#------------------------------------------------------------------------------ #$Date: 2021-12-07 05:38:24 +0200 (Tue, 07 Dec 2021) $ #$Revision: 271188 $ #$URL: file:///home/coder/svn-repositories/cod/cif/7/06/10/7061025.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_7061025 loop_ _publ_author_name 'Msalmi, Rawia' 'Elleuch, Slim' 'Hamdi, Besma' 'Radicchi, Eros' 'Tozri, Anowar' 'Na\"ili, Houcine' 'Berber, Mohamed R.' _publ_section_title ; Tunable broad-band white-light emission in two-dimensional (110)-oriented lead bromide perovskite (C3H8N6)[PbBr4]: optical, electronic and luminescence properties ; _journal_issue 44 _journal_name_full 'New Journal of Chemistry' _journal_page_first 20850 _journal_page_last 20859 _journal_paper_doi 10.1039/D1NJ03838A _journal_volume 45 _journal_year 2021 _chemical_formula_moiety 'Br4 Pb, C3 H8 N6' _chemical_formula_sum 'C3 H8 Br4 N6 Pb' _chemical_formula_weight 654.95 _space_group_IT_number 14 _space_group_name_Hall '-P 2ybc' _space_group_name_H-M_alt 'P 1 21/c 1' _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL-97 _audit_update_record ; 2021-10-03 deposited with the CCDC. 2021-10-13 downloaded from the CCDC. ; _cell_angle_alpha 90.00 _cell_angle_beta 104.132(3) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 6.0130(4) _cell_length_b 21.3814(14) _cell_length_c 10.2099(6) _cell_measurement_reflns_used 4010 _cell_measurement_temperature 296(2) _cell_measurement_theta_max 25.8 _cell_measurement_theta_min 2.5 _cell_volume 1272.92(14) _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _diffrn_ambient_temperature 296(2) _diffrn_measured_fraction_theta_full 0.997 _diffrn_measured_fraction_theta_max 0.997 _diffrn_measurement_device_type 'CCD area detector' _diffrn_measurement_method '\f and \w' _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0719 _diffrn_reflns_av_sigmaI/netI 0.0884 _diffrn_reflns_limit_h_max 8 _diffrn_reflns_limit_h_min -8 _diffrn_reflns_limit_k_max 30 _diffrn_reflns_limit_k_min -30 _diffrn_reflns_limit_l_max 14 _diffrn_reflns_limit_l_min -14 _diffrn_reflns_number 14718 _diffrn_reflns_theta_full 30.91 _diffrn_reflns_theta_max 30.91 _diffrn_reflns_theta_min 1.90 _exptl_absorpt_coefficient_mu 25.786 _exptl_absorpt_correction_T_max 0.045 _exptl_absorpt_correction_T_min 0.001 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details '(Coppens et al., 1965)' _exptl_crystal_colour white _exptl_crystal_density_diffrn 3.418 _exptl_crystal_density_meas 3.417 _exptl_crystal_density_method 'not measured' _exptl_crystal_description prism _exptl_crystal_F_000 1160.0 _exptl_crystal_size_max 0.25 _exptl_crystal_size_mid 0.16 _exptl_crystal_size_min 0.12 _refine_diff_density_max 2.377 _refine_diff_density_min -1.981 _refine_diff_density_rms 0.429 _refine_ls_extinction_coef 0.0009(2) _refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^ _refine_ls_extinction_method SHELXL _refine_ls_goodness_of_fit_ref 0.992 _refine_ls_hydrogen_treatment mixed _refine_ls_matrix_type full _refine_ls_number_parameters 128 _refine_ls_number_reflns 4010 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 0.992 _refine_ls_R_factor_all 0.0960 _refine_ls_R_factor_gt 0.0561 _refine_ls_shift/su_max 0.004 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0811P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1333 _refine_ls_wR_factor_ref 0.1569 _reflns_number_gt 2639 _reflns_number_total 4023 _reflns_threshold_expression >2sigma(I) _cod_data_source_file d1nj03838a2.cif _cod_data_source_block C3H8N6_PbBr4 _cod_depositor_comments ; The following automatic conversions were performed: data item '_symmetry_cell_setting' value 'Monoclinic' was changed to 'monoclinic' in accordance with the /home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.2 last updated on 2011-04-26. Automatic conversion script Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas Adding full bibliography for 7061025.cif. ; _cod_original_sg_symbol_H-M 'P 21/c' _cod_database_code 7061025 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, y+1/2, -z+1/2' '-x, -y, -z' 'x, -y-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 _atom_site_symmetry_multiplicity _atom_site_calc_flag _atom_site_refinement_flags _atom_site_disorder_assembly _atom_site_disorder_group Pb Pb 0.64269(7) 0.665567(19) 0.28318(4) 0.02604(16) Uani 1 1 d . . . Br2 Br 0.5685(2) 0.58041(5) 0.05538(10) 0.0319(3) Uani 1 1 d . . . Br1 Br 0.7283(2) 0.55414(5) 0.44511(11) 0.0344(3) Uani 1 1 d . . . Br3 Br 0.15073(19) 0.64579(6) 0.26913(13) 0.0382(3) Uani 1 1 d . . . Br4 Br 0.6534(2) 0.77073(6) 0.06716(12) 0.0400(3) Uani 1 1 d . . . N3 N 0.8789(15) 0.4461(4) 0.2589(9) 0.031(2) Uani 1 1 d . . . H3 H 0.8541 0.4811 0.2943 0.037 Uiso 1 1 calc R . . N1 N 0.7806(18) 0.3393(4) 0.2192(9) 0.032(2) Uani 1 1 d . . . N5 N 1.0481(16) 0.3883(5) 0.1186(9) 0.033(2) Uani 1 1 d . . . H5 H 1.1431 0.3852 0.0681 0.040 Uiso 1 1 calc R . . N6 N 0.9256(17) 0.2883(4) 0.0640(10) 0.039(2) Uani 1 1 d . . . H6A H 0.8449 0.2559 0.0719 0.047 Uiso 1 1 calc R . . H6B H 1.0136 0.2877 0.0091 0.047 Uiso 1 1 calc R . . N4 N 1.1571(18) 0.4906(5) 0.1669(10) 0.042(3) Uani 1 1 d . . . H4A H 1.1450 0.5255 0.2067 0.050 Uiso 1 1 calc R . . H4B H 1.2528 0.4872 0.1169 0.050 Uiso 1 1 calc R . . C2 C 1.0296(19) 0.4428(5) 0.1822(10) 0.027(2) Uani 1 1 d . . . C1 C 0.7668(18) 0.3944(5) 0.2802(10) 0.026(2) Uani 1 1 d . . . C3 C 0.915(2) 0.3376(6) 0.1345(12) 0.037(3) Uani 1 1 d . . . N2 N 0.6274(19) 0.3987(5) 0.3605(10) 0.046(3) Uani 1 1 d . . . H2A H 0.6103 0.4338 0.3976 0.055 Uiso 1 1 calc R . . H2B H 0.5531 0.3662 0.3761 0.055 Uiso 1 1 calc R . . loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 Pb 0.0279(2) 0.0257(2) 0.0262(2) -0.00029(15) 0.00985(16) -0.00058(16) Br2 0.0346(6) 0.0346(6) 0.0290(5) -0.0080(4) 0.0127(5) -0.0048(5) Br1 0.0456(7) 0.0299(6) 0.0311(6) 0.0041(5) 0.0161(5) 0.0096(5) Br3 0.0245(6) 0.0417(7) 0.0506(7) -0.0055(5) 0.0134(5) -0.0002(5) Br4 0.0487(8) 0.0358(7) 0.0413(6) 0.0111(5) 0.0218(6) 0.0112(5) N3 0.032(5) 0.029(5) 0.036(5) -0.006(4) 0.017(4) -0.005(4) N1 0.038(5) 0.035(6) 0.030(5) 0.004(4) 0.022(4) 0.000(4) N5 0.029(5) 0.044(6) 0.032(5) -0.005(4) 0.018(4) 0.006(4) N6 0.043(6) 0.026(5) 0.058(6) -0.008(5) 0.030(5) 0.002(4) N4 0.050(7) 0.041(6) 0.039(5) -0.009(5) 0.023(5) -0.023(5) C2 0.035(6) 0.020(5) 0.022(5) 0.002(4) 0.001(4) -0.003(4) C1 0.031(6) 0.029(6) 0.023(5) 0.002(4) 0.016(4) 0.005(5) C3 0.037(7) 0.043(8) 0.033(6) 0.003(5) 0.013(5) -0.006(5) N2 0.054(7) 0.045(7) 0.053(6) -0.004(5) 0.041(6) 0.005(5) loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' N N 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Br Br -0.2901 2.4595 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Pb Pb -3.3944 10.1111 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle_publ_flag Br1 Pb Br2 84.94(3) . . ? Br1 Pb Br3 86.90(4) . . ? Br2 Pb Br3 85.13(4) . . ? Br1 Pb Br3 82.78(4) . 1_655 ? Br2 Pb Br3 80.72(3) . 1_655 ? Br3 Pb Br3 163.14(5) . 1_655 ? Br1 Pb Br4 163.68(3) . . ? Br2 Pb Br4 84.97(4) . . ? Br3 Pb Br4 104.98(4) . . ? Br3 Pb Br4 82.96(4) 1_655 . ? Br1 Pb Br4 82.53(3) . 4_576 ? Br2 Pb Br4 164.09(4) . 4_576 ? Br3 Pb Br4 84.44(3) . 4_576 ? Br3 Pb Br4 107.26(4) 1_655 4_576 ? Br4 Pb Br4 109.336(14) . 4_576 ? Pb Br3 Pb 163.14(5) . 1_455 ? Pb Br4 Pb 159.81(5) . 4_575 ? C2 N3 C1 119.5(9) . . ? C2 N3 H3 120.3 . . ? C1 N3 H3 120.3 . . ? C3 N1 C1 116.4(10) . . ? C2 N5 C3 120.1(9) . . ? C2 N5 H5 120.0 . . ? C3 N5 H5 120.0 . . ? C3 N6 H6A 120.0 . . ? C3 N6 H6B 120.0 . . ? H6A N6 H6B 120.0 . . ? C2 N4 H4A 120.0 . . ? C2 N4 H4B 120.0 . . ? H4A N4 H4B 120.0 . . ? N4 C2 N3 121.9(10) . . ? N4 C2 N5 119.8(10) . . ? N3 C2 N5 118.3(10) . . ? N2 C1 N3 117.9(10) . . ? N2 C1 N1 118.1(10) . . ? N3 C1 N1 123.8(9) . . ? N6 C3 N1 120.8(11) . . ? N6 C3 N5 117.8(11) . . ? N1 C3 N5 121.4(11) . . ? C1 N2 H2A 120.0 . . ? C1 N2 H2B 120.0 . . ? H2A N2 H2B 120.0 . . ? loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 _geom_bond_publ_flag Pb Br1 2.8737(12) . ? Pb Br2 2.9012(11) . ? Pb Br3 2.9568(12) . ? Pb Br3 3.1218(12) 1_655 ? Pb Br4 3.1613(12) . ? Pb Br4 3.1897(12) 4_576 ? Br3 Pb 3.1218(12) 1_455 ? Br4 Pb 3.1897(12) 4_575 ? N3 C2 1.337(13) . ? N3 C1 1.339(13) . ? N3 H3 0.8600 . ? N1 C3 1.319(14) . ? N1 C1 1.345(13) . ? N5 C2 1.351(13) . ? N5 C3 1.382(15) . ? N5 H5 0.8600 . ? N6 C3 1.288(15) . ? N6 H6A 0.8600 . ? N6 H6B 0.8600 . ? N4 C2 1.311(14) . ? N4 H4A 0.8600 . ? N4 H4B 0.8600 . ? C1 N2 1.310(12) . ? N2 H2A 0.8600 . ? N2 H2B 0.8600 . ? loop_ _geom_torsion_atom_site_label_1 _geom_torsion_atom_site_label_2 _geom_torsion_atom_site_label_3 _geom_torsion_atom_site_label_4 _geom_torsion _geom_torsion_site_symmetry_1 _geom_torsion_site_symmetry_2 _geom_torsion_site_symmetry_3 _geom_torsion_site_symmetry_4 _geom_torsion_publ_flag Br1 Pb Br3 Pb 127.80(17) . . . 1_455 ? Br2 Pb Br3 Pb -147.02(17) . . . 1_455 ? Br3 Pb Br3 Pb 180.0 1_655 . . 1_455 ? Br4 Pb Br3 Pb -63.56(17) . . . 1_455 ? Br4 Pb Br3 Pb 45.01(17) 4_576 . . 1_455 ? Br1 Pb Br4 Pb 49.7(2) . . . 4_575 ? Br2 Pb Br4 Pb -2.36(14) . . . 4_575 ? Br3 Pb Br4 Pb -85.94(14) . . . 4_575 ? Br3 Pb Br4 Pb 78.89(14) 1_655 . . 4_575 ? Br4 Pb Br4 Pb -175.23(10) 4_576 . . 4_575 ? C1 N3 C2 N4 -174.5(10) . . . . ? C1 N3 C2 N5 6.0(15) . . . . ? C3 N5 C2 N4 179.9(11) . . . . ? C3 N5 C2 N3 -0.6(16) . . . . ? C2 N3 C1 N2 177.2(10) . . . . ? C2 N3 C1 N1 -6.1(16) . . . . ? C3 N1 C1 N2 177.0(11) . . . . ? C3 N1 C1 N3 0.3(17) . . . . ? C1 N1 C3 N6 -174.9(11) . . . . ? C1 N1 C3 N5 5.3(17) . . . . ? C2 N5 C3 N6 174.9(10) . . . . ? C2 N5 C3 N1 -5.3(18) . . . . ?