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_7007912
_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            'C26.67 H30.67 Cl2 N6 O8.67 Zn'
_chemical_formula_weight         710.27
_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                 108.421(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            12
_cell_length_a                   41.337(3)
_cell_length_b                   9.4307(4)
_cell_length_c                   24.1542(17)
_cell_measurement_temperature    173(2)
_cell_volume                     8933.7(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 14.62
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       omega
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           'Mo Kalpha'
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0235
_diffrn_reflns_av_sigmaI/netI    0.0196
_diffrn_reflns_limit_h_max       53
_diffrn_reflns_limit_h_min       -53
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            43100
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.75
_exptl_absorpt_coefficient_mu    1.067
_exptl_absorpt_correction_T_max  0.7403
_exptl_absorpt_correction_T_min  0.7403
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.584
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             4393
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_refine_diff_density_max         1.181
_refine_diff_density_min         -1.037
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.461
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     778
_refine_ls_number_reflns         10214
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.461
_refine_ls_R_factor_all          0.0627
_refine_ls_R_factor_gt           0.0557
_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/[sigma^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1804
_refine_ls_wR_factor_ref         0.1884
_reflns_number_gt                9086
_reflns_number_total             10214
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b411924j.txt
_cod_data_source_block           tpen723
_cod_original_sg_symbol_H-M      'C2 /c'
_cod_database_code               7007912