#------------------------------------------------------------------------------ #$Date: 2023-06-27 00:41:35 +0300 (Tue, 27 Jun 2023) $ #$Revision: 1908 $ #$URL: svn://localhost/tcod/cif/30/00/01/30000105.cif $ #------------------------------------------------------------------------------ # # This file is available in the Theoretical Crystallography Open Database # (TCOD), http://www.crystallography.net/tcod/ # # All data on this site have been placed in the public domain by the # contributors. # data_30000105 loop_ _publ_author_name 'Vaz, Pedro D.' 'Ribeiro-Claro, Paulo J. A.' 'Nolasco, Mariela M.' _publ_section_title ; Shedding Light on Cuprorivaite, the Egyptian Blue Pigment: Joining Neutrons and Photons for a Computational Spectroscopy Study ; _journal_name_full 'Crystal Growth & Design' _journal_page_first 1 _journal_paper_doi 10.1021/acs.cgd.3c00211 _journal_year 2023 _chemical_formula_sum 'Ca Cu O10 Si4' _space_group_IT_number 130 _space_group_name_Hall 'P 4ab 2n -1ab' _space_group_name_H-M_alt 'P 4/n c c :1' _symmetry_cell_setting tetragonal _symmetry_Int_Tables_number 130 _symmetry_space_group_name_H-M 'P 4/n c c :1' _audit_creation_date 2022-10-18 _audit_creation_method 'CASTEP optimized' _cell_angle_alpha 90.0000 _cell_angle_beta 90.0000 _cell_angle_gamma 90.0000 _cell_formula_units_Z 1 _cell_length_a 7.3766 _cell_length_b 7.3766 _cell_length_c 15.4347 _cell_volume 839.867 _cod_data_source_file EBlue_optim_CASTEP.cif _cod_data_source_block EBlue _cod_depositor_comments 'Releasing structure 30000105 into public domain as published material.' _cod_original_sg_symbol_H-M P4/NCC _cod_original_formula_sum 'Ca Cu Si4 O10' _tcod_database_code 30000105 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z -y+1/2,x+1/2,z y+1/2,-x+1/2,z -x+1/2,y+1/2,-z+1/2 x+1/2,-y+1/2,-z+1/2 y,x,-z+1/2 -y,-x,-z+1/2 -x+1/2,-y+1/2,-z x+1/2,y+1/2,-z y,-x,-z -y,x,-z x,-y,z+1/2 -x,y,z+1/2 -y+1/2,-x+1/2,z+1/2 y+1/2,x+1/2,z+1/2 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_occupancy Si1 Si 0.17394 0.25110 0.64817 0.00000 Uiso 1.00 O3 O 0.04525 0.24807 0.12730 0.00000 Uiso 1.00 O4 O 0.10106 0.25131 0.91746 0.00000 Uiso 1.00 Ca0 Ca 0.00000 0.00000 0.00000 0.00000 Uiso 1.00 Cu2 Cu 0.00000 0.50000 0.41663 0.00000 Uiso 1.00 O5 O 0.20819 0.20819 0.75000 0.00000 Uiso 1.00 loop_ _atom_type_symbol Si O Ca Cu loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 Si1 O5 1.623 . Si1 O4 1.605 7_556 Si1 O3 1.649 14 Si1 O3 1.641 15 O3 Si1 1.649 14_554 O3 Si1 1.641 15_554 O4 Si1 1.605 7_556 O4 Cu2 1.980 13_565 Cu2 O4 1.980 13_564 Cu2 O4 1.980 14_554 Cu2 O4 1.980 16_454 Cu2 O4 1.980 15_554 O5 Si1 1.623 7_556