The effect of imine-carbon substituents in bis(imino)pyridine-based ethylene polymerisation catalysts across the transition series
Smit, Theo M.; Tomov, Atanas K.; Britovsek, George J. P.; Gibson, Vernon C.; White, Andrew J. P.; Williams, David J.; Catalysis Science & Technology 2 (2012) 643–; doi:10.1039/c2cy00448h

data_1556304
_publ_section_title
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 The effect of imine-carbon substituents in bis(imino)pyridine-based
 ethylene polymerisation catalysts across the transition series
;
_journal_issue                   3
_journal_name_full               'Catalysis Science &amp; Technology'
_journal_page_first              643
_journal_paper_doi               10.1039/c2cy00448h
_journal_volume                  2
_journal_year                    2012
_chemical_formula_moiety         'C37 H35 Br2 N3 Ni S2, C4 H8 O'
_chemical_formula_sum            'C41 H43 Br2 N3 Ni O S2'
_chemical_formula_weight         876.43
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P b c a'
_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            8
_cell_length_a                   17.540(3)
_cell_length_b                   20.405(4)
_cell_length_c                   22.230(4)
_cell_measurement_reflns_used    29
_cell_measurement_temperature    203
_cell_measurement_theta_max      11.49
_cell_measurement_theta_min      5.05
_cell_volume                     7956(3)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      203
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w 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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.1665
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            5835
_diffrn_reflns_theta_full        23.49
_diffrn_reflns_theta_max         23.49
_diffrn_reflns_theta_min         2.00
_diffrn_standards_decay_%        21.92
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    2.637
_exptl_absorpt_correction_T_max  0.7727
_exptl_absorpt_correction_T_min  0.3565
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Bruker XPREP ver 5.1 (1997)'
_exptl_crystal_colour            Orange-red
_exptl_crystal_density_diffrn    1.463
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             3584
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.702
_refine_diff_density_min         -0.533
_refine_diff_density_rms         0.136
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     457
_refine_ls_number_reflns         5835
_refine_ls_number_restraints     36
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.1832
_refine_ls_R_factor_gt           0.0786
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0708P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1878
_refine_ls_wR_factor_ref         0.2168
_reflns_number_gt                2824
_reflns_number_total             5835
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2cy00448h.txt
_cod_data_source_block           '[Ni(4)Br2]'
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               1556304