#------------------------------------------------------------------------------ #$Date: 2023-05-23 11:35:25 +0300 (Tue, 23 May 2023) $ #$Revision: 283960 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/93/9009355.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_9009355 loop_ _publ_author_name 'Bonaccorsi, E.' 'Merlino, S.' 'Pasero, M.' _publ_section_title 'Trikalsilite: its structural relationships with nepheline and tetraskalsilite' _journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte' _journal_page_first 559 _journal_page_last 567 _journal_volume 1988 _journal_year 1988 _chemical_compound_source 'Near Mt. Nyiragongo, Virunga volcanic field, North Kivu, Zaire' _chemical_formula_sum 'Al3 K2 Na O12 Si3' _chemical_name_mineral Trikalsilite _space_group_IT_number 173 _symmetry_space_group_name_Hall 'P 6c' _symmetry_space_group_name_H-M 'P 63' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 6 _cell_length_a 15.339 _cell_length_b 15.339 _cell_length_c 8.501 _cell_volume 1732.187 _database_code_amcsd 0014833 _exptl_crystal_density_diffrn 2.637 _cod_original_formula_sum 'Na K2 Al3 Si3 O12' _cod_database_code 9009355 loop_ _space_group_symop_operation_xyz x,y,z x-y,x,1/2+z -y,x-y,z -x,-y,1/2+z -x+y,-x,z y,-x+y,1/2+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 _atom_site_type_symbol _atom_site_attached_hydrogens NaM2 0.36890 0.01330 0.75000 0.70000 0.02406 Na 0 KM2 0.36890 0.01330 0.75000 0.30000 0.02406 K 0 KM1 0.00000 0.00000 0.75530 1.00000 0.01773 K 0 KM3 0.29220 0.31950 0.74740 0.70000 0.01900 K 0 NaM3 0.29220 0.31950 0.74740 0.30000 0.01900 Na 0 KM4 0.33333 0.66667 0.73710 1.00000 0.03293 K 0 KM5 0.66667 0.33333 0.76010 1.00000 0.01140 K 0 Al1 0.44530 0.23510 0.55370 1.00000 0.00633 Al 0 Al2 0.05440 0.21470 0.56380 1.00000 0.01267 Al 0 Al3 0.41470 0.53540 0.56140 1.00000 0.00887 Al 0 Si1 0.19470 0.43740 0.43730 1.00000 0.00633 Si 0 Si2 0.21960 0.15930 0.43610 1.00000 0.01393 Si 0 Si3 0.56630 0.45720 0.44250 1.00000 0.00887 Si 0 O1 0.18300 0.43200 0.25300 1.00000 0.06713 O 0 O2 0.20100 0.18400 0.25500 1.00000 0.02153 O 0 O3 0.56000 0.45300 0.25000 1.00000 0.09499 O 0 O4 0.19700 0.54200 0.47200 1.00000 0.02153 O 0 O5 0.54600 0.34800 0.49400 1.00000 0.01393 O 0 O6 0.10800 0.34300 0.51600 1.00000 0.02153 O 0 O7 0.33500 0.22700 0.47900 1.00000 0.03293 O 0 O8 0.15400 0.19000 0.55600 1.00000 0.00887 O 0 O9 0.17300 0.03700 0.44500 1.00000 0.01520 O 0 O10 0.30500 0.44800 0.45800 1.00000 0.01646 O 0 O11 0.45800 0.14000 0.47900 1.00000 0.01646 O 0 O12 0.49300 0.48700 0.52700 1.00000 0.04179 O 0 loop_ _cod_changelog_entry_id _cod_changelog_entry_author _cod_changelog_entry_date _cod_changelog_entry_text 1 ;cod-tools version 3.8.0 Id: cif_guess_AMCSD_atom_types 9581 2023-05-17 12:35:41Z saulius ; 2023-05-23T09:15:06+03:00 ;Derived atom types and hydrogen counts from atom names that follow the AMCSD naming convention (Wat == water, O-H == hydroxyl). ; loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0014833