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_1515012
_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
'C34 H54 Cl3 Co2 N4 O2, C9 H17 N2, C4 H8 O, 0.5(C6 H14)'
_chemical_formula_sum            'C50 H86 Cl3 Co2 N6 O3'
_chemical_formula_weight         1043.46
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                69.978(3)
_cell_angle_beta                 71.369(3)
_cell_angle_gamma                85.244(3)
_cell_formula_units_Z            2
_cell_length_a                   12.4636(4)
_cell_length_b                   15.6121(6)
_cell_length_c                   15.8197(5)
_cell_measurement_reflns_used    14146
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      32.8905
_cell_measurement_theta_min      3.2207
_cell_volume                     2739.42(18)
_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 0.876
_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  0.0189
_diffrn_reflns_av_sigmaI/netI    0.0492
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            32068
_diffrn_reflns_theta_full        31.00
_diffrn_reflns_theta_max         32.97
_diffrn_reflns_theta_min         3.23
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.796
_exptl_absorpt_correction_T_max  0.900
_exptl_absorpt_correction_T_min  0.779
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan 5 2010,16:28:46)
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    1.265
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             1114
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.467
_refine_diff_density_min         -0.344
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.927
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     684
_refine_ls_number_reflns         18033
_refine_ls_number_restraints     416
_refine_ls_restrained_S_all      0.997
_refine_ls_R_factor_all          0.0614
_refine_ls_R_factor_gt           0.0353
_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^)+(0.0510P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0877
_refine_ls_wR_factor_ref         0.0918
_reflns_number_gt                11966
_reflns_number_total             18033
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2sc00802e.txt
_cod_data_source_block           3b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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      P-1
_cod_database_code               1515012