[2 x 2] Molecular Grids of Ni(II) and Zn(II) with Redox-Active 1,4-Pyrazine-Bis(thiosemicarbazone) Ligands
Arefyeva, N.; Sandleben, A.; Krest, A.; Baumann, U.; Schafer, M.; Kempf, M.; Klein, A.; Inorganics 6 (2018) 51–; doi:10.3390/inorganics6020051

data_1556604
_publ_section_title
;
 [2 x 2] Molecular Grids of Ni(II) and Zn(II) with Redox-Active
 1,4-Pyrazine-Bis(thiosemicarbazone) Ligands
;
_journal_name_full               Inorganics
_journal_page_first              51
_journal_paper_doi               10.3390/inorganics6020051
_journal_volume                  6
_journal_year                    2018
_chemical_formula_moiety         'C40 H48 N32 Ni4 S8'
_chemical_formula_sum            'C40 H48 N32 Ni4 S8'
_chemical_formula_weight         1468.42
_space_group_crystal_system      tetragonal
_space_group_IT_number           97
_space_group_name_Hall           'I 4 2'
_space_group_name_H-M_alt        'I 4 2 2'
_atom_sites_solution_hydrogens   mixed
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   18.8863(9)
_cell_length_b                   18.8863(9)
_cell_length_c                   18.4813(10)
_cell_measurement_reflns_used    31910
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.782
_cell_measurement_theta_min      2.157
_cell_volume                     6592.1(6)
_computing_cell_refinement       'X-AREA (STOE & Cie 2001)'
_computing_data_collection       'X-AREA (STOE & Cie 2001)'
_computing_data_reduction        'X-RED (STOE & Cie 2001)'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 2006)'
_computing_publication_material  'WinGX publication routines (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SIR92 (Giacovazzo et al, 1993)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'STOE IPDS IIT'
_diffrn_measurement_method       '\w and \f 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  0.2731
_diffrn_reflns_av_unetI/netI     0.1579
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            31910
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.782
_diffrn_reflns_theta_min         2.157
_exptl_absorpt_coefficient_mu    0.718
_exptl_absorpt_correction_T_max  0.8550
_exptl_absorpt_correction_T_min  0.4586
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
The absorption correction (X-RED; Stoe & Cie, 2005) 
was performed after optimizing the crystal shape 
using X-SHAPE (Stoe & Cie, 1999).
;
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    0.740
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1504
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         2.441
_refine_diff_density_min         -0.681
_refine_diff_density_rms         0.162
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.48(11)
_refine_ls_extinction_coef       .
_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     97
_refine_ls_number_reflns         3526
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.989
_refine_ls_R_factor_all          0.2531
_refine_ls_R_factor_gt           0.1191
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.2000P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3035
_refine_ls_wR_factor_ref         0.3937
_reflns_Friedel_coverage         0.760
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.996
_reflns_number_gt                1181
_reflns_number_total             3526
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            1484515__NiL1_4_RT.cif
_cod_data_source_block           '[Ni4(LMe)4]RT'
_cod_original_cell_volume        6592.1(7)
_cod_database_code               1556604
_shelxl_version_number           2013-4
_shelx_res_checksum              19797
_shelx_hkl_checksum              40110
_shelx_fab_checksum              4989