Effect of pyridyl substituents leading to the formation of green luminescent mercury(ii) coordination polymers, zinc(ii) dimers and a monomer
Singh, Vikram; Kumar, Vinod; Gupta, Ajit N.; Drew, Michael G. B.; Singh, Nanhai; New Journal of Chemistry 38 (2014) 3737–; doi:10.1039/C4NJ00435C

data_7054221
_publ_section_title
;
 Effect of pyridyl substituents leading to the formation of green
 luminescent mercury(ii) coordination polymers, zinc(ii) dimers and a
 monomer
;
_journal_issue                   8
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              3737
_journal_paper_doi               10.1039/C4NJ00435C
_journal_volume                  38
_journal_year                    2014
_chemical_formula_sum            'C24 H22 Hg N4 O2 S4'
_chemical_formula_weight         727.29
_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_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 94.053(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.103(2)
_cell_length_b                   6.2441(15)
_cell_length_c                   18.0358(15)
_cell_measurement_reflns_used    5567
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      2.97
_cell_volume                     2595.3(7)
_computing_cell_refinement       'Crysalis, Oxford Diffraction'
_computing_data_collection       'Crysalis, Oxford Diffraction'
_computing_data_reduction        'Crysalis, Oxford Diffraction'
_computing_molecular_graphics    PLATON(Spek,2004)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.957
_diffrn_measured_fraction_theta_max 0.957
_diffrn_measurement_device       'Oxford Diffaction X-Calibur System'
_diffrn_measurement_method       '321 frames, counting time 10 s.'
_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  0.0331
_diffrn_reflns_av_unetI/netI     0.0586
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            5567
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.97
_diffrn_standards_decay_%        n/a
_diffrn_standards_interval_count n/a
_diffrn_standards_interval_time  n/a
_diffrn_standards_number         n/a
_exptl_absorpt_coefficient_mu    6.282
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.894
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'ABSPACK, Oxford Diffraction Ltd'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.861
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1416
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.622
_refine_diff_density_min         -1.091
_refine_diff_density_rms         0.130
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.989
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     160
_refine_ls_number_reflns         2852
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.989
_refine_ls_R_factor_all          0.0635
_refine_ls_R_factor_gt           0.0421
_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^)+(0.0308P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0774
_refine_ls_wR_factor_ref         0.0854
_reflns_number_gt                2108
_reflns_number_total             2852
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4nj00435c2.cif
_cod_data_source_block           3
_cod_depositor_comments
'Adding full bibliography for 7054219--7054228.cif.'
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7054221