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_7219762
_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            'C26 H22 Cl2 N4 O2 Zn2'
_chemical_formula_weight         624.12
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                90.00
_cell_angle_beta                 103.388(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.330(3)
_cell_length_b                   9.003(3)
_cell_length_c                   15.332(4)
_cell_measurement_reflns_used    2043
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.70
_cell_measurement_theta_min      2.34
_cell_volume                     1252.9(7)
_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 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0247
_diffrn_reflns_av_sigmaI/netI    0.0288
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            6176
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.34
_exptl_absorpt_coefficient_mu    2.160
_exptl_absorpt_correction_T_max  0.7970
_exptl_absorpt_correction_T_min  0.5830
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.655
_exptl_crystal_density_meas      1.655
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.268
_refine_diff_density_min         -0.236
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         2203
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0371
_refine_ls_R_factor_gt           0.0276
_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^)+(0.0365P)^2^+0.0279P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0684
_refine_ls_wR_factor_ref         0.0721
_reflns_number_gt                1787
_reflns_number_total             2203
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra00987a2.cif
_cod_data_source_block           CCDC1015500
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 3105 2015-03-04 15:46:00Z robertas 
;
_cod_original_cell_volume        1252.8(6)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7219762