Half-Sandwich Chromium(III) Catalysts Bearing Hydroxyindanimine Ligands for Ethylene Polymerization
Huang, Yuan-Biao; Yu, Wei-Bin; Jin, Guo-Xin; Organometallics 28 (2009) 4170–; doi:10.1021/om900279p

data_4069554
_publ_section_title
;
 Half-Sandwich Chromium(III) Catalysts Bearing Hydroxyindanimine Ligands
 for Ethylene Polymerization
;
_journal_issue                   14
_journal_name_full               Organometallics
_journal_page_first              4170
_journal_paper_doi               10.1021/om900279p
_journal_volume                  28
_journal_year                    2009
_chemical_formula_sum            'C27 H30 Cl4 Cr N O'
_chemical_formula_weight         578.32
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 104.562(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.466(6)
_cell_length_b                   14.854(7)
_cell_length_c                   14.479(7)
_cell_measurement_reflns_used    730
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.286
_cell_measurement_theta_min      2.300
_cell_volume                     2803(2)
_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      293(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  0.1068
_diffrn_reflns_av_sigmaI/netI    0.1366
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            12469
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.85
_diffrn_standards_decay_%        9.02
_exptl_absorpt_coefficient_mu    0.810
_exptl_absorpt_correction_T_max  0.9234
_exptl_absorpt_correction_T_min  0.7932
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            'dark green'
_exptl_crystal_density_diffrn    1.370
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1196
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.445
_refine_diff_density_min         -0.453
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.818
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     313
_refine_ls_number_reflns         5511
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.818
_refine_ls_R_factor_all          0.1116
_refine_ls_R_factor_gt           0.0538
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0507P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1120
_refine_ls_wR_factor_ref         0.1239
_reflns_number_gt                2579
_reflns_number_total             5511
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om900279p_si_001.cif
_cod_data_source_block           f90221d
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4069554