Bis(imino)quaterpyridine-bearing multimetallic late transition metal complexes as ethylene oligomerisation catalysts
Khamker, Qudsia; Champouret, Yohan D. M.; Singh, Kuldip; Solan, Gregory A.; Dalton Transactions  (2009) 8935–8944; doi:10.1039/b910181k

data_7030606
_publ_section_title
;
 Bis(imino)quaterpyridine-bearing multimetallic late transition metal
 complexes as ethylene oligomerisation catalysts
;
_journal_coden_ASTM              DTARAF
_journal_issue                   41
_journal_name_full               'Dalton Transactions'
_journal_page_first              8935
_journal_page_last               8944
_journal_paper_doi               10.1039/b910181k
_journal_year                    2009
_chemical_formula_moiety
' (C114 H137 Cl6 N15 Ni4) (Ni Cl4)45(C H3 C N)'
_chemical_formula_sum            'C204 H272 Cl10 N60 Ni5'
_chemical_formula_weight         4212.87
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 95.776(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.953(8)
_cell_length_b                   30.086(13)
_cell_length_c                   30.593(13)
_cell_measurement_reflns_used    700
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.052
_cell_measurement_theta_min      2.432
_cell_volume                     15525(12)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Apex 2000 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  0.2767
_diffrn_reflns_av_sigmaI/netI    0.3929
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -37
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            120386
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         0.95
_exptl_absorpt_coefficient_mu    0.859
_exptl_absorpt_correction_T_max  0.8749
_exptl_absorpt_correction_T_min  0.7767
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
absorption correction based on 5853 reflections(SADABS);Rint 0.2015 before
correction and 0.0713 after.
;
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.802
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             8904
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.16
_refine_diff_density_max         1.485
_refine_diff_density_min         -0.871
_refine_diff_density_rms         0.185
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.847
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     681
_refine_ls_number_reflns         30466
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.847
_refine_ls_R_factor_all          0.2926
_refine_ls_R_factor_gt           0.1210
_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^)+(0.1180P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2877
_refine_ls_wR_factor_ref         0.3430
_reflns_number_gt                6951
_reflns_number_total             30466
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             7002528
_cod_data_source_file            b910181k.txt
_cod_data_source_block           09039
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

The following automatic conversions were performed:

'_refine_ls_hydrogen_treatment' value 'constrained' was replaced with
the value 'constr' as specified in the replacement file
'src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7030606