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_1556302
_publ_section_title
;
 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 Cl3 N3 S2 Cr, 1.5(C H2 Cl2)'
_chemical_formula_sum            'C38.5 H38 Cl6 Cr N3 S2'
_chemical_formula_weight         871.54
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/n 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                 95.756(15)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.3561(14)
_cell_length_b                   19.623(2)
_cell_length_c                   16.750(2)
_cell_measurement_reflns_used    28
_cell_measurement_temperature    203
_cell_measurement_theta_max      12.49
_cell_measurement_theta_min      5.00
_cell_volume                     4040.8(8)
_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 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.0244
_diffrn_reflns_av_sigmaI/netI    0.0439
_diffrn_reflns_limit_h_max       0
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            7433
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.95
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.815
_exptl_absorpt_correction_T_max  0.8943
_exptl_absorpt_correction_T_min  0.6395
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Bruker XPREP ver 5.1 (1997)'
_exptl_crystal_colour            'Dark green'
_exptl_crystal_density_diffrn    1.433
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'tabular needles'
_exptl_crystal_F_000             1792
_exptl_crystal_size_max          0.97
_exptl_crystal_size_mid          0.33
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.693
_refine_diff_density_min         -0.515
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     486
_refine_ls_number_reflns         7085
_refine_ls_number_restraints     32
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0648
_refine_ls_R_factor_gt           0.0416
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0587P)^2^+0.3368P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0966
_refine_ls_wR_factor_ref         0.1051
_reflns_number_gt                5317
_reflns_number_total             7085
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2cy00448h.txt
_cod_data_source_block           '[Cr(4)Cl3]'
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' 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      P2(1)/n
_cod_original_formula_sum        'C38.50 H38 Cl6 Cr N3 S2'
_cod_database_code               1556302