Synthesis of (Arylmido)niobium(V) Complexes Containing Ketimide, Phenoxide Ligands, and Some Reactions with Phenols and Alcohols.
Srisupap, Natta; Wised, Kritdikul; Tsutsumi, Ken; Nomura, Kotohiro; ACS omega 3 (2018) 6166–6181; doi:10.1021/acsomega.8b01065

data_4516060
_publ_section_title
;
 Synthesis of (Arylmido)niobium(V) Complexes Containing Ketimide,
 Phenoxide Ligands, and Some Reactions with Phenols and Alcohols.
;
_journal_issue                   6
_journal_name_full               'ACS omega'
_journal_page_first              6166
_journal_page_last               6181
_journal_paper_doi               10.1021/acsomega.8b01065
_journal_volume                  3
_journal_year                    2018
_chemical_formula_moiety         'C24 H36 Cl2 N Nb O3'
_chemical_formula_sum            'C24 H36 Cl2 N Nb O3'
_chemical_formula_weight         550.37
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 103.824(3)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   13.572(4)
_cell_length_b                   9.116(2)
_cell_length_c                   21.854(6)
_cell_measurement_reflns_used    7318
_cell_measurement_temperature    273
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      3.00
_cell_volume                     2625.5(12)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r15'
_computing_data_collection
'CrystalClear-SM Expert 2.0 r15 (Rigaku, 2011)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r15'
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      273
_diffrn_detector_area_resol_mean 13.653
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku XtaLAB mini'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0223
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            26903
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.685
_exptl_absorpt_correction_T_max  0.860
_exptl_absorpt_correction_T_min  0.794
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.392
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1144.00
_exptl_crystal_size_max          0.260
_exptl_crystal_size_mid          0.230
_exptl_crystal_size_min          0.220
_refine_diff_density_max         0.610
_refine_diff_density_min         -0.390
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     280
_refine_ls_number_reflns         6010
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0246
_refine_ls_shift/su_max          0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0257P)^2^+1.7772P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0585
_reflns_number_gt                5599
_reflns_number_total             6010
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ao8b01065_si_002.cif
_cod_data_source_block           075-crys1
_cod_original_cell_volume        2625.6(11)
_cod_database_code               4516060