Vanadium complexes possessing N2O2S2-based ligands: highly active procatalysts for the homopolymerization of ethylene and copolymerization of ethylene/1-hexene.
Homden, Damien M.; Redshaw, Carl; Hughes, David L.; Inorganic chemistry 46 (2007) 10827–10839; doi:10.1021/ic701461b

data_4339343
_publ_section_title
;
 Vanadium complexes possessing N2O2S2-based ligands: highly active
 procatalysts for the homopolymerization of ethylene and copolymerization
 of ethylene/1-hexene.
;
_journal_issue                   25
_journal_name_full               'Inorganic chemistry'
_journal_page_first              10827
_journal_page_last               10839
_journal_paper_doi               10.1021/ic701461b
_journal_volume                  46
_journal_year                    2007
_chemical_formula_moiety         'C74 H80 N4 O4 S4 V2, 2(C4 H10 O1)'
_chemical_formula_structural
V(SC6H4NCHC6H2Me,tBu,O)2(CH2SC6H4NCHC6H2Me,tBu,O)2,(C4H10O)2
_chemical_formula_sum            'C82 H100 N4 O6 S4 V2'
_chemical_formula_weight         1467.78
_chemical_name_common            'Compound 7'
_chemical_name_systematic
;
 ?
;
_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 and CrysAlis RED'
_cell_angle_alpha                73.40(2)
_cell_angle_beta                 80.22(2)
_cell_angle_gamma                65.98(2)
_cell_formula_units_Z            1
_cell_length_a                   11.567(3)
_cell_length_b                   12.515(3)
_cell_length_c                   14.789(4)
_cell_measurement_temperature    140(1)
_cell_volume                     1870.5(9)
_computing_cell_refinement
;
 CrysAlis RED, Oxford Diffraction Ltd., Version 1.171.28c4 beta 
;
_computing_data_collection
;
 CrysAlis CCD, Oxford Diffraction Ltd., Version 1.171.28c4 beta 
;
_computing_data_reduction
;
 CrysAlis RED, Oxford Diffraction Ltd., Version 1.171.28c4 beta 
;
_computing_molecular_graphics    'ORTEP (Johnson, 1971)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997b)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997b)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      140(1)
_diffrn_detector_area_resol_mean 16.0050
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur 3/CCD'
_diffrn_measurement_method       'Thin slice \f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           Mo-K\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1004
_diffrn_reflns_av_sigmaI/netI    0.0944
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            11010
_diffrn_reflns_theta_full        20.00
_diffrn_reflns_theta_max         20.00
_diffrn_reflns_theta_min         3.57
_exptl_absorpt_coefficient_mu    0.417
_exptl_absorpt_correction_T_max  1.0307
_exptl_absorpt_correction_T_min  0.9724
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 CrysAlis RED, Oxford Diffraction Ltd., Version 1.171.28c4 beta 
 Empirical absorption correction using spherical harmonics,
  implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'dark brown'
_exptl_crystal_density_diffrn    1.303
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             778
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.417
_refine_diff_density_min         -0.357
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.223
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     444
_refine_ls_number_reflns         3434
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.223
_refine_ls_R_factor_all          0.1318
_refine_ls_R_factor_gt           0.1000
_refine_ls_shift/su_max          0.003
_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^+11.0549P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1776
_refine_ls_wR_factor_ref         0.1897
_reflns_number_gt                2648
_reflns_number_total             3434
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            ic701461b-file001.cif
_cod_data_source_block           damienh9
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/ACS/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 
;
_cod_original_cell_volume        1870.4(8)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4339343