The effect of the central donor in bis(benzimidazole)-based cobalt catalysts for the selective cis-1,4-polymerisation of butadiene.
Cariou, Renan; Chirinos, Juan J.; Gibson, Vernon C.; Jacobsen, Grant; Tomov, Atanas K.; Britovsek, George J. P.; White, Andrew J. P.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 9039–9045; doi:10.1039/c0dt00402b

data_7026413
_publ_section_title
;
 The effect of the central donor in bis(benzimidazole)-based cobalt
 catalysts for the selective cis-1,4-polymerisation of butadiene.
;
_journal_issue                   38
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9039
_journal_page_last               9045
_journal_paper_doi               10.1039/c0dt00402b
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C16 H15 Cl2 Co N5, C3 H7 N O, 0.5(C4 H10 O)'
_chemical_formula_sum            'C21 H27 Cl2 Co N6 O1.5'
_chemical_formula_weight         517.32
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 112.2954(15)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   22.6305(3)
_cell_length_b                   8.25098(10)
_cell_length_c                   28.3753(4)
_cell_measurement_reflns_used    6822
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      71.2341
_cell_measurement_theta_min      3.1533
_cell_volume                     4902.24(12)
_computing_cell_refinement       'CrysAlis RED, Oxford Diffraction Ltd'
_computing_data_collection       'CrysAlis CCD, Oxford Diffraction Ltd'
_computing_data_reduction        'CrysAlis RED, Oxford Diffraction Ltd'
_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      173(2)
_diffrn_detector_area_resol_mean 8.2556
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'OD Xcalibur PX Ultra'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance Ultra (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54248
_diffrn_reflns_av_R_equivalents  0.0308
_diffrn_reflns_av_sigmaI/netI    0.0314
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            16165
_diffrn_reflns_theta_full        71.00
_diffrn_reflns_theta_max         71.46
_diffrn_reflns_theta_min         3.37
_exptl_absorpt_coefficient_mu    7.716
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.70645
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.31.7 (release 18-10-2006 CrysAlis171 .NET)
(compiled Oct 18 2006,16:28:17)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            Blue
_exptl_crystal_density_diffrn    1.402
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       shards
_exptl_crystal_F_000             2144
_exptl_crystal_size_max          0.11
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.258
_refine_diff_density_min         -0.221
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.974
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     317
_refine_ls_number_reflns         4673
_refine_ls_number_restraints     43
_refine_ls_restrained_S_all      0.976
_refine_ls_R_factor_all          0.0422
_refine_ls_R_factor_gt           0.0294
_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^)+(0.0410P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0662
_refine_ls_wR_factor_ref         0.0714
_reflns_number_gt                3714
_reflns_number_total             4673
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00402b.txt
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_original_formula_sum        'C21 H27 Cl2 Co N6 O1.50'
_cod_database_code               7026413