Titanium complexes of amidophosphinimide ligands
Alhomaidan, Osamah; Beddie, Chad; Bai, Guangcai; Stephan, Douglas W.; Dalton Transactions  (2009) 1991–1998; doi:10.1039/b816184d

data_7000706
_publ_section_title
;
 Titanium complexes of amidophosphinimide ligands
;
_journal_issue                   11
_journal_name_full               'Dalton Transactions'
_journal_page_first              1991
_journal_page_last               1998
_journal_paper_doi               10.1039/b816184d
_journal_year                    2009
_chemical_formula_sum            'C28 H66 N6 P2 Ti'
_chemical_formula_weight         596.71
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.535(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.458(3)
_cell_length_b                   11.1731(18)
_cell_length_c                   17.430(3)
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      2.0
_cell_volume                     3591.1(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART system'
_diffrn_measurement_method       CCD
_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  0.0331
_diffrn_reflns_av_sigmaI/netI    0.0244
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            33574
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.13
_exptl_absorpt_coefficient_mu    0.352
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.660029
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.104
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             1312
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.800
_refine_diff_density_min         -0.299
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         6340
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0834
_refine_ls_R_factor_gt           0.0616
_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^)+(0.1405P)^2^+3.7775P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1730
_refine_ls_wR_factor_ref         0.2003
_reflns_number_gt                4665
_reflns_number_total             6340
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b816184d.txt
_cod_data_source_block           '[(CH2(Me)NP(tBu2)N)2]Ti(NMe2)2'
_cod_original_cell_volume        3591.0(10)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7000706