Dynamic Characterization of Crystalline Fluorophores with Conformationally Flexible Tetrahydrocarbazole Frameworks
Colin-Molina, Abraham; Velazquez-Chavez, Diego; Jellen, Marcus; Rodríguez-Cortés, Lizbeth A.; Cifuentes Quintal, Miguel Eduardo; Merino, Gabriel; Rodríguez-Molina, Braulio; CrystEngComm  (2020) –; doi:10.1039/D0CE00423E

data_7240479
_publ_section_title
;
 Dynamic Characterization of Crystalline Fluorophores with
 Conformationally Flexible Tetrahydrocarbazole Frameworks
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D0CE00423E
_journal_year                    2020
_chemical_formula_moiety         'C30 H28 N2'
_chemical_formula_sum            'C30 H28 N2'
_chemical_formula_weight         416.54
_chemical_melting_point          574
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2020-04-22 deposited with the CCDC.	2020-05-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.76(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   11.609(12)
_cell_length_b                   7.722(7)
_cell_length_c                   12.775(13)
_cell_measurement_reflns_used    2053
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.46
_cell_measurement_theta_min      2.35
_cell_volume                     1145(2)
_computing_cell_refinement       'APEX2 v2014.1-1(Bruker, 2014)'
_computing_data_collection       'APEX2 v2014.1-1(Bruker, 2014)'
_computing_data_reduction        'SAINT V8.34A (Bruker, 2014)'
_computing_molecular_graphics    'SHELXLe (H?bschle et al, 2011)'
_computing_publication_material  'CIFTAB V 2013/2 (Sheldrick, 2013)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS-2012 (Bruker, 2013)'
_diffrn_ambient_temperature      298(2)
_diffrn_detector_area_resol_mean 52.0833
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type
'Bruker D8 Venture \k geometry diffractometer 208039-1'
_diffrn_measurement_method       '\f and \w-scans'
_diffrn_radiation_monochromator  'Helios multilayer mirror'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1722
_diffrn_reflns_av_unetI/netI     0.1629
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            10668
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.672
_diffrn_reflns_theta_min         2.355
_diffrn_source                   'micro-focus X-ray source'
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.4136
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(Sheldrick, 2012)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.208
_exptl_crystal_description       prism
_exptl_crystal_F_000             444
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent: THF'
_exptl_crystal_size_max          0.382
_exptl_crystal_size_mid          0.369
_exptl_crystal_size_min          0.290
_refine_diff_density_max         0.148
_refine_diff_density_min         -0.199
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.996
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     183
_refine_ls_number_reflns         2162
_refine_ls_number_restraints     66
_refine_ls_restrained_S_all      0.998
_refine_ls_R_factor_all          0.2727
_refine_ls_R_factor_gt           0.0956
_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^)+(0.1306P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2145
_refine_ls_wR_factor_ref         0.2974
_reflns_Friedel_coverage         0.000
_reflns_number_gt                725
_reflns_number_total             2162
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ce00423e2.cif
_cod_data_source_block           Compound_2
_cod_original_cell_volume        1145.1(19)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7240479
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.974
_shelx_estimated_absorpt_t_max   0.980
_shelx_res_checksum              55709