Bimetallic nickel and cobalt complexes as high-performance catalysts for copolymerization of carbon dioxide with cyclohexene oxide
Li, Chi-Huan; Chuang, Hui-Ju; Li, Chen-Yu; Ko, Bao-Tsan; Lin, Chia-Her; Polymer Chemistry 5 (2014) 4875–; doi:10.1039/C4PY00528G

data_1517354
_publ_section_title
;
 Bimetallic nickel and cobalt complexes as high-performance catalysts for
 copolymerization of carbon dioxide with cyclohexene oxide
;
_journal_issue                   17
_journal_name_full               'Polymer Chemistry'
_journal_page_first              4875
_journal_paper_doi               10.1039/C4PY00528G
_journal_volume                  5
_journal_year                    2014
_chemical_formula_moiety         'C26 H28 N4 O'
_chemical_formula_sum            'C26 H28 N4 O'
_chemical_formula_weight         412.52
_chemical_name_systematic
; 
 ? 
;
_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                 94.543(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   30.8673(7)
_cell_length_b                   14.8514(3)
_cell_length_c                   10.3727(2)
_cell_measurement_temperature    153(2)
_cell_volume                     4740.14(17)
_computing_cell_refinement       'Xcalibur, Sapphire3, Gemini'
_computing_data_collection       'Xcalibur, Sapphire3, Gemini'
_computing_data_reduction        'Xcalibur, Sapphire3, Gemini'
_computing_molecular_graphics    'Xcalibur, Sapphire3, Gemini'
_computing_publication_material  'Xcalibur, Sapphire3, Gemini'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Xcalibur, Sapphire3, Gemini'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0333
_diffrn_reflns_av_sigmaI/netI    0.0295
_diffrn_reflns_limit_h_max       37
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            21755
_diffrn_reflns_theta_full        69.00
_diffrn_reflns_theta_max         70.33
_diffrn_reflns_theta_min         2.87
_exptl_absorpt_coefficient_mu    0.566
_exptl_absorpt_correction_T_max  0.9352
_exptl_absorpt_correction_T_min  0.8397
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.156
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1760
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.552
_refine_diff_density_min         -0.307
_refine_diff_density_rms         0.050
_refine_ls_extinction_coef       0.00025(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   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     291
_refine_ls_number_reflns         4475
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0747
_refine_ls_R_factor_gt           0.0575
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0789P)^2^+7.0932P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1533
_refine_ls_wR_factor_ref         0.1677
_reflns_number_gt                3526
_reflns_number_total             4475
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             1516594
_cod_data_source_file            c4py00528g5.cif
_cod_data_source_block           c83c2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/current/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      'C 2/c'
_cod_database_code               1517354