Di-cobalt(ii) catalysts for the copolymerisation of CO2 and cyclohexene oxide: support for a dinuclear mechanism?
Kember, Michael R.; Jutz, Fabian; Buchard, Antoine; White, Andrew J. P.; Williams, Charlotte K.; Chemical Science 3 (2012) 1245–; doi:10.1039/c2sc00802e

data_1515010
_publ_section_title
;
 Di-cobalt(ii) catalysts for the copolymerisation of CO2 and cyclohexene
 oxide: support for a dinuclear mechanism?
;
_journal_issue                   4
_journal_name_full               'Chemical Science'
_journal_page_first              1245
_journal_paper_doi               10.1039/c2sc00802e
_journal_volume                  3
_journal_year                    2012
_chemical_formula_moiety         'C68 H108 Cl5 Co4 K N8 O4, 8(C H2 Cl2)'
_chemical_formula_sum            'C76 H124 Cl21 Co4 K N8 O4'
_chemical_formula_weight         2233.10
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 96.1289(13)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.78965(15)
_cell_length_b                   31.1301(4)
_cell_length_c                   27.4398(3)
_cell_measurement_reflns_used    16761
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      72.3392
_cell_measurement_theta_min      2.1509
_cell_volume                     10013.2(2)
_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 0.968
_diffrn_measured_fraction_theta_max 0.934
_diffrn_measurement_device_type  'OD Xcalibur PX Ultra'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance Ultra (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0426
_diffrn_reflns_av_sigmaI/netI    0.0504
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            36036
_diffrn_reflns_theta_full        66.65
_diffrn_reflns_theta_max         72.56
_diffrn_reflns_theta_min         2.15
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    11.008
_exptl_absorpt_correction_T_max  0.448
_exptl_absorpt_correction_T_min  0.150
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET)
(compiled May 6 2009,17:20:42)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
;
_exptl_crystal_colour            Pink
_exptl_crystal_density_diffrn    1.481
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             4608
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.09
_refine_diff_density_max         1.533
_refine_diff_density_min         -0.977
_refine_diff_density_rms         0.107
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1054
_refine_ls_number_reflns         18582
_refine_ls_number_restraints     58
_refine_ls_restrained_S_all      1.071
_refine_ls_R_factor_all          0.1075
_refine_ls_R_factor_gt           0.0803
_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^)+(0.0823P)^2^+45.4461P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1979
_refine_ls_wR_factor_ref         0.2113
_reflns_number_gt                13181
_reflns_number_total             18582
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2sc00802e.txt
_cod_data_source_block           2b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1515010