A water-soluble highly sensitive and selective fluorescent sensor for Hg2+ based on 2-(2-(8-hydroxyquinolin)-yl)benzimidazole via ligand-to-metal charge transfer (LMCT)
Zhong, Keli; Zhou, Xue; Hou, Ruibin; Zhou, Pei; Hou, Shuhua; Bian, Yanjiang; Zhang, Gang; Tang, Lijun; Shang, Xiaohong; RSC Advances 4 (2014) 16612–; doi:10.1039/c4ra00060a

data_7235437
_publ_section_title
;
 A water-soluble highly sensitive and selective fluorescent sensor for
 Hg2+ based on 2-(2-(8-hydroxyquinolin)-yl)benzimidazole via
 ligand-to-metal charge transfer (LMCT)
;
_journal_issue                   32
_journal_name_full               'RSC Advances'
_journal_page_first              16612
_journal_paper_doi               10.1039/c4ra00060a
_journal_volume                  4
_journal_year                    2014
_chemical_formula_sum            'C21 H21 N3 O3'
_chemical_formula_weight         363.42
_space_group_IT_number           60
_space_group_name_Hall           '-P 2n 2ab'
_space_group_name_H-M_alt        'P b c n'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P b c n'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   15.625(4)
_cell_length_b                   9.194(2)
_cell_length_c                   27.403(7)
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.38
_cell_measurement_theta_min      1.98
_cell_volume                     3936.6(17)
_computing_cell_refinement       'SMART (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SAINT+ (Bruker, 1999)'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXTL (1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1010
_diffrn_reflns_av_sigmaI/netI    0.0590
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            18862
_diffrn_reflns_theta_full        25.38
_diffrn_reflns_theta_max         25.38
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.9933
_exptl_absorpt_correction_T_min  0.9900
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            COLOURLESS
_exptl_crystal_density_diffrn    1.230
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             1544
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.045
_refine_diff_density_min         -0.438
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         3586
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.1095
_refine_ls_R_factor_gt           0.0890
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1908P)^2^+0.9728P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2647
_refine_ls_wR_factor_ref         0.2867
_reflns_number_gt                2487
_reflns_number_total             3586
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra00060a2.cif
_cod_data_source_block           zp02
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        3936.7(17)
_cod_database_code               7235437