Highly active and stereospecific polymerization of 1,3-butadiene catalyzed by dinuclear cobalt(ii) complexes bearing 3-aryliminomethyl-2-hydroxybenzaldehydes.
Jie, Suyun; Ai, Pengfei; Li, Bo-Geng; Dalton transactions (Cambridge, England : 2003) 40 (2011) 10975–10982; doi:10.1039/c1dt11073j

data_7017062
_publ_section_title
;
 Highly active and stereospecific polymerization of 1,3-butadiene
 catalyzed by dinuclear cobalt(ii) complexes bearing
 3-aryliminomethyl-2-hydroxybenzaldehydes.
;
_journal_issue                   41
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10975
_journal_page_last               10982
_journal_paper_doi               10.1039/c1dt11073j
_journal_volume                  40
_journal_year                    2011
_chemical_formula_sum            'C38 H36 Cl2 Co2 N2 O8'
_chemical_formula_weight         837.45
_space_group_IT_number           88
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_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                   23.979(3)
_cell_length_b                   23.979(3)
_cell_length_c                   13.130(2)
_cell_measurement_reflns_used    3330
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.01
_cell_measurement_theta_min      1.70
_cell_volume                     7549.7(18)
_computing_cell_refinement       'Siemens SMART & SAINT'
_computing_data_collection       'Siemens SMART'
_computing_data_reduction        'Siemens XPREP'
_computing_structure_refinement  'Siemens SHELXTL'
_computing_structure_solution    'Siemens SHELXTL'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.2180
_diffrn_reflns_av_sigmaI/netI    0.1908
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            15500
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.70
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    1.074
_exptl_absorpt_correction_T_max  0.9790
_exptl_absorpt_correction_T_min  0.9586
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.474
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             3440
_exptl_crystal_size_max          0.04
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.350
_refine_diff_density_min         -0.509
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.908
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         3330
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.908
_refine_ls_R_factor_gt           0.0616
_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^)+(0.0765P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1342
_refine_ls_wR_factor_ref         0.1857
_reflns_number_gt                1234
_reflns_number_total             3330
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt11073j.txt
_cod_data_source_block           complex_C2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        7549.8(16)
_cod_original_sg_symbol_H-M      I4(1)/a
_cod_database_code               7017062
_refine_ls_r_factor_ref          0.2046