Photophysical properties of some novel tetraphenylimidazole derived BODIPY based fluorescent molecular rotors.
Dwivedi, Bhupendra Kumar; Singh, Vishwa Deepak; Kumar, Yogesh; Pandey, Daya Shankar; Dalton transactions (Cambridge, England : 2003) 49 (2020) 438–452; doi:10.1039/c9dt04177j

data_7703123
_publ_section_title
;
 Photophysical properties of some novel tetraphenylimidazole derived
 BODIPY based fluorescent molecular rotors.
;
_journal_issue                   2
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              438
_journal_page_last               452
_journal_paper_doi               10.1039/c9dt04177j
_journal_volume                  49
_journal_year                    2020
_chemical_formula_moiety         'C37 H26 B Cl F2 N4 O'
_chemical_formula_sum            'C37 H26 B Cl F2 N4 O'
_chemical_formula_weight         626.88
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2019-08-03 deposited with the CCDC.	2019-11-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.853(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.1437(2)
_cell_length_b                   14.2235(3)
_cell_length_c                   24.9508(5)
_cell_measurement_reflns_used    4125
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.17
_cell_measurement_theta_min      2.28
_cell_volume                     3214.55(12)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.934
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0544
_diffrn_reflns_av_unetI/netI     0.0453
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.934
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            47535
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.934
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         32.277
_diffrn_reflns_theta_min         2.969
_diffrn_source                   x-ray
_exptl_absorpt_coefficient_mu    0.167
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    1.295
_exptl_crystal_description       Needle
_exptl_crystal_F_000             1296
_exptl_crystal_size_max          0.230
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.130
_refine_diff_density_max         0.346
_refine_diff_density_min         -0.304
_refine_diff_density_rms         0.041
_refine_ls_extinction_coef       0.0029(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2016/6 (Sheldrick 2016)'
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     417
_refine_ls_number_reflns         10674
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.1080
_refine_ls_R_factor_gt           0.0576
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0753P)^2^+0.4492P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1463
_refine_ls_wR_factor_ref         0.1815
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6044
_reflns_number_total             10674
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9dt04177j2.cif
_cod_data_source_block           HPIB3
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7703123
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.963
_shelx_estimated_absorpt_t_max   0.979
_shelx_res_checksum              89855