Nickel bis{4,6-dibenzhydryl-2-[(arylimino)methyl]phenoxylate} complexes: Synthesis, structures, and catalytic behaviour towards ethylene and norbornene
Zhou, Zihong; Hao, Xiang; Redshaw, Carl; Chen, Langqiu; Sun, Wen-Hua; Catalysis Science & Technology 2 (2012) 1340–; doi:10.1039/c2cy20028g

data_1556315
_publ_section_title
;
 Nickel bis{4,6-dibenzhydryl-2-[(arylimino)methyl]phenoxylate} complexes:
 Synthesis, structures, and catalytic behaviour towards ethylene and
 norbornene
;
_journal_issue                   7
_journal_name_full               'Catalysis Science &amp; Technology'
_journal_page_first              1340
_journal_paper_doi               10.1039/c2cy20028g
_journal_volume                  2
_journal_year                    2012
_chemical_formula_sum            'C78 H56 F4 N2 Ni O2'
_chemical_formula_weight         1187.96
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'C 1 2/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                 110.26(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   47.225(9)
_cell_length_b                   16.333(3)
_cell_length_c                   17.278(4)
_cell_measurement_reflns_used    19101
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.4717
_cell_measurement_theta_min      1.2562
_cell_volume                     12502(5)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2007)'
_computing_molecular_graphics    'XP in Siemens SHELXTL (Sheldrick, 1994)'
_computing_publication_material  'SHELX97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\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  0.0691
_diffrn_reflns_av_sigmaI/netI    0.0698
_diffrn_reflns_limit_h_max       56
_diffrn_reflns_limit_h_min       -50
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            34999
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         0.92
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.372
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6700
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.262
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4944
_exptl_crystal_size_max          0.2800
_exptl_crystal_size_mid          0.2200
_exptl_crystal_size_min          0.2000
_platon_squeeze_details          ' ?'
_refine_diff_density_max         0.674
_refine_diff_density_min         -1.363
_refine_diff_density_rms         0.087
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.175
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     786
_refine_ls_number_reflns         10994
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.175
_refine_ls_R_factor_gt           0.0974
_refine_ls_shift/su_max          0.024
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0864P)^2^+58.6397P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2313
_refine_ls_wR_factor_ref         0.2436
_reflns_number_gt                9129
_reflns_number_total             10994
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2cy20028g.txt
_cod_data_source_block           Ni6
_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/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/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_cell_volume        12503(4)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               1556315
_refine_ls_r_factor_ref          0.1155