A turn-on and reversible fluorescence sensor for zinc ion.
Lin, Hsiang-Yi; Cheng, Pi-Yun; Wan, Chin-Feng; Wu, An-Tai; The Analyst 137 (2012) 4415–4417; doi:10.1039/c2an35752f

data_1514922
_publ_section_title
;
 A turn-on and reversible fluorescence sensor for zinc ion.
;
_journal_issue                   19
_journal_name_full               'The Analyst'
_journal_page_first              4415
_journal_page_last               4417
_journal_paper_doi               10.1039/c2an35752f
_journal_volume                  137
_journal_year                    2012
_chemical_formula_sum            'C13 H13 N O2'
_chemical_formula_weight         215.24
_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_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 104.77(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   15.982(16)
_cell_length_b                   4.957(5)
_cell_length_c                   27.97(3)
_cell_measurement_temperature    296(2)
_cell_volume                     2143(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.969
_diffrn_measured_fraction_theta_max 0.969
_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  0.2121
_diffrn_reflns_av_sigmaI/netI    0.2110
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            12599
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.51
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.990
_exptl_absorpt_correction_T_min  0.940
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.334
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             820
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.251
_refine_diff_density_min         -0.212
_refine_diff_density_rms         0.072
_refine_ls_extinction_coef       0.0082(14)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.728
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     147
_refine_ls_number_reflns         2583
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.728
_refine_ls_R_factor_all          0.2329
_refine_ls_R_factor_gt           0.0689
_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^)+(0.0891P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1477
_refine_ls_wR_factor_ref         0.2033
_reflns_number_gt                705
_reflns_number_total             2583
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2an35752f.txt
_cod_data_source_block           qwe
_cod_original_cell_volume        2142(3)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               1514922