Emission enhancement of a coplanar π-conjugated gelator without any auxiliary substituents
Xue, Pengchong; Yao, Boqi; Sun, Jiabao; Zhang, Zhenqi; Lu, Ran; Chemical Communications (Cambridge, United Kingdom) 50 (2014) 10284–10286; doi:10.1039/c4cc04869e

data_7115546
_publ_section_title
;
 Emission enhancement of a coplanar \p-conjugated gelator without any
 auxiliary substituents
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   71
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              10284
_journal_page_last               10286
_journal_paper_doi               10.1039/c4cc04869e
_journal_volume                  50
_journal_year                    2014
_chemical_formula_sum            'C17 H16 N2 O'
_chemical_formula_weight         264.32
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   10.802(2)
_cell_length_b                   8.0122(16)
_cell_length_c                   31.156(6)
_cell_measurement_reflns_used    16819
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      55.02
_cell_measurement_theta_min      6.33
_cell_volume                     2696.5(9)
_computing_cell_refinement       RAPID-AUTO
_computing_data_collection       'RAPID-AUTO (Rigaku Corporation, 1998)'
_computing_data_reduction
'CrystalStructure (Rigaku/MSC and Rigaku Corporation, 2002)'
_computing_molecular_graphics    'ORTEP-II (Johnson, 1976)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       '\w scan'
_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  0.0504
_diffrn_reflns_av_sigmaI/netI    0.0322
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            22371
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.22
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.989
_exptl_absorpt_correction_T_min  0.988
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Higashi, 1995)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.302
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1120
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.313
_refine_diff_density_min         -0.207
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.095
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         3077
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.097
_refine_ls_R_factor_all          0.0588
_refine_ls_R_factor_gt           0.0437
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0811P)^2^+0.5673P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1210
_refine_ls_wR_factor_ref         0.1440
_reflns_number_gt                2457
_reflns_number_total             3077
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc04869e.cif
_cod_data_source_block           c
_cod_original_sg_symbol_H-M      pbca
_cod_database_code               7115546