632 _cell_length_c 13.23 _cell_volume 860.212 _database_code_amcsd 0009147 _exptl_crystal_density_diffrn 2.644 _cod_original_cell_volume 860.213 _cod_original_formula_sum 'Ca3 Si2 O10 H6' _cod_database_code 9007428 loop_ _space_group_symop_operation_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 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Ca1 0.19680 0.03480 0.29200 0.01773 Ca2 0.80120 0.04850 0.20930 0.01773 Ca3 0.50370 0.03620 0.02880 0.01773 Si1 0.11750 0.04420 0.00070 0.01773 Si2 0.86920 0.97530 0.99820 0.01773 O1 0.99180 0.91520 0.34100 0.01773 O-H2 0.99920 0.90450 0.15380 0.01773 O3 0.78370 0.96950 0.02070 0.01773 O-H4 0.21580 0.05450 0.98880 0.01773 O5 0.33120 0.73520 0.39050 0.01773 O6 0.36300 0.28200 0.43330 0.01773 O7 0.14730 0.26670 0.09830 0.01773 O8 0.13180 0.81250 0.07780 0.01773 Wat9 0.56300 0.97950 0.25830 0.01773 Wat10 0.41200 0.96930 0.26470 0.01773 loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0009147