Development of a fused imidazo[1,2-a]pyridine based fluorescent probe for Fe3+ and Hg2+ in aqueous media and HeLa cells
Srivastava, Suman; Thakur, Neha; Singh, Ashutosh; Shukla, Poonam; Maikhuri, Vipin Kumar; Garg, Neha; Prasad, Ashok; Pandey, Rampal; RSC Advances 9 (2019) 29856–; doi:10.1039/C9RA04743C

data_7234033
_publ_section_title
;
 Development of a fused imidazo[1,2-a]pyridine based fluorescent probe for
 Fe3+ and Hg2+ in aqueous media and HeLa cells
;
_journal_issue                   51
_journal_name_full               'RSC Advances'
_journal_page_first              29856
_journal_paper_doi               10.1039/C9RA04743C
_journal_volume                  9
_journal_year                    2019
_chemical_formula_moiety         'C24 H18 N2 O'
_chemical_formula_sum            'C24 H18 N2 O'
_chemical_formula_weight         350.42
_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'
_audit_update_record
;
2019-06-07 deposited with the CCDC.    2019-09-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 105.412(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.9525(7)
_cell_length_b                   6.0895(3)
_cell_length_c                   21.6915(10)
_cell_measurement_reflns_used    2366
_cell_measurement_temperature    293
_cell_measurement_theta_max      66.7590
_cell_measurement_theta_min      4.2230
_cell_volume                     1776.72(16)
_diffrn_ambient_temperature      293
_diffrn_detector                 'CCD plate'
_diffrn_detector_type            Eos
_diffrn_measured_fraction_theta_full 0.987029
_diffrn_measured_fraction_theta_max 0.987029
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Eos'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0203
_diffrn_reflns_av_unetI/netI     0.0254
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            5771
_diffrn_reflns_theta_full        66.883245
_diffrn_reflns_theta_max         66.88
_diffrn_reflns_theta_min         4.23
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    0.635
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.92896
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            'yellow red'
_exptl_crystal_density_diffrn    1.3099
_exptl_crystal_description       Block
_exptl_crystal_F_000             738.1888
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.158518
_refine_diff_density_min         -0.203600
_refine_diff_density_rms         0.044486
_refine_ls_d_res_high            0.838224
_refine_ls_d_res_low             10.455734
_refine_ls_goodness_of_fit_ref   1.010174
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_constraints    34
_refine_ls_number_parameters     244
_refine_ls_number_reflns         3120
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.010174
_refine_ls_R_factor_all          0.052335
_refine_ls_R_factor_gt           0.044024
_refine_ls_shift/su_max          0.0000
_refine_ls_shift/su_mean         0.0000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0606P)^2^+0.6035P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.126982
_reflns_Friedel_coverage         0.0
_reflns_limit_h_max              12
_reflns_limit_h_min              -16
_reflns_limit_k_max              7
_reflns_limit_k_min              0
_reflns_limit_l_max              25
_reflns_limit_l_min              -11
_reflns_number_gt                2614
_reflns_number_total             3120
_reflns_threshold_expression     I>=2u(I)
_cod_data_source_file            c9ra04743c2.cif
_cod_data_source_block           MB_RT_CU
_cod_database_code               7234033