Fine-Tuning Nickel Phenoxyimine Olefin Polymerization Catalysts: Performance Boosting by Alkali Cations.
Cai, Zhongzheng; Xiao, Dawei; Do, Loi H.; Journal of the American Chemical Society 137 (2015) 15501–15510; doi:10.1021/jacs.5b10351

data_4129756
_publ_section_title
;
 Fine-Tuning Nickel Phenoxyimine Olefin Polymerization Catalysts:
 Performance Boosting by Alkali Cations.
;
_journal_issue                   49
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15501
_journal_page_last               15510
_journal_paper_doi               10.1021/jacs.5b10351
_journal_volume                  137
_journal_year                    2015
_chemical_formula_sum            'C51 H58 N Ni O4 P'
_chemical_formula_weight         838.66
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P n a 21'
_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                   24.3130(12)
_cell_length_b                   9.2770(5)
_cell_length_c                   19.2048(11)
_cell_measurement_reflns_used    9726
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.56
_cell_measurement_theta_min      2.58
_cell_volume                     4331.7(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0137
_diffrn_reflns_av_sigmaI/netI    0.0281
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -34
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            55608
_diffrn_reflns_theta_full        30.56
_diffrn_reflns_theta_max         30.56
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    0.531
_exptl_absorpt_correction_T_max  0.9151
_exptl_absorpt_correction_T_min  0.8699
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.286
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             1784
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.366
_refine_diff_density_min         -0.298
_refine_diff_density_rms         0.047
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.009(4)
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     523
_refine_ls_number_reflns         12540
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0215
_refine_ls_R_factor_gt           0.0211
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0333P)^2^+0.6343P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0576
_refine_ls_wR_factor_ref         0.0577
_reflns_number_gt                12310
_reflns_number_total             12540
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja5b10351_si_001.cif
_cod_data_source_block           NiL2Mes
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'EMPIRICAL' was
changed to 'empirical' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

data item '_refine_ls_hydrogen_treatment' value 'CONSTR' was changed
to 'constr' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      Pna2(1)
_cod_database_code               4129756