Alternating α-Olefin Distributions via Single and Double Insertions in Chromium-Catalyzed Ethylene Oligomerization
Tomov, Atanas K.; Nobbs, James D.; Chirinos, Juan J.; Saini, Prabhjot K.; Malinowski, Robert; Ho, Sarah K. Y.; Young, Craig T.; McGuinness, David S.; White, Andrew J. P.; Elsegood, Mark R. J.; Britovsek, George J. P.; Organometallics 36 (2016) 510–; doi:10.1021/acs.organomet.6b00671

data_4086830
_publ_section_title
;
 Alternating \a-Olefin Distributions via Single and Double Insertions in
 Chromium-Catalyzed Ethylene Oligomerization
;
_journal_issue                   3
_journal_name_full               Organometallics
_journal_page_first              510
_journal_paper_doi               10.1021/acs.organomet.6b00671
_journal_volume                  36
_journal_year                    2016
_chemical_formula_moiety         'C16 H27 Cl3 Cr N5'
_chemical_formula_sum            'C16 H27 Cl3 Cr N5'
_chemical_formula_weight         447.77
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL
_cell_angle_alpha                90
_cell_angle_beta                 97.011(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.6125(3)
_cell_length_b                   10.0746(4)
_cell_length_c                   23.9430(9)
_cell_measurement_reflns_used    3699
_cell_measurement_temperature    173
_cell_measurement_theta_max      30.6260
_cell_measurement_theta_min      4.4150
_cell_volume                     2061.94(13)
_computing_cell_refinement       'CrysAlisPro, Agilent Technologies'
_computing_data_collection       'CrysAlisPro, Agilent Technologies'
_computing_data_reduction        'CrysAlisPro, Agilent Technologies'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'CIFTAB-2013 (Sheldrick, 2013)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 15.9863
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.907
_diffrn_measurement_device_type  'OD Xcalibur 3'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0422
_diffrn_reflns_av_unetI/netI     0.0542
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.907
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            16940
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.907
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         32.092
_diffrn_reflns_theta_min         4.230
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.953
_exptl_absorpt_correction_T_max  0.940
_exptl_absorpt_correction_T_min  0.825
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            Green
_exptl_crystal_density_diffrn    1.442
_exptl_crystal_description       'blocky needles'
_exptl_crystal_F_000             932
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.999
_refine_diff_density_min         -0.648
_refine_diff_density_rms         0.099
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     231
_refine_ls_number_reflns         6537
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0963
_refine_ls_R_factor_gt           0.0615
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0737P)^2^+1.8391P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1463
_refine_ls_wR_factor_ref         0.1758
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4338
_reflns_number_total             6537
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om6b00671_si_002.cif
_cod_data_source_block           '[Cr(21)Cl3]'
_cod_depositor_comments
'Adding full bibliography for 4086828--4086833.cif.'
_cod_database_code               4086830
_shelxl_version_number           2013-4