An enhanced fluorescence in a tunable face-to-face π⋯π stacking assembly directed by the H-bonding
Fu, Xiao-Fei; Yue, Yan-Feng; Guo, Rui; Li, Le-Le; Sun, Wei; Fang, Chen-Jie; Xu, Chun-Hu; Yan, Chun-Hua; CrystEngComm 11 (2009) 2268–; doi:10.1039/b910263a

data_7201400
_publ_section_title
;
 An enhanced fluorescence in a tunable face-to-face \p&#x22EF;\p
 stacking assembly directed by the H-bonding
;
_journal_issue                   11
_journal_name_full               CrystEngComm
_journal_page_first              2268
_journal_paper_doi               10.1039/b910263a
_journal_volume                  11
_journal_year                    2009
_chemical_formula_sum            'C18 H17 N3 S'
_chemical_formula_weight         307.41
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 103.42(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   20.622(4)
_cell_length_b                   7.3581(15)
_cell_length_c                   21.626(4)
_cell_measurement_reflns_used    21988
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      3.395
_cell_volume                     3191.9(11)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor, 1997)'
_computing_data_collection       'KappaCCD (Nonius B. V., 1998)'
_computing_data_reduction
'HKL Denzo (Otwinowski & Minor, 1997) & maXus (Mackay et al., 1998)'
_computing_molecular_graphics    'Bruker SHELXTL V5.1 (Sheldrick, 1998)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 0.77
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'NONIUS KappaCCD Diffractometer'
_diffrn_measurement_method       CCD
_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  0.0660
_diffrn_reflns_av_sigmaI/netI    0.0615
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            48641
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         3.40
_exptl_absorpt_coefficient_mu    0.203
_exptl_absorpt_correction_T_max  0.979
_exptl_absorpt_correction_T_min  0.891
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements
Sortav (Blessing 1995)
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.279
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod-like
_exptl_crystal_F_000             1296
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.214
_refine_diff_density_min         -0.259
_refine_diff_density_rms         0.032
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.905
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     524
_refine_ls_number_reflns         7322
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.905
_refine_ls_R_factor_all          0.1081
_refine_ls_R_factor_gt           0.0394
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0521P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0856
_refine_ls_wR_factor_ref         0.1016
_reflns_number_gt                3675
_reflns_number_total             7322
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b910263a.txt
_cod_data_source_block           1
_cod_original_cell_volume        3191.8(11)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7201400