Complexation behaviour of hexadentate ligands possessing N2O4 and N2O2S2 cores: differential reactivity towards Co(II), Ni(II) and Zn(II) salts and structures of the products
Gudneppanavar Rajsekhar; Chebrolu P. Rao; Pauli Saarenketo; Kalle Nättinen; Kari Rissanen; New J. Chem. 28 (2004) 75–84; doi:10.1039/b305313j

data_7050121
_publ_section_title
;
 Complexation behaviour of hexadentate ligands possessing N2O4 and
 N2O2S2 cores: differential reactivity towards Co(II), Ni(II) and
 Zn(II) salts and structures of the products
;
_journal_issue                   1
_journal_name_full               'New J. Chem.'
_journal_page_first              75
_journal_page_last               84
_journal_paper_doi               10.1039/b305313j
_journal_volume                  28
_journal_year                    2004
_chemical_formula_sum            'C28 H22 N2 Ni O2 S2'
_chemical_formula_weight         541.31
_chemical_name_systematic
;
?
;
_space_group_IT_number           76
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_number      76
_symmetry_space_group_name_Hall  'P 4w'
_symmetry_space_group_name_H-M   'P 41'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.233(1)
_cell_length_b                   11.233(1)
_cell_length_c                   18.428(2)
_cell_measurement_reflns_used    10335
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1.81
_cell_volume                     2325.3(4)
_computing_cell_refinement       DENZO-SMN
_computing_data_collection       Collect
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics    'PLATON (A.L.Spek, 2000)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR-92
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'rotation in phi and omega'
_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  0.1088
_diffrn_reflns_av_sigmaI/netI    0.1760
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            8895
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.81
_exptl_absorpt_coefficient_mu    1.045
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    1.546
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1120
_exptl_crystal_size_max          0.11
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.06
_refine_diff_density_max         2.055
_refine_diff_density_min         -1.012
_refine_diff_density_rms         0.276
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.59(10)
_refine_ls_extinction_coef       0.016(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.112
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     142
_refine_ls_number_reflns         3999
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.112
_refine_ls_R_factor_all          0.2345
_refine_ls_R_factor_gt           0.1940
_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^)+(0.1253P)^2^+136.0262P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.4342
_refine_ls_wR_factor_ref         0.4559
_reflns_number_gt                2718
_reflns_number_total             3999
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b305313j.txt
_cod_data_source_block           cpr104
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P41
_cod_database_code               7050121