Suppression of chain transfer via a restricted rotation effect of dibenzosuberyl substituents in polymerization catalysis
Dai, Shengyu; Li, Gen; Lu, Weiqing; Liao, Yudan; Fan, Weigang; Polymer Chemistry 12 (2021) 3240–3249; doi:10.1039/D1PY00333J

data_1562355
_publ_section_title
;
 Suppression of chain transfer via a restricted rotation effect of
 dibenzosuberyl substituents in polymerization catalysis
;
_journal_issue                   22
_journal_name_full               'Polymer Chemistry'
_journal_page_first              3240
_journal_page_last               3249
_journal_paper_doi               10.1039/D1PY00333J
_journal_volume                  12
_journal_year                    2021
_chemical_formula_sum            'C59.25 H54.5 Br2 Cl2.5 N2 Ni'
_chemical_formula_weight         1101.70
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2021-02-09 deposited with the CCDC.	2021-05-03 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 93.602(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.1086(14)
_cell_length_b                   19.8115(17)
_cell_length_c                   19.2127(16)
_cell_measurement_reflns_used    4926
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      2.7874
_cell_measurement_theta_min      2.314
_cell_volume                     5739.5(9)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      298(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0781
_diffrn_reflns_av_sigmaI/netI    0.1124
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            28553
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.31
_exptl_absorpt_coefficient_mu    1.883
_exptl_absorpt_correction_T_max  0.6503
_exptl_absorpt_correction_T_min  0.5052
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.275
_exptl_crystal_density_meas      1.271
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2258
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.25
_refine_diff_density_max         1.005
_refine_diff_density_min         -0.462
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     654
_refine_ls_number_reflns         10081
_refine_ls_number_restraints     60
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.1506
_refine_ls_R_factor_gt           0.0697
_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^)+(0.1055P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2153
_refine_ls_wR_factor_ref         0.2354
_reflns_number_gt                4461
_reflns_number_total             10081
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d1py00333j2.cif
_cod_data_source_block           191024b
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 1562355--1562358.cif.
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_original_formula_sum        'C59.25 H54.50 Br2 Cl2.50 N2 Ni'
_cod_database_code               1562355