Synthesis, characterisation and ethylene oligomerization behaviour of N-(2-substituted-5,6,7-trihydroquinolin-8-ylidene)arylaminonickel dichlorides
Yu, Jiangang; Hu, Xinquan; Zeng, Yanning; Zhang, Liping; Ni, Caihua; Hao, Xiang; Sun, Wen-Hua; New Journal of Chemistry 35 (2011) 178–; doi:10.1039/c0nj00516a

data_7052544
_publ_section_title
;
 Synthesis, characterisation and ethylene oligomerization behaviour of
 N-(2-substituted-5,6,7-trihydroquinolin-8-ylidene)arylaminonickel
 dichlorides
;
_journal_issue                   1
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              178
_journal_paper_doi               10.1039/c0nj00516a
_journal_volume                  35
_journal_year                    2011
_chemical_formula_sum            'C27 H30 Cl2 N2 Ni'
_chemical_formula_weight         512.14
_chemical_name_systematic
;
?
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   15.896(3)
_cell_length_b                   16.770(3)
_cell_length_c                   18.790(4)
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.44
_cell_measurement_theta_min      2.07
_cell_volume                     5009.0(17)
_computing_cell_refinement       'Siemens SMART & SAINT'
_computing_data_collection       'Siemens SMART'
_computing_data_reduction        'Siemens XPREP'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Siemens SHELXTL'
_computing_structure_solution    'Siemens SHELXTL'
_diffrn_ambient_temperature      293(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  0.0906
_diffrn_reflns_av_sigmaI/netI    0.0545
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            37551
_diffrn_reflns_theta_full        27.44
_diffrn_reflns_theta_max         27.44
_diffrn_reflns_theta_min         2.07
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    1.005
_exptl_absorpt_correction_T_max  0.9303
_exptl_absorpt_correction_T_min  0.8421
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.358
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2144
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.559
_refine_diff_density_min         -0.871
_refine_diff_density_rms         0.131
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.463
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         5709
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.463
_refine_ls_R_factor_gt           0.1399
_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^)+(0.0618P)^2^+29.1503P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2849
_refine_ls_wR_factor_ref         0.2953
_reflns_number_gt                5276
_reflns_number_total             5709
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0NJ00516A.TXT
_cod_data_source_block           Ni8
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1555 2011-01-17 13:19:09Z saulius 
;
_cod_original_cell_volume        5009.0(18)
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7052544
_refine_ls_r_factor_ref          0.1515