Exploration of CH⋯π interactions involving the π-system of pseudohalide coligands in metal complexes of a Schiff-base ligand
Chakraborty, Prateeti; Purkait, Suranjana; Mondal, Sandip; Bauzá, Antonio; Frontera, Antonio; Massera, Chiara; Das, Debasis; CrystEngComm 17 (2015) 4680–; doi:10.1039/C5CE00795J

data_7220680
_publ_section_title
;
 Exploration of CH&#x22EF;\p interactions involving the \p-system of
 pseudohalide coligands in metal complexes of a Schiff-base ligand
;
_journal_issue                   25
_journal_name_full               CrystEngComm
_journal_page_first              4680
_journal_paper_doi               10.1039/C5CE00795J
_journal_volume                  17
_journal_year                    2015
_chemical_formula_moiety         '(C18 H19 N5 S2 Zn)'
_chemical_formula_sum            'C18 H19 N5 S2 Zn'
_chemical_formula_weight         434.87
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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
;
2015-01-12 deposited with the CCDC.
2015-05-15 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 106.672(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.886(2)
_cell_length_b                   18.133(4)
_cell_length_c                   13.793(3)
_cell_measurement_reflns_used    649
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      23.81
_cell_measurement_theta_min      2.25
_cell_volume                     2129.0(8)
_computing_data_collection       SMART
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_structure_refinement
'SHELXL97, G. M. Sheldrick, Acta Cryst. A, 2008,A64,112-122.'
_computing_structure_solution    'SIR97 (Giacovazzo et al., 1999)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.830
_diffrn_measured_fraction_theta_max 0.830
_diffrn_measurement_device_type  'BRUKER AXS SMART 1000'
_diffrn_measurement_method       omega-scan
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0283
_diffrn_reflns_av_sigmaI/netI    0.0379
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            6925
_diffrn_reflns_theta_full        23.81
_diffrn_reflns_theta_max         23.81
_diffrn_reflns_theta_min         2.25
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.360
_exptl_absorpt_correction_T_max  0.7450
_exptl_absorpt_correction_T_min  0.5251
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker AXS SADABS'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.357
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.08
_refine_diff_density_max         3.349
_refine_diff_density_min         -0.427
_refine_diff_density_rms         0.124
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         2703
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.1072
_refine_ls_R_factor_gt           0.0871
_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^)+(0.1554P)^2^+9.4526P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2390
_refine_ls_wR_factor_ref         0.2597
_reflns_number_gt                2072
_reflns_number_total             2703
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ce00795j2.cif
_cod_data_source_block           dd228
_cod_depositor_comments
'Adding full bibliography for 7220680--7220682.cif.'
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7220680