Comparison Study of the Site-Effect on Regioisomeric Pyridyl-Pyrene Conjugates: Synthesis, Structures, and Photophysical Properties.
Lu, Qing; Kole, Goutam Kumar; Friedrich, Alexandra; Müller-Buschbaum, Klaus; Liu, Zhiqiang; Yu, Xiaoqiang; Marder, Todd B.; The Journal of organic chemistry 85 (2020) 4256–4266; doi:10.1021/acs.joc.9b03421

data_4038022
_publ_section_title
;
 Comparison Study of the Site-Effect on Regioisomeric Pyridyl-Pyrene
 Conjugates: Synthesis, Structures, and Photophysical Properties.
;
_journal_issue                   6
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              4256
_journal_page_last               4266
_journal_paper_doi               10.1021/acs.joc.9b03421
_journal_volume                  85
_journal_year                    2020
_chemical_formula_sum            'C21 H13 N'
_chemical_formula_weight         279.32
_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-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90.802(7)
_cell_angle_gamma                90
_cell_formula_units_Z            12
_cell_length_a                   17.0774(15)
_cell_length_b                   3.9635(4)
_cell_length_c                   59.803(6)
_cell_measurement_reflns_used    4283
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      63.52
_cell_measurement_theta_min      2.96
_cell_volume                     4047.4(7)
_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-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 0.961
_diffrn_measured_fraction_theta_max 0.961
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0950
_diffrn_reflns_av_unetI/netI     0.1160
_diffrn_reflns_Laue_measured_fraction_full 0.961
_diffrn_reflns_Laue_measured_fraction_max 0.961
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       3
_diffrn_reflns_limit_k_min       -4
_diffrn_reflns_limit_l_max       68
_diffrn_reflns_limit_l_min       -53
_diffrn_reflns_number            17866
_diffrn_reflns_point_group_measured_fraction_full 0.961
_diffrn_reflns_point_group_measured_fraction_max 0.961
_diffrn_reflns_theta_full        63.756
_diffrn_reflns_theta_max         63.756
_diffrn_reflns_theta_min         2.588
_exptl_absorpt_coefficient_mu    0.614
_exptl_absorpt_correction_T_max  0.963
_exptl_absorpt_correction_T_min  0.832
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'APEX2 Software Suite (Bruker, 2005)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.375
_exptl_crystal_description       needle-like
_exptl_crystal_F_000             1752
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.080
_exptl_crystal_size_min          0.060
_refine_diff_density_max         0.510
_refine_diff_density_min         -0.444
_refine_diff_density_rms         0.106
_refine_ls_extinction_coef       0.00089(19)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.370
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     596
_refine_ls_number_reflns         6431
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.370
_refine_ls_R_factor_all          0.2123
_refine_ls_R_factor_gt           0.0833
_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^)+(0.1000P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2040
_refine_ls_wR_factor_ref         0.2702
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3427
_reflns_number_total             6431
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo9b03421_si_001.cif
_cod_data_source_block           2
_cod_depositor_comments
;
Adding full bibliography for 4038018--4038031.cif.

2020-03-29
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_original_formula_sum        'C63 H39 N3'
_cod_original_formula_units_Z    4
_cod_original_formula_weight     837.97
_cod_database_code               4038022
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.837
_shelx_estimated_absorpt_t_max   0.964
_exptl_absorpt_special_details
;
about 5 hours for data collection, 
with scale.
;
_shelx_res_checksum              67057
_shelx_hkl_checksum              39608