Aggregation induced emission by pyridinium–pyridinium interactions
Leduskrasts, Kaspars; Suna, Edgars; RSC Advances 9 (2019) 460–; doi:10.1039/C8RA08771G

data_7232164
_publ_section_title
;
 Aggregation induced emission by pyridinium--pyridinium interactions
;
_journal_issue                   1
_journal_name_full               'RSC Advances'
_journal_page_first              460
_journal_paper_doi               10.1039/C8RA08771G
_journal_volume                  9
_journal_year                    2019
_chemical_formula_moiety         'C24 H19 N2, Cl'
_chemical_formula_sum            'C24 H19 Cl N2'
_chemical_formula_weight         370.86
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2bc 2ac'
_space_group_name_H-M_alt        'P c a b'
_symmetry_space_group_name_Hall  '-P 2bc 2ac'
_symmetry_space_group_name_H-M   'P c a b'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2017/1
_audit_update_record
;
2018-10-17 deposited with the CCDC.
2019-01-10 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   8.2062(2)
_cell_length_b                   18.5089(6)
_cell_length_c                   24.6576(8)
_cell_measurement_reflns_used    13732
_cell_measurement_temperature    190(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      0.998
_cell_volume                     3745.19(19)
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_diffrn_ambient_temperature      190(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1037
_diffrn_reflns_av_unetI/netI     0.1285
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            7963
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.518
_diffrn_reflns_theta_min         2.201
_exptl_absorpt_coefficient_mu    0.215
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.315
_exptl_crystal_description       block
_exptl_crystal_F_000             1552
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.226
_refine_diff_density_min         -0.263
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.953
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         4274
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.953
_refine_ls_R_factor_all          0.1556
_refine_ls_R_factor_gt           0.0610
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0514P)^2^+0.6306P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1111
_refine_ls_wR_factor_ref         0.1384
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2118
_reflns_number_total             4274
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ra08771g2.cif
_cod_data_source_block           Substance_2a
_cod_database_code               7232164
_shelx_shelxl_version_number     2017/1
_shelx_res_checksum              50476