Synthesis of nickel complexes with bidentate N,O-type ligands and application in the catalytic oligomerization of ethylene
Kermagoret, Anthony; Braunstein, Pierre; Dalton Transactions  (2008) 1564–1573; doi:10.1039/b716111e

data_7003430
_publ_section_title
;
 Synthesis of nickel complexes with bidentate N,O-type ligands and
 application in the catalytic oligomerization of ethylene
;
_journal_issue                   12
_journal_name_full               'Dalton Transactions'
_journal_page_first              1564
_journal_page_last               1573
_journal_paper_doi               10.1039/b716111e
_journal_year                    2008
_chemical_formula_moiety         'C30 H56 Cl4 N4 Ni2 O8'
_chemical_formula_sum            'C30 H56 Cl4 N4 Ni2 O8'
_chemical_formula_weight         860.01
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                79.71(5)
_cell_angle_beta                 66.07(5)
_cell_angle_gamma                72.39(5)
_cell_formula_units_Z            1
_cell_length_a                   9.519(2)
_cell_length_b                   10.696(2)
_cell_length_c                   10.759(3)
_cell_measurement_reflns_used    8497
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      30.034
_cell_measurement_theta_min      0.998
_cell_volume                     952.4(6)
_computing_cell_refinement       'Denzo (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo (Nonius B.V., 1998)'
_computing_molecular_graphics    'PLATON 98 (Spek, 1998)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       '\p scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0509
_diffrn_reflns_av_sigmaI/netI    0.0603
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            14833
_diffrn_reflns_theta_full        30.07
_diffrn_reflns_theta_max         30.07
_diffrn_reflns_theta_min         2.00
_exptl_absorpt_coefficient_mu    1.320
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.499
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             452
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         2.007
_refine_diff_density_min         -1.010
_refine_diff_density_rms         0.194
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         5561
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0894
_refine_ls_R_factor_gt           0.0711
_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^)+(0.0350P)^2^+10.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1923
_refine_ls_wR_factor_ref         0.2013
_reflns_number_gt                4446
_reflns_number_total             5561
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b716111e.txt
_cod_data_source_block           1
_cod_original_cell_volume        952.4(4)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7003430