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_7218978
_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         'C21 H18 N4 S'
_chemical_formula_sum            'C21 H18 N4 S'
_chemical_formula_weight         358.45
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                114.272(2)
_cell_angle_beta                 109.020(3)
_cell_angle_gamma                97.147(3)
_cell_formula_units_Z            2
_cell_length_a                   9.7125(19)
_cell_length_b                   9.9228(19)
_cell_length_c                   11.205(2)
_cell_measurement_reflns_used    3088
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.333
_cell_measurement_theta_min      2.195
_cell_volume                     887.9(3)
_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      296(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_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  0.0332
_diffrn_reflns_av_sigmaI/netI    0.0441
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            6551
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.19
_exptl_absorpt_coefficient_mu    0.194
_exptl_absorpt_correction_T_max  0.9808
_exptl_absorpt_correction_T_min  0.9770
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, BRUKER(2000)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.341
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             376
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.186
_refine_diff_density_min         -0.380
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     236
_refine_ls_number_reflns         3088
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0503
_refine_ls_R_factor_gt           0.0432
_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^)+(0.0792P)^2^+0.2490P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1313
_refine_ls_wR_factor_ref         0.1391
_reflns_number_gt                2633
_reflns_number_total             3088
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra12627k2.cif
_cod_data_source_block           4
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7218978