Tetrakis(2-quinolinylmethyl)ethylenediamine (TQEN) as a new fluorescent sensor for zinc.
Mikata, Yuji; Wakamatsu, Motoko; Yano, Shigenobu; Dalton transactions (Cambridge, England : 2003)  (2005) 545–550; doi:10.1039/b411924j

data_7007911
_publ_section_title
;
 Tetrakis(2-quinolinylmethyl)ethylenediamine (TQEN) as a new
 fluorescent sensor for zinc.
;
_journal_issue                   3
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              545
_journal_page_last               550
_journal_paper_doi               10.1039/b411924j
_journal_year                    2005
_chemical_formula_sum            'C47 H43.5 Cl2 N8.5 O8 Zn'
_chemical_formula_weight         991.67
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_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_date             2004-11-04
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 127.1400(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   36.5983(14)
_cell_length_b                   12.5859(2)
_cell_length_c                   24.8617(9)
_cell_measurement_temperature    173(2)
_cell_volume                     9129.0(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       omega
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoKalpha
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0181
_diffrn_reflns_av_sigmaI/netI    0.0176
_diffrn_reflns_limit_h_max       47
_diffrn_reflns_limit_h_min       -47
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            44143
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.40
_exptl_absorpt_coefficient_mu    0.719
_exptl_absorpt_correction_T_max  0.8131
_exptl_absorpt_correction_T_min  0.7618
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.443
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             4104
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.734
_refine_diff_density_min         -0.505
_refine_diff_density_rms         0.121
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     638
_refine_ls_number_reflns         10449
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0465
_refine_ls_R_factor_gt           0.0405
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[sigma^2^(Fo^2^)+(0.0740P)^2^+8.3070P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1121
_refine_ls_wR_factor_ref         0.1238
_reflns_number_gt                9318
_reflns_number_total             10449
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b411924j.txt
_cod_data_source_block           tqenzn55
_cod_original_sg_symbol_H-M      'C2 /c'
_cod_original_formula_sum        'C47 H43.50 Cl2 N8.50 O8 Zn'
_cod_database_code               7007911