Ethylene oligomerization promoted by chromium complexes bearing pyrrolide-imine-amine/ether tridentate ligands.
Pinheiro, A. C.; Roisnel, T.; Kirillov, E.; Carpentier, J.-F.; Casagrande, Osvaldo L.; Dalton transactions (Cambridge, England : 2003) 44 (2015) 16073–16080; doi:10.1039/c5dt02025e

data_7036064
_publ_section_title
;
 Ethylene oligomerization promoted by chromium complexes bearing
 pyrrolide-imine-amine/ether tridentate ligands.
;
_journal_issue                   36
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              16073
_journal_page_last               16080
_journal_paper_doi               10.1039/c5dt02025e
_journal_volume                  44
_journal_year                    2015
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C19 H25 Cl2 Cr N4'
_chemical_formula_sum            'C19 H25 Cl2 Cr N4'
_chemical_formula_weight         432.33
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2013-02-06T12:05:51-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2015-05-22 deposited with the CCDC.
2015-08-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 107.709(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.1031(6)
_cell_length_b                   13.1698(7)
_cell_length_c                   17.0030(10)
_cell_measurement_reflns_used    6285
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.22
_cell_measurement_theta_min      2.47
_cell_measurement_wavelength     0.71073
_cell_volume                     2368.5(2)
_computing_cell_refinement       'Bruker APEX2 (Bruker, 2006)'
_computing_data_collection       'Bruker APEX2 (Bruker, 2006)'
_computing_data_reduction        'Bruker APEX2 (Bruker, 2006)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material
;
           WinGX publication routines (Farrugia, 1999),
           CRYSCAL (T. Roisnel, local program)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'APEXII, Bruker-AXS'
_diffrn_measurement_method       'CCD rotation images, thin slices'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0359
_diffrn_reflns_av_unetI/netI     0.0391
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            18215
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.95
_exptl_absorpt_coefficient_mu    0.718
_exptl_absorpt_correction_T_max  0.860
_exptl_absorpt_correction_T_min  0.730
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  [Sheldrick, G.M. (2002). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.212
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             900
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.21
_platon_squeeze_details
;
;
_refine_diff_density_max         0.386
_refine_diff_density_min         -0.397
_refine_diff_density_rms         0.07
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.119
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     242
_refine_ls_number_reflns         5416
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.119
_refine_ls_R_factor_all          0.0578
_refine_ls_R_factor_gt           0.0475
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0421P)^2^+3.0233P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.123
_refine_ls_wR_factor_ref         0.1274
_reflns_number_gt                4444
_reflns_number_total             5416
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt02025e2.cif
_cod_data_source_block           ACP75
_cod_depositor_comments
'Adding full bibliography for 7036063--7036064.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7036064