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_4038030
_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            'C26 H16 N2'
_chemical_formula_weight         356.41
_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                 96.608(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   12.3050(4)
_cell_length_b                   30.3860(13)
_cell_length_c                   9.6833(3)
_cell_measurement_reflns_used    4489
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      74.8750
_cell_measurement_theta_min      4.7950
_cell_volume                     3596.5(2)
_computing_cell_refinement
;
CrysAlisPro 1.171.39.30d (Rigaku OD,2017).
;
_computing_data_collection
;
CrysAlisPro 1.171.39.30d (Rigaku OD,2017).
;
_computing_data_reduction
;
CrysAlisPro 1.171.39.30d (Rigaku OD,2017).
;
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0644
_diffrn_reflns_av_unetI/netI     0.0575
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       -35
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            22177
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        66.592
_diffrn_reflns_theta_max         66.592
_diffrn_reflns_theta_min         2.909
_exptl_absorpt_coefficient_mu    0.599
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.63220
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'APEX2 Software Suite (Bruker, 2005)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.316
_exptl_crystal_description       block
_exptl_crystal_F_000             1488
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.200
_refine_diff_density_min         -0.170
_refine_diff_density_rms         0.042
_refine_ls_extinction_coef       0.00032(10)
_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   1.004
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     506
_refine_ls_number_reflns         6292
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.0876
_refine_ls_R_factor_gt           0.0511
_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^)+(0.0714P)^2^+0.5715P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1249
_refine_ls_wR_factor_ref         0.1539
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3984
_reflns_number_total             6292
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo9b03421_si_001.cif
_cod_data_source_block           191213D
_cod_depositor_comments
'Adding full bibliography for 4038018--4038031.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4038030
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.63220
_shelx_estimated_absorpt_t_max   1.00000
_exptl_absorpt_special_details   'about 2 hours for data collection'
_shelx_res_checksum              66053
_shelx_hkl_checksum              8759