Chiral Naphthyl-α-diimine Nickel(II) Catalysts Bearingsec-Phenethyl Groups: Chain-Walking Polymerization of Ethylene at High Temperature and Stereoselective Polymerization of Methyl Methacrylate at Low Temperature
Yuan, Jianchao; Wang, Fuzhou; Xu, Weibing; Mei, Tongjian; Li, Jing; Yuan, Bingnian; Song, Fengying; Jia, Zong; Organometallics 32 (2013) 3960–; doi:10.1021/om400433t

data_4081091
_publ_section_title
;
 Chiral Naphthyl-\a-diimine Nickel(II) Catalysts Bearingsec-Phenethyl
 Groups: Chain-Walking Polymerization of Ethylene at High Temperature and
 Stereoselective Polymerization of Methyl Methacrylate at Low Temperature
;
_journal_issue                   14
_journal_name_full               Organometallics
_journal_page_first              3960
_journal_paper_doi               10.1021/om400433t
_journal_volume                  32
_journal_year                    2013
_chemical_formula_sum            'C24 H20 N2'
_chemical_formula_weight         336.42
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 92.057(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   17.726(13)
_cell_length_b                   5.818(4)
_cell_length_c                   8.475(6)
_cell_measurement_reflns_used    1141
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.34
_cell_measurement_theta_min      3.45
_cell_volume                     873.5(11)
_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      296(2)
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_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  0.0354
_diffrn_reflns_av_sigmaI/netI    0.0498
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -4
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            2775
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.30
_exptl_absorpt_coefficient_mu    0.075
_exptl_absorpt_correction_T_max  0.9859
_exptl_absorpt_correction_T_min  0.9830
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.279
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             356
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.187
_refine_diff_density_min         -0.163
_refine_diff_density_rms         0.037
_refine_ls_extinction_coef       0.051(8)
_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   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     120
_refine_ls_number_reflns         1584
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0600
_refine_ls_R_factor_gt           0.0439
_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^)+(0.0678P)^2^+0.0765P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1142
_refine_ls_wR_factor_ref         0.1265
_reflns_number_gt                1167
_reflns_number_total             1584
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400433t_si_002.cif
_cod_data_source_block           1e
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4081091