Synthesis and characterization of ethyl benzotriazolyl acrylate-based D–π–A fluorophores for live cell-based imaging applications
Ortega-Villarreal, Ana Sofia; Hernández-Fernández, Eugenio; Jensen, Christopher; Valdivia-Berroeta, Gabriel A.; Garrard, Samuel; López, Israel; Smith, Stacey J.; Christensen, Kenneth A.; Reyes-González, Miguel A.; Michaelis, David J.; RSC Advances 9 (2019) 8759–; doi:10.1039/C9RA00108E

data_7232501
_publ_section_title
;
 Synthesis and characterization of ethyl benzotriazolyl acrylate-based
 D--\p--A fluorophores for live cell-based imaging applications
;
_journal_issue                   16
_journal_name_full               'RSC Advances'
_journal_page_first              8759
_journal_paper_doi               10.1039/C9RA00108E
_journal_volume                  9
_journal_year                    2019
_chemical_formula_moiety         'C19 H20 N4 O2'
_chemical_formula_sum            'C19 H20 N4 O2'
_chemical_formula_weight         336.39
_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'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2018-09-14 deposited with the CCDC.    2019-03-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 96.420(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   13.2422(7)
_cell_length_b                   8.7080(5)
_cell_length_c                   29.4352(16)
_cell_measurement_reflns_used    9916
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      68.19
_cell_measurement_theta_min      5.30
_cell_volume                     3373.0(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0696
_diffrn_reflns_av_unetI/netI     0.0337
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            58291
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.433
_diffrn_reflns_theta_min         3.021
_diffrn_source                   'Bruker-Nonius FR591 Cu rotating anode'
_exptl_absorpt_coefficient_mu    0.717
_exptl_absorpt_correction_T_max  0.7531
_exptl_absorpt_correction_T_min  0.6401
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2009)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.325
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1424
_exptl_crystal_size_max          0.235
_exptl_crystal_size_mid          0.190
_exptl_crystal_size_min          0.101
_refine_diff_density_max         0.267
_refine_diff_density_min         -0.252
_refine_diff_density_rms         0.060
_refine_ls_extinction_coef       0.00088(10)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2016/6 (Sheldrick 2016)'
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     458
_refine_ls_number_reflns         6189
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0435
_refine_ls_R_factor_gt           0.0369
_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^)+(0.0527P)^2^+0.7521P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0944
_refine_ls_wR_factor_ref         0.0985
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5301
_reflns_number_total             6189
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ra00108e2.cif
_cod_data_source_block           18005_a
_cod_database_code               7232501
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.850
_shelx_estimated_absorpt_t_max   0.931
_shelx_res_checksum              697