Targeted Synthesis of Trimeric Organic–Bromoplumbate Hybrids That Display Intrinsic, Highly Stokes-Shifted, Broadband Emission
Febriansyah, Benny; Neo, Chong Shern Daniel; Giovanni, David; Srivastava, Shivani; Lekina, Yulia; Koh, Teck Ming; Li, Yongxin; Shen, Ze Xiang; Asta, Mark; Sum, Tze Chien; Mathews, Nripan; England, Jason; Chemistry of Materials  (2020) –; doi:10.1021/acs.chemmater.9b03925

data_4003550
_publ_section_title
;
 Targeted Synthesis of Trimeric Organic--Bromoplumbate Hybrids That
 Display Intrinsic, Highly Stokes-Shifted, Broadband Emission
;
_journal_name_full               'Chemistry of Materials'
_journal_paper_doi               10.1021/acs.chemmater.9b03925
_journal_year                    2020
_chemical_formula_sum            'C72 H72 Br12 N6 Pb3'
_chemical_formula_weight         2601.84
_space_group_crystal_system      trigonal
_space_group_IT_number           148
_space_group_name_Hall           '-R 3'
_space_group_name_H-M_alt        'R -3 :H'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   17.3480(4)
_cell_length_b                   17.3480(4)
_cell_length_c                   22.6258(6)
_cell_measurement_reflns_used    4099
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      31.2218
_cell_measurement_theta_min      2.7007
_cell_volume                     5897.0(2)
_computing_cell_refinement       'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_data_collection       'APEX3 (Bruker AXS Inc., 2018)'
_computing_data_reduction        'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_molecular_graphics    'XP (Bruker AXS Inc., 2018)'
_computing_publication_material  'APEX3 (Bruker AXS Inc., 2018)'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'XT, VERSION 2014/5'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 7.4074
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Photon II CPADs detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  'Multilayer Mirror'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0854
_diffrn_reflns_av_unetI/netI     0.0912
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            22299
_diffrn_reflns_theta_full        34.35
_diffrn_reflns_theta_max         34.35
_diffrn_reflns_theta_min         2.25
_diffrn_source                   'Incoatec microfocus source'
_diffrn_source_type              'Bruker D8 Quest'
_exptl_absorpt_coefficient_mu    12.550
_exptl_absorpt_correction_T_max  0.89
_exptl_absorpt_correction_T_min  0.60
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.198
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             3636
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.080
_exptl_crystal_size_min          0.010
_refine_diff_density_max         1.449
_refine_diff_density_min         -1.851
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     141
_refine_ls_number_reflns         5493
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.0924
_refine_ls_R_factor_gt           0.0452
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0076P)^2^+24.9052P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0553
_refine_ls_wR_factor_ref         0.0666
_reflns_number_gt                3694
_reflns_number_total             5493
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cm9b03925_si_002.cif
_cod_data_source_block           (1)6[Pb3Br12]
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-Scan' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/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 

2025-09-12
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_sum            'C24 H24 Br4 N2 Pb'
_cod_original_formula_weight         867.28
_cod_original_formula_units_Z            9
_cod_original_cell_volume        5897.0(3)
_cod_original_sg_symbol_H-M      'R -3'
_cod_database_code               4003550
_shelx_res_checksum              2866
_shelx_hkl_checksum              16604