Two Schiff base ligands for distiguishing ZnII/CdIIsensing — effect of substituent on fluorecent sensing
Zheng, Zhi-Peng; Wei, Qin; Yin, Wen-Xia; Wan, Lin-Tao; Huang, Xia; Yu, Ying; Cai, Prof. Yue-Peng; RSC Adv.  (2015) –; doi:10.1039/C5RA00987A

data_7219760
_publ_section_title
;
 Two Schiff base ligands for distiguishing ZnII/CdIIsensing --- effect of
 substituent on fluorecent sensing
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA00987A
_journal_year                    2015
_chemical_formula_sum            'C45 H44 Cl5 N6 O6 Zn4'
_chemical_formula_weight         1203.59
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-07-23 deposited with the CCDC.
2015-03-03 downloaded from the CCDC.
;
_cell_angle_alpha                90.4330(10)
_cell_angle_beta                 91.7110(10)
_cell_angle_gamma                92.5060(10)
_cell_formula_units_Z            2
_cell_length_a                   12.2973(12)
_cell_length_b                   13.6411(13)
_cell_length_c                   15.1641(15)
_cell_measurement_reflns_used    4090
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.52
_cell_measurement_theta_min      2.28
_cell_volume                     2540.1(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_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      296(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_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  0.0183
_diffrn_reflns_av_sigmaI/netI    0.0422
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            13168
_diffrn_reflns_theta_full        25.20
_diffrn_reflns_theta_max         25.20
_diffrn_reflns_theta_min         1.49
_exptl_absorpt_coefficient_mu    2.180
_exptl_absorpt_correction_T_max  0.7082
_exptl_absorpt_correction_T_min  0.5608
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (sheldrick, 1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.574
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1218
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.539
_refine_diff_density_min         -0.511
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.511
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     598
_refine_ls_number_reflns         9003
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.511
_refine_ls_R_factor_all          0.0580
_refine_ls_R_factor_gt           0.0385
_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^)+(0.0000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0581
_refine_ls_wR_factor_ref         0.0609
_reflns_number_gt                6738
_reflns_number_total             9003
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra00987a2.cif
_cod_data_source_block           CCDC1015498
_cod_original_sg_symbol_H-M      p-1
_cod_database_code               7219760