Fluorescence enhancement of quinolines by protonation
Tervola, Essi; Truong, Khai-Nghi; Ward, Jas S.; Priimagi, Arri; Rissanen, Kari; RSC Advances 10 (2020) 29385–29393; doi:10.1039/D0RA04691D

data_7241062
_publ_section_title
;
 Fluorescence enhancement of quinolines by protonation
;
_journal_issue                   49
_journal_name_full               'RSC Advances'
_journal_page_first              29385
_journal_page_last               29393
_journal_paper_doi               10.1039/D0RA04691D
_journal_volume                  10
_journal_year                    2020
_chemical_formula_moiety         'C13 H10 N, C2 H Cl2 O2, C2 H2 Cl2 O2'
_chemical_formula_sum            'C17 H13 Cl4 N O4'
_chemical_formula_weight         437.08
_chemical_name_common            Benzoquinoline+Dichloroacetate
_chemical_name_systematic        13
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2017/1
_audit_update_record
;
2020-05-04 deposited with the CCDC.	2020-07-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.939(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.4155(3)
_cell_length_b                   11.3195(5)
_cell_length_c                   19.7432(8)
_cell_measurement_reflns_used    4984
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      30.508
_cell_measurement_theta_min      0.407
_cell_volume                     1878.25(13)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      170(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0324
_diffrn_reflns_av_unetI/netI     0.0506
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            10664
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.246
_diffrn_reflns_theta_min         2.423
_exptl_absorpt_coefficient_mu    0.653
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6414
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.546
_exptl_crystal_description       block
_exptl_crystal_F_000             888
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.335
_refine_diff_density_min         -0.384
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     239
_refine_ls_number_reflns         3787
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.0824
_refine_ls_R_factor_gt           0.0501
_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^)+(0.0396P)^2^+1.4530P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1092
_refine_ls_wR_factor_ref         0.1239
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2567
_reflns_number_total             3787
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ra04691d2.cif
_cod_data_source_block           13
_cod_depositor_comments
'Adding full bibliography for 7241053--7241066.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7241062
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_min   0.849
_shelx_estimated_absorpt_t_max   0.870
_shelx_res_checksum              11867