Simultaneous enhancement of fluorescence and solubility by N-alkylation and functionalization of 2-(2-thienyl)imidazo[4,5-f][1,10]-phenanthroline with heterocyclic bridges
Peng, Yu-Xin; Wang, Na; Dai, Yuan; Hu, Bin; Ma, Bin Bin; Huang, Wei; RSC Adv.  (2014) –; doi:10.1039/C4RA12627K

data_7218987
_publ_section_title
;
 Simultaneous enhancement of fluorescence and solubility by N-alkylation
 and functionalization of 2-(2-thienyl)imidazo[4,5-f][1,10]-phenanthroline
 with heterocyclic bridges
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C4RA12627K
_journal_year                    2014
_chemical_formula_moiety         'C26 H20 N4 O2 S'
_chemical_formula_sum            'C26 H20 N4 O2 S'
_chemical_formula_weight         452.52
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 108.372(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.7672(19)
_cell_length_b                   8.3667(12)
_cell_length_c                   19.124(3)
_cell_measurement_reflns_used    3654
_cell_measurement_temperature    291(2)
_cell_measurement_theta_max      25.826
_cell_measurement_theta_min      2.288
_cell_volume                     2090.5(5)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (BRUKER 2000)'
_computing_data_reduction        'SAINT (BRUKER 2000)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (BRUKER 2000)'
_diffrn_ambient_temperature      291(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'BRUKER Smart Apex CCD area detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1061
_diffrn_reflns_av_sigmaI/netI    0.1015
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            11098
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.56
_exptl_absorpt_coefficient_mu    0.189
_exptl_absorpt_correction_T_max  0.9814
_exptl_absorpt_correction_T_min  0.9814
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, BRUKER(2000)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.438
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.358
_refine_diff_density_min         -0.857
_refine_diff_density_rms         0.106
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     299
_refine_ls_number_reflns         3654
_refine_ls_number_restraints     21
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.1260
_refine_ls_R_factor_gt           0.0876
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0984P)^2^+7.8993P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2192
_refine_ls_wR_factor_ref         0.2429
_reflns_number_gt                2547
_reflns_number_total             3654
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra12627k2.cif
_cod_data_source_block           12
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7218987