A single molecule that acts as a fluorescence sensor for zinc and cadmium and a colorimetric sensor for cobalt.
Song, Eun Joo; Kang, Juhye; You, Ga Rim; Park, Gyeong Jin; Kim, Youngmee; Kim, Sung-Jin; Kim, Cheal; Harrison, Roger G.; Dalton transactions (Cambridge, England : 2003) 42 (2013) 15514–15520; doi:10.1039/c3dt51635k

data_7023629
_publ_section_title
;
 A single molecule that acts as a fluorescence sensor for zinc and cadmium
 and a colorimetric sensor for cobalt.
;
_journal_issue                   43
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              15514
_journal_page_last               15520
_journal_paper_doi               10.1039/c3dt51635k
_journal_volume                  42
_journal_year                    2013
_chemical_formula_sum            'C26 H25 Cd N7 O8'
_chemical_formula_weight         675.93
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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            4
_cell_length_a                   7.7581(8)
_cell_length_b                   15.7652(16)
_cell_length_c                   22.810(2)
_cell_measurement_reflns_used    9690
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.3198
_cell_measurement_theta_min      2.5839
_cell_volume                     2789.8(5)
_computing_cell_refinement       'SAINT V8.27B (Bruker AXS Inc., 2012)'
_computing_data_collection       'Bruker APEX-II'
_computing_data_reduction        'SAINT V8.27B (Bruker AXS Inc., 2012)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0321
_diffrn_reflns_av_sigmaI/netI    0.0211
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            37391
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.79
_exptl_absorpt_coefficient_mu    0.845
_exptl_absorpt_correction_T_max  0.87
_exptl_absorpt_correction_T_min  0.78
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2012/1 (Bruker AXS Inc.)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.609
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1368
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.17
_refine_diff_density_max         1.291
_refine_diff_density_min         -0.682
_refine_diff_density_rms         0.090
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.560(20)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.125
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     389
_refine_ls_number_reflns         5336
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.145
_refine_ls_R_factor_all          0.0270
_refine_ls_R_factor_gt           0.0265
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0149P)^2^+4.6935P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0606
_refine_ls_wR_factor_ref         0.0608
_reflns_number_gt                5273
_reflns_number_total             5336
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt51635k.txt
_cod_data_source_block           yjp161_0m
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7023629