A highly selective and ratiometric fluorescent sensor for relay recognition of zinc(ii) and sulfide ions based on modulation of excited-state intramolecular proton transfer
Tang, Lijun; Cai, Mingjun; Zhou, Pei; Zhao, Jia; Zhong, Keli; Hou, Shuhua; Bian, Yanjiang; RSC Advances 3 (2013) 16802–; doi:10.1039/c3ra42931h

data_7239135
_publ_section_title
;
 A highly selective and ratiometric fluorescent sensor for relay
 recognition of zinc(ii) and sulfide ions based on modulation of
 excited-state intramolecular proton transfer
;
_journal_issue                   37
_journal_name_full               'RSC Advances'
_journal_page_first              16802
_journal_paper_doi               10.1039/c3ra42931h
_journal_volume                  3
_journal_year                    2013
_chemical_formula_moiety         'C27 H26 N6 O2, H2 O'
_chemical_formula_sum            'C27 H26 N6 O2'
_chemical_formula_weight         466.54
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_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                 126.0620(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   27.5725(17)
_cell_length_b                   12.5357(8)
_cell_length_c                   17.3474(11)
_cell_measurement_reflns_used    4264
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      22.245
_cell_measurement_theta_min      2.544
_cell_volume                     4847.0(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_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  0.0223
_diffrn_reflns_av_sigmaI/netI    0.0258
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            13820
_diffrn_reflns_theta_full        26.81
_diffrn_reflns_theta_max         26.81
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.9916
_exptl_absorpt_correction_T_min  0.9752
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.279
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1968
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.424
_refine_diff_density_min         -0.293
_refine_diff_density_rms         0.035
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     316
_refine_ls_number_reflns         5115
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0682
_refine_ls_R_factor_gt           0.0437
_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^)+(0.0556P)^2^+2.0610P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1084
_refine_ls_wR_factor_ref         0.1232
_reflns_number_gt                3611
_reflns_number_total             5115
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            c3ra42931h.txt
_cod_data_source_block           yg
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' 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_sg_symbol_H-M      'C 2/c'
_cod_database_code               7239135