Sodium cubane and double-cubane aggregates of hybridised salicylaldimines and their transmetallation to nickel for catalytic ethylene oligomerisation
Xiaolu Song; Zhe Wang; Jin Zhao; T. S. Andy Hor; Chem.Commun. 49 (2013) 4992–; doi:10.1039/c3cc40320c

data_7109322
_publ_section_title
;
 Sodium cubane and double-cubane aggregates of hybridised salicylaldimines
 and their transmetallation to nickel for catalytic ethylene
 oligomerisation
;
_journal_name_full               Chem.Commun.
_journal_page_first              4992
_journal_paper_doi               10.1039/c3cc40320c
_journal_volume                  49
_journal_year                    2013
_chemical_formula_sum            'C56 H48 N4 Na4 O8'
_chemical_formula_weight         996.94
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 100.2930(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.3906(9)
_cell_length_b                   16.5378(9)
_cell_length_c                   18.1746(11)
_cell_measurement_reflns_used    2169
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      21.26
_cell_measurement_theta_min      2.22
_cell_volume                     4847.2(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0459
_diffrn_reflns_av_sigmaI/netI    0.0920
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            16970
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.76
_exptl_absorpt_coefficient_mu    0.122
_exptl_absorpt_correction_T_max  0.9831
_exptl_absorpt_correction_T_min  0.9483
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs, (Sheldrick 2001)'
_exptl_crystal_colour            Orange
_exptl_crystal_density_diffrn    1.366
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             2080
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.320
_refine_diff_density_min         -0.267
_refine_diff_density_rms         0.060
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.2(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     653
_refine_ls_number_reflns         10146
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0770
_refine_ls_R_factor_gt           0.0618
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0392P)^2^+2.0623P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1185
_refine_ls_wR_factor_ref         0.1262
_reflns_number_gt                8334
_reflns_number_total             10146
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc40320c.txt
_cod_data_source_block           b745
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'Not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      Cc
_cod_database_code               7109322