Synthesis and Reactivity of Titanium and Zirconium Complexes Supported by a Multidentate Monoanionic [N2P2] Ligand
Chomitz, Wayne A.; Sutton, Andrew D.; Krinsky, Jamin L.; Arnold, John; Organometallics 28 (2009) 3338–; doi:10.1021/om8011932

data_4068991
_publ_section_title
;
 Synthesis and Reactivity of Titanium and Zirconium Complexes Supported by
 a Multidentate Monoanionic [N2P2] Ligand
;
_journal_issue                   12
_journal_name_full               Organometallics
_journal_page_first              3338
_journal_paper_doi               10.1021/om8011932
_journal_volume                  28
_journal_year                    2009
_chemical_formula_moiety         'C24 H57 N2 P2 Si Ti'
_chemical_formula_sum            'C24 H57 N2 P2 Si Ti'
_chemical_formula_weight         511.65
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_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                90.00
_cell_formula_units_Z            8
_cell_length_a                   32.287(4)
_cell_length_b                   8.8785(11)
_cell_length_c                   21.700(3)
_cell_measurement_reflns_used    7438
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      26.1
_cell_measurement_theta_min      3.5
_cell_volume                     6220.5(14)
_computing_cell_refinement       'Bruker SAINT v7.07'
_computing_data_collection       'Bruker SMART v5.054d'
_computing_data_reduction        'Bruker SAINT v7.07'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.962
_diffrn_measured_fraction_theta_max 0.962
_diffrn_measurement_device_type  'SMART 1000'
_diffrn_measurement_method       '\w scans'
_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  0.0326
_diffrn_reflns_av_sigmaI/netI    0.0313
_diffrn_reflns_limit_h_max       38
_diffrn_reflns_limit_h_min       -39
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            28706
_diffrn_reflns_theta_full        26.30
_diffrn_reflns_theta_max         26.30
_diffrn_reflns_theta_min         3.52
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.430
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.90
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Blessing, 1995'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.093
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             2248
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.642
_refine_diff_density_min         -0.252
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.007
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     286
_refine_ls_number_reflns         6072
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.007
_refine_ls_R_factor_all          0.0576
_refine_ls_R_factor_gt           0.0397
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0800P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1031
_refine_ls_wR_factor_ref         0.1132
_reflns_number_gt                4756
_reflns_number_total             6072
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om8011932_si_004.cif
_cod_data_source_block           wac7206xs
_cod_original_cell_volume        6220.7(13)
_cod_original_sg_symbol_H-M      Pbcn
_cod_database_code               4068991