Isolation of a Self-Activating Ethylene Trimerization Catalyst of a Cr-SNS System
Albahily, Khalid; Shaikh, Yacoob; Ahmed, Zeeshan; Korobkov, Ilia; Gambarotta, Sandro; Duchateau, Robbert; Organometallics 30 (2011) 4159–; doi:10.1021/om2004699

data_4064972
_publ_section_title
;
 Isolation of a Self-Activating Ethylene Trimerization Catalyst of a
 Cr-SNS System
;
_journal_issue                   15
_journal_name_full               Organometallics
_journal_page_first              4159
_journal_paper_doi               10.1021/om2004699
_journal_volume                  30
_journal_year                    2011
_chemical_formula_sum            'C19 H33 Cl2 Cr N O S2'
_chemical_formula_weight         478.48
_chemical_name_systematic
; 
 ? 
;
_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                 107.792(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.9048(14)
_cell_length_b                   12.2321(14)
_cell_length_c                   17.021(2)
_cell_measurement_reflns_used    2299
_cell_measurement_temperature    203(2)
_cell_measurement_theta_max      25.63
_cell_measurement_theta_min      2.45
_cell_volume                     2360.1(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      203(2)
_diffrn_measured_fraction_theta_full 0.921
_diffrn_measured_fraction_theta_max 0.921
_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  0.0428
_diffrn_reflns_av_sigmaI/netI    0.0964
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       5
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            6488
_diffrn_reflns_theta_full        25.70
_diffrn_reflns_theta_max         25.70
_diffrn_reflns_theta_min         2.09
_exptl_absorpt_coefficient_mu    0.897
_exptl_absorpt_correction_T_max  0.9565
_exptl_absorpt_correction_T_min  0.8069
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.347
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1008
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.410
_refine_diff_density_min         -0.287
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.968
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     287
_refine_ls_number_reflns         4137
_refine_ls_number_restraints     166
_refine_ls_restrained_S_all      0.959
_refine_ls_R_factor_all          0.1089
_refine_ls_R_factor_gt           0.0551
_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^)+(0.0631P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1181
_refine_ls_wR_factor_ref         0.1378
_reflns_number_gt                2454
_reflns_number_total             4137
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om2004699_si_001.cif
_cod_data_source_block           07116
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'n/a' 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_cell_volume        2360.0(5)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4064972