Electronic Effects in the Oxidative Addition of Iodomethane with Mixed-Aryl β-Diketiminate Chromium Complexes
Zhou, Wen; Tang, Liming; Patrick, Brian O.; Smith, Kevin M.; Organometallics 30 (2011) 603–; doi:10.1021/om100961f

data_4063825
_publ_section_title
;
 Electronic Effects in the Oxidative Addition of Iodomethane with
 Mixed-Aryl \b-Diketiminate Chromium Complexes
;
_journal_issue                   3
_journal_name_full               Organometallics
_journal_page_first              603
_journal_paper_doi               10.1021/om100961f
_journal_volume                  30
_journal_year                    2011
_chemical_formula_sum            'C29 H36 Cl Cr N2 O'
_chemical_formula_weight         516.05
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           147
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-P 3'
_symmetry_space_group_name_H-M   'P -3'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            6
_cell_length_a                   20.603(3)
_cell_length_b                   20.603
_cell_length_c                   11.6729(19)
_cell_measurement_reflns_used    9839
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.10
_cell_measurement_theta_min      2.28
_cell_volume                     4291.1(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker X8 APEX II'
_diffrn_measurement_method       'area detector'
_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  0.0506
_diffrn_reflns_av_sigmaI/netI    0.0286
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            6867
_diffrn_reflns_theta_full        27.95
_diffrn_reflns_theta_max         27.95
_diffrn_reflns_theta_min         1.74
_exptl_absorpt_coefficient_mu    0.515
_exptl_absorpt_correction_T_max  0.893
_exptl_absorpt_correction_T_min  0.797
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.198
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1638
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.340
_refine_diff_density_min         -0.314
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     314
_refine_ls_number_reflns         6867
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0474
_refine_ls_R_factor_gt           0.0328
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0450P)^2^+1.0997P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0860
_refine_ls_wR_factor_ref         0.0909
_reflns_number_gt                5500
_reflns_number_total             6867
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100961f_si_004.cif
_cod_data_source_block           4a_Cl_4OMe
_cod_original_cell_volume        4291.2(10)
_cod_database_code               4063825