Investigations into the flexibility of the 3D structure and rigid backbone of quinoline by fluorine addition to enhance its blue emission
Alapour, S.; Zamisa, S. J.; Silva, J. R. A.; Alves, C. N.; Omondi, B.; Ramjugernath, D.; Koorbanally, N. A.; CrystEngComm 20 (2018) 2316–; doi:10.1039/C8CE00094H

data_7230349
_publ_section_title
;
 Investigations into the flexibility of the 3D structure and rigid
 backbone of quinoline by fluorine addition to enhance its blue emission
;
_journal_issue                   16
_journal_name_full               CrystEngComm
_journal_page_first              2316
_journal_paper_doi               10.1039/C8CE00094H
_journal_volume                  20
_journal_year                    2018
_chemical_formula_moiety         'C19 H9 F6 N'
_chemical_formula_sum            'C19 H9 F6 N'
_chemical_formula_weight         365.27
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014
_audit_update_record
;
2017-11-10 deposited with the CCDC.
2018-03-23 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 96.9680(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
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_cell_length_b                   15.6783(2)
_cell_length_c                   14.5087(2)
_cell_measurement_reflns_used    9961
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.24
_cell_measurement_theta_min      2.60
_cell_volume                     1599.10(4)
_computing_cell_refinement       'SAINT-plus (Bruker, 2008)'
_computing_data_collection       'APEX2 (Bruker, 2008)'
_computing_data_reduction        'SAINT-Plus and XPREP (Bruker, 2008)'
_computing_molecular_graphics    'ORTEP3 (Farrugia, 2012)'
_computing_publication_material  'WinGX (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0180
_diffrn_reflns_av_unetI/netI     0.0117
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            25426
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
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_diffrn_reflns_theta_min         1.920
_exptl_absorpt_coefficient_mu    0.138
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_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2012)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.517
_exptl_crystal_description       block
_exptl_crystal_F_000             736
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Chloroform'
_exptl_crystal_size_max          0.430
_exptl_crystal_size_mid          0.250
_exptl_crystal_size_min          0.190
_refine_diff_density_max         0.885
_refine_diff_density_min         -0.595
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         3962
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0517
_refine_ls_R_factor_gt           0.0458
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0557P)^2^+1.1729P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1180
_refine_ls_wR_factor_ref         0.1232
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3481
_reflns_number_total             3962
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ce00094h2.cif
_cod_data_source_block           4A
_cod_depositor_comments
'Adding full bibliography for 7230349--7230358.cif.'
_cod_database_code               7230349
_shelx_estimated_absorpt_t_min   0.943
_shelx_estimated_absorpt_t_max   0.974
_shelxl_version_number           2014-3
_shelx_res_checksum              7379