Facile luminescent tuning of Zn(II)/Hg(II) complexes based on flexible, semi-rigid and rigid polydentate Schiff bases from blue to green to red: structural, photophysics, electrochemistry and theoretical calculations studies.
Wang, Xin-Ming; Chen, Shuo; Fan, Rui-Qing; Zhang, Fu-Qiang; Yang, Yu-Lin; Dalton transactions (Cambridge, England : 2003) 44 (2015) 8107–8125; doi:10.1039/c5dt00057b

data_7034552
_publ_section_title
;
 Facile luminescent tuning of Zn(II)/Hg(II) complexes based on flexible,
 semi-rigid and rigid polydentate Schiff bases from blue to green to red:
 structural, photophysics, electrochemistry and theoretical calculations
 studies.
;
_journal_issue                   17
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8107
_journal_page_last               8125
_journal_paper_doi               10.1039/c5dt00057b
_journal_volume                  44
_journal_year                    2015
_chemical_formula_sum            'C19 H21 Cl6 Hg2 N4'
_chemical_formula_weight         919.28
_chemical_melting_point          223
_chemical_name_common            Hg2
_space_group_IT_number           15
_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
_audit_update_record
;
2011-07-12 deposited with the CCDC.
2015-03-23 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.75
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.247
_cell_length_b                   15.775
_cell_length_c                   17.778
_cell_measurement_reflns_used    12478
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.41
_cell_volume                     2593.080
_computing_cell_refinement       'Bruker Smart'
_computing_data_collection       'Bruker Smart'
_computing_data_reduction        'Bruker Smart'
_computing_molecular_graphics    SHELXP-97
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_method       'Phi and omega 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  0.0620
_diffrn_reflns_av_sigmaI/netI    0.0493
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            12478
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.41
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    12.460
_exptl_absorpt_correction_T_max  0.2126
_exptl_absorpt_correction_T_min  0.1088
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.355
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1700
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.18
_refine_diff_density_max         1.682
_refine_diff_density_min         -2.393
_refine_diff_density_rms         0.187
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     141
_refine_ls_number_reflns         2957
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.101
_refine_ls_R_factor_all          0.0425
_refine_ls_R_factor_gt           0.0374
_refine_ls_shift/su_max          0.033
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0474P)^2^+16.5377P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0964
_refine_ls_wR_factor_ref         0.0996
_reflns_number_gt                2625
_reflns_number_total             2957
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt00057b2.cif
_cod_data_source_block           hg
_cod_depositor_comments
'Adding full bibliography for 7034551--7034562.cif.'
_cod_original_cell_volume        2593.1
_cod_database_code               7034552