Synthesis of a cobalt(IV) ketimide with a squashed tetrahedral geometry
Richard A. Lewis; Stephen P. George; Alon Chapovetsky; Guang Wu; Joshua S. Figueroa; Trevor W. Hayton; Chem.Commun. 49 (2013) 2888–; doi:10.1039/c3cc40461g

data_7109041
_publ_section_title
;
 Synthesis of a cobalt(IV) ketimide with a squashed tetrahedral geometry
;
_journal_name_full               Chem.Commun.
_journal_page_first              2888
_journal_paper_doi               10.1039/c3cc40461g
_journal_volume                  49
_journal_year                    2013
_chemical_formula_sum            'C35 H70 Co Li N3 O4'
_chemical_formula_weight         662.81
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   constr
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                82.003(6)
_cell_angle_beta                 87.087(7)
_cell_angle_gamma                81.136(7)
_cell_formula_units_Z            2
_cell_length_a                   10.8516(11)
_cell_length_b                   13.2752(14)
_cell_length_c                   13.4533(12)
_cell_measurement_reflns_used    121
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      20.54
_cell_measurement_theta_min      2.355
_cell_volume                     1895.4(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0711
_diffrn_reflns_av_sigmaI/netI    0.1162
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            14057
_diffrn_reflns_theta_full        24.93
_diffrn_reflns_theta_max         24.93
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    0.490
_exptl_absorpt_correction_T_max  0.9526
_exptl_absorpt_correction_T_min  0.9083
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.161
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             726
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.288
_refine_diff_density_min         -0.363
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.810
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     415
_refine_ls_number_reflns         6577
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.810
_refine_ls_R_factor_all          0.1068
_refine_ls_R_factor_gt           0.0500
_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^)+(0.1000P)^2^+0.2822P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1163
_refine_ls_wR_factor_ref         0.1481
_reflns_number_gt                4151
_reflns_number_total             6577
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc40461g.txt
_cod_data_source_block           Complex_2
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7109041