Isoquinoline-derivatized tris(2-pyridylmethyl)amines as fluorescent zinc sensors with strict Zn(2+)/Cd(2+) selectivity.
Mikata, Yuji; Kawata, Keiko; Takeuchi, Saaya; Nakanishi, Kaori; Konno, Hideo; Itami, Saori; Yasuda, Keiko; Tamotsu, Satoshi; Burdette, Shawn C.; Dalton transactions (Cambridge, England : 2003) 43 (2014) 10751–10759; doi:10.1039/c4dt01054j

data_7030877
_publ_section_title
;
 Isoquinoline-derivatized tris(2-pyridylmethyl)amines as fluorescent zinc
 sensors with strict Zn(2+)/Cd(2+) selectivity.
;
_journal_issue                   28
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10751
_journal_page_last               10759
_journal_paper_doi               10.1039/c4dt01054j
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C26 H22 N4'
_chemical_formula_sum            'C26 H22 N4'
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_symmetry_Int_Tables_number      9
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 120.935(3)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   17.041(5)
_cell_length_b                   9.384(3)
_cell_length_c                   14.979(5)
_cell_measurement_reflns_used    2834
_cell_measurement_temperature    123
_cell_measurement_theta_max      27.46
_cell_measurement_theta_min      3.17
_cell_volume                     2054.6(11)
_computing_cell_refinement       CrystalClear
_computing_data_collection       'CrystalClear (Rigaku/MSC Inc., 2006)'
_computing_data_reduction        CrystalClear
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare, et al., 1994)'
_diffrn_ambient_temperature      123
_diffrn_detector_area_resol_mean 7.314
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Rigaku Mercury70'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0219
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_diffrn_reflns_limit_h_min       -18
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_diffrn_reflns_limit_k_min       -12
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_diffrn_reflns_limit_l_min       -19
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_diffrn_reflns_theta_max         27.48
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_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_T_max  0.977
_exptl_absorpt_correction_T_min  0.778
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.262
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       unknown
_exptl_crystal_F_000             824.00
_exptl_crystal_size_max          0.500
_exptl_crystal_size_mid          0.300
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_refine_ls_number_reflns         3649
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_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0464P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0911
_reflns_number_gt                3402
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_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c4dt01054j2.cif
_cod_data_source_block           1isoBQPA-110818
_cod_depositor_comments
'Adding full bibliography for 7030877--7030885.cif.'
_cod_original_cell_volume        2054.5(10)
_cod_database_code               7030877