Ti and Zr bidentate bis-phosphinimide complexes
Hollink, Emily; Stewart, Jeffrey C.; Wei, Pingrong; Stephan, Douglas W.; Dalton Transactions  (2003) 3968–; doi:10.1039/b308114a

data_7013443
_publ_section_title
;
 Ti and Zr bidentate bis-phosphinimide complexes
;
_journal_issue                   20
_journal_name_full               'Dalton Transactions'
_journal_page_first              3968
_journal_paper_doi               10.1039/b308114a
_journal_year                    2003
_chemical_formula_sum            'C38 H70 N2 P2 Si2'
_chemical_formula_weight         673.08
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                67.282(9)
_cell_angle_beta                 71.043(9)
_cell_angle_gamma                75.162(10)
_cell_formula_units_Z            2
_cell_length_a                   10.541(6)
_cell_length_b                   15.118(8)
_cell_length_c                   15.328(9)
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      2.0
_cell_volume                     2107(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_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  0.0213
_diffrn_reflns_av_sigmaI/netI    0.0286
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            8928
_diffrn_reflns_theta_full        23.37
_diffrn_reflns_theta_max         23.37
_diffrn_reflns_theta_min         2.71
_exptl_absorpt_coefficient_mu    0.186
_exptl_absorpt_correction_T_max  0.488979
_exptl_absorpt_correction_T_min  0.274484
_exptl_absorpt_correction_type   sadabs
_exptl_crystal_density_diffrn    1.061
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             740
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.381
_refine_diff_density_min         -0.270
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     397
_refine_ls_number_reflns         6025
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0617
_refine_ls_R_factor_gt           0.0449
_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^)+(0.0909P)^2^+0.1695P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1246
_refine_ls_wR_factor_ref         0.1356
_reflns_number_gt                4583
_reflns_number_total             6025
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b308114a.txt
_cod_data_source_block           m-C6H4(CH2(Cy2)PNSiMe3)2
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7013443