#------------------------------------------------------------------------------ #$Date: 2023-08-15 10:58:27 +0300 (Tue, 15 Aug 2023) $ #$Revision: 285766 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/30/07/2300705.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # 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_2300705 loop_ _publ_author_name 'Levin, Aleksandr' 'Khrapova, Ekaterina' 'Kozlov, Daniil' 'Krasilin, Andrei' 'Gusarov, Victor' _publ_section_title ; Structure refinement, microstrains and crystallite sizes of Mg-Ni-phyllosilicate nanoscroll powders ; _journal_issue 3 _journal_name_full 'Journal of Applied Crystallography' _journal_page_first 484 _journal_page_last 502 _journal_paper_doi 10.1107/S1600576722003594 _journal_volume 55 _journal_year 2022 _chemical_formula_moiety 'Mg6 Si4 O18 H8' _chemical_formula_sum 'H8 Mg6 O18 Si4' _chemical_formula_weight 554.22 _space_group_IT_number 9 _space_group_name_Hall 'C -2yc' _space_group_name_H-M_alt 'C 1 c 1' _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall 'C -2yc' _symmetry_space_group_name_H-M 'C 1 c 1' _cell_angle_alpha 90 _cell_angle_beta 93.91(2) _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 5.3418(6) _cell_length_b 9.1166(15) _cell_length_c 14.697(2) _cell_measurement_reflns_used 454 _cell_measurement_temperature 314(1) _cell_volume 714.06(17) _diffrn_ambient_temperature 314(1) _diffrn_measurement_device_type 'D2 PHASER' _diffrn_measurement_method '\q--2\q scan' _diffrn_radiation_type 'Cu K\a' _pd_proc_2theta_range_max 110 _pd_proc_2theta_range_min 5 _pd_proc_ls_prof_R_factor 0.0759 _pd_proc_ls_prof_wR_factor 0.1032 _pd_proc_wavelength 1.541874 _pd_spec_description 'fibrous, fine powder, white' _cod_data_source_file 00NMScopy.cif _cod_data_source_block Mg3Si2O5(OH)4 _cod_depositor_comments ; The following automatic conversions were performed: data item '_exptl_crystal_density_meas' value 'not measured' was changed to '?' -- the value is perceived as not measured. Automatic conversion script Id: cif_fix_values 8738 2021-04-28 16:35:53Z antanas ; _cod_original_sg_symbol_H-M 'C c' _cod_original_formula_sum 'Mg6 Si4 O18 H8' _cod_database_code 2300705 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z ' 'x, -y, z+1/2 ' 'x+1/2, y+1/2, z ' 'x+1/2, -y+1/2, z+1/2 ' loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_B_iso_or_equiv Mg1 Mg 4 0.8922(9) 0.2021(6) 0.2349(4) 1.00(1) 0 0.30(6) Mg2 Mg 4 0.3738(10) 0.3761(7) 0.2354(5) 1.00(1) 0 0.30(6) Mg3 Mg 4 0.8859(9) 0.5253(8) 0.2229(5) 1.00(1) 0 0.30(6) Si1 Si 4 0.0210(18) 0.3649(8) 0.0402(4) 1 0 1.65(7) Si2 Si 4 0.5145(17) 0.5338(4) 0.0391(4) 1 0 1.65(7) O1 O 4 0.0691(14) 0.1956(10) 0.9976(9) 1 0 1.51(8) O2 O 4 0.2407(21) 0.4739(12) 0.9989(9) 1 0 1.51(8) O3 O 4 0.7410(20) 0.4229(12) 0.0034(9) 1 0 1.51(8) O4 O 4 0.0400(20) 0.3640(21) 0.1564(9) 1 0 1.51(8) O5 O 4 0.5334(20) 0.5380(11) 0.1553(9) 1 0 1.51(8) O6 O 4 0.7377(23) 0.3697(15) 0.2865(7) 1 1 1.51(8) O7 O 4 0.2255(30) 0.2024(22) 0.2877(7) 1 1 1.51(8) O8 O 4 0.5313(19) 0.2028(16) 0.1831(7) 1 1 1.51(8) O9 O 4 0.1978(18) 0.5349(18) 0.2979(7) 1 1 1.51(8)