Synthesis of bis-(benzocyclohexan-ketoimino) Ni(ii) with different electron groups and their catalytic copolymerization of norbornene and polar norbornene
He, Xiaohui; Yang, Yingping; Wang, Suli; Han, Zhilong; Tu, Guangshui; Zhang, Feng; Huang, Shengmei; Wang, Zijie; Chen, Defu; RSC Adv. 7 (2017) 48745–; doi:10.1039/C7RA09944D

data_7229356
_publ_section_title
;
 Synthesis of bis-(benzocyclohexan-ketoimino) Ni(ii) with different
 electron groups and their catalytic copolymerization of norbornene and
 polar norbornene
;
_journal_issue                   77
_journal_name_full               'RSC Adv.'
_journal_page_first              48745
_journal_paper_doi               10.1039/C7RA09944D
_journal_volume                  7
_journal_year                    2017
_chemical_formula_sum            'C36 H30 F2 N2 Ni O2'
_chemical_formula_weight         619.33
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_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
;
2016-09-21 deposited with the CCDC.
2017-10-04 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 93.538(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.916(3)
_cell_length_b                   7.111(3)
_cell_length_c                   21.905(8)
_cell_measurement_temperature    296(2)
_cell_volume                     1386.2(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.971
_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  0.0391
_diffrn_reflns_av_sigmaI/netI    0.0412
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            8415
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.42
_exptl_absorpt_coefficient_mu    0.752
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.484
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             644
_refine_diff_density_max         0.571
_refine_diff_density_min         -0.424
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.950
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     197
_refine_ls_number_reflns         2632
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.950
_refine_ls_R_factor_all          0.0585
_refine_ls_R_factor_gt           0.0478
_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^)+(0.0000P)^2^+4.4658P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0972
_refine_ls_wR_factor_ref         0.1003
_reflns_number_gt                2235
_reflns_number_total             2632
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7ra09944d1.cif
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      p21/n
_cod_database_code               7229356