Synthesis and catalytic activity of group 5 metal amides with chiral biaryldiamine-based ligands.
Zhang, Furen; Song, Haibin; Zi, Guofu; Dalton transactions (Cambridge, England : 2003) 40 (2011) 1547–1566; doi:10.1039/c0dt01229g

data_7014869
_publ_section_title
;
 Synthesis and catalytic activity of group 5 metal amides with chiral
 biaryldiamine-based ligands.
;
_journal_issue                   7
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1547
_journal_page_last               1566
_journal_paper_doi               10.1039/c0dt01229g
_journal_volume                  40
_journal_year                    2011
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C38 H46 N4 O2 V'
_chemical_formula_sum            'C38 H46 N4 O2 V'
_chemical_formula_weight         641.73
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 92.275(14)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.605(3)
_cell_length_b                   10.657(2)
_cell_length_c                   13.937(2)
_cell_measurement_reflns_used    4168
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      1.5
_cell_volume                     1722.3(6)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        CrystalStructure
_computing_publication_material  'CrystalStructure 3.7.0'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      113(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.962
_diffrn_measured_fraction_theta_max 0.958
_diffrn_measurement_device_type  'Rigaku Saturn'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  multilayer
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0079
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            8487
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.46
_exptl_absorpt_coefficient_mu    0.326
_exptl_absorpt_correction_T_max  0.9258
_exptl_absorpt_correction_T_min  0.9142
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Crystalclear
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.237
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             682
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.484
_refine_diff_density_min         -0.552
_refine_diff_density_rms         0.118
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.08(3)
_refine_ls_extinction_coef       0.205(18)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.213
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     422
_refine_ls_number_reflns         8487
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.213
_refine_ls_R_factor_all          0.0598
_refine_ls_R_factor_gt           0.0594
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0986P)^2^+1.9344P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1941
_refine_ls_wR_factor_ref         0.1945
_reflns_number_gt                8413
_reflns_number_total             8487
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0DT01229G.TXT
_cod_data_source_block           compound17
_cod_original_cell_volume        1722.2(6)
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7014869