NCN-Pincer Metal Complexes (Ti, Cr, V, Zr, Hf, and Nb) of the Phebox Ligand (S,S)-2,6-Bis(4′-isopropyl-2′-oxazolinyl)phenyl
Chuchuryukin, Alexey V.; Huang, Rubin; Lutz, Martin; Chadwick, John C.; Spek, Anthony L.; van Koten, Gerard; Organometallics 30 (2011) 2819–; doi:10.1021/om200170b

data_4064561
_publ_section_title
;
 NCN-Pincer Metal Complexes (Ti, Cr, V, Zr, Hf, and Nb) of the Phebox
 Ligand (S,S)-2,6-Bis(4&#x2032;-isopropyl-2&#x2032;-oxazolinyl)phenyl
;
_journal_issue                   10
_journal_name_full               Organometallics
_journal_page_first              2819
_journal_paper_doi               10.1021/om200170b
_journal_volume                  30
_journal_year                    2011
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C21 H30 Cl2 N2 O3 Ti'
_chemical_formula_sum            'C21 H30 Cl2 N2 O3 Ti'
_chemical_formula_weight         477.27
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   difmap
_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                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.5265(3)
_cell_length_b                   12.8693(3)
_cell_length_c                   16.8844(5)
_cell_measurement_reflns_used    127
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      20.20
_cell_measurement_theta_min      3.16
_cell_volume                     2287.31(11)
_computing_cell_refinement       Dirax
_computing_data_collection       'Nonius COLLECT'
_computing_data_reduction        'EvalCCD, Sortav'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0563
_diffrn_reflns_av_sigmaI/netI    0.0437
_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       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            22092
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.99
_exptl_absorpt_coefficient_mu    0.632
_exptl_absorpt_correction_T_max  0.89
_exptl_absorpt_correction_T_min  0.74
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SortAV
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.386
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1000
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.601
_refine_diff_density_min         -0.245
_refine_diff_density_rms         0.060
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.02(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.091
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     268
_refine_ls_number_reflns         4262
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.091
_refine_ls_R_factor_all          0.0481
_refine_ls_R_factor_gt           0.0364
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0382P)^2^+1.0120P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0810
_refine_ls_wR_factor_ref         0.0859
_reflns_number_gt                3718
_reflns_number_total             4262
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om200170b_si_001.cif
_cod_data_source_block           s3390a
_cod_database_code               4064561