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_1515009
_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, 7.5(C H2 Cl2)'
_chemical_formula_sum            'C75.5 H123 Cl20 Co4 K N8 O4'
_chemical_formula_weight         2190.64
_chemical_name_systematic
;
?
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m 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            4
_cell_length_a                   23.2374(5)
_cell_length_b                   30.6555(6)
_cell_length_c                   14.1318(4)
_cell_measurement_reflns_used    16492
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      30.2542
_cell_measurement_theta_min      3.0076
_cell_volume                     10066.8(4)
_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 15.9825
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.866
_diffrn_measurement_device_type  'OD Xcalibur 3'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0256
_diffrn_reflns_av_sigmaI/netI    0.0395
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       38
_diffrn_reflns_limit_k_min       -42
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            32133
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         30.33
_diffrn_reflns_theta_min         3.01
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.267
_exptl_absorpt_correction_T_max  0.769
_exptl_absorpt_correction_T_min  0.672
_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            'Dark pink'
_exptl_crystal_density_diffrn    1.445
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prisms
_exptl_crystal_F_000             4524
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.33
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.968
_refine_diff_density_min         -0.896
_refine_diff_density_rms         0.096
_refine_ls_extinction_coef       0.00035(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.151
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     623
_refine_ls_number_reflns         13312
_refine_ls_number_restraints     166
_refine_ls_restrained_S_all      1.159
_refine_ls_R_factor_all          0.0757
_refine_ls_R_factor_gt           0.0572
_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^)+(0.0353P)^2^+36.8466P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1392
_refine_ls_wR_factor_ref         0.1437
_reflns_number_gt                10248
_reflns_number_total             13312
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2sc00802e.txt
_cod_data_source_block           2a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_cell_volume        10066.9(4)
_cod_original_sg_symbol_H-M      Pnma
_cod_original_formula_sum        'C75.50 H123 Cl20 Co4 K N8 O4'
_cod_database_code               1515009