Nickel(II) Complexes with Three-Dimensional Geometry α-Diimine Ligands: Synthesis and Catalytic Activity toward Copolymerization of Norbornene
Huo, Ping; Liu, Wanyun; He, Xiaohui; Wang, Hongming; Chen, Yiwang; Organometallics 32 (2013) 2291–; doi:10.1021/om300883h

data_4080155
_publ_section_title
;
 Nickel(II) Complexes with Three-Dimensional Geometry \a-Diimine Ligands:
 Synthesis and Catalytic Activity toward Copolymerization of Norbornene
;
_journal_issue                   8
_journal_name_full               Organometallics
_journal_page_first              2291
_journal_paper_doi               10.1021/om300883h
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C40 H44 N2'
_chemical_formula_sum            'C40 H44 N2'
_chemical_formula_weight         552.77
_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                 109.85(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.5237(18)
_cell_length_b                   21.689(4)
_cell_length_c                   15.496(3)
_cell_measurement_reflns_used    5846
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      22.29
_cell_measurement_theta_min      2.26
_cell_volume                     3326.8(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 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0328
_diffrn_reflns_av_sigmaI/netI    0.0272
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            25386
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.26
_exptl_absorpt_coefficient_mu    0.063
_exptl_absorpt_correction_T_max  0.9887
_exptl_absorpt_correction_T_min  0.9825
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.104
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1192
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.140
_refine_diff_density_min         -0.153
_refine_diff_density_rms         0.031
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     387
_refine_ls_number_reflns         6181
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0704
_refine_ls_R_factor_gt           0.0441
_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^)+(0.0528P)^2^+0.5615P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1049
_refine_ls_wR_factor_ref         0.1208
_reflns_number_gt                4294
_reflns_number_total             6181
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om300883h_si_002.cif
_cod_data_source_block           L2
_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_cell_volume        3326.8(10)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4080155