The reactivity of trimethylsilyliminophosphines towards titanium and zirconium halides
Sarsfield, Mark J.; Said, Musa; Thornton-Pett, Mark; Gerrard, Lee A.; Bochmann, Manfred; Journal of the Chemical Society, Dalton Transactions  (2001) 822–; doi:10.1039/b009082o

data_7010450
_publ_section_title
;
 The reactivity of trimethylsilyliminophosphines towards titanium and
 zirconium halides
;
_journal_issue                   6
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              822
_journal_paper_doi               10.1039/b009082o
_journal_year                    2001
_chemical_formula_sum            'C34 H45 Cl7 N2 P2 Si2 Zr'
_chemical_formula_weight         939.21
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 113.031(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   22.6760(10)
_cell_length_b                   9.5021(5)
_cell_length_c                   21.3807(7)
_cell_measurement_temperature    150(2)
_cell_volume                     4239.7(3)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1996)'
_computing_data_collection       'COLLECT (Nonius, 1999)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1996)'
_computing_molecular_graphics    'ORTEX (McArdle, 1995)'
_computing_publication_material  'local program'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type
'Nonius KappaCCD area detector diffractometer'
_diffrn_measurement_method
;
Detector set at 30mm from sample with different 2theta offsets 
1 degree phi exposures for chi=0 degree settings
1 degree omega exposures for chi=90 degree settings
;
_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  0.0677
_diffrn_reflns_av_sigmaI/netI    0.0689
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            29078
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.81
_exptl_absorpt_coefficient_mu    0.860
_exptl_absorpt_correction_T_max  0.9113
_exptl_absorpt_correction_T_min  0.8073
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Using multiple and symmetry-related data measurements via the program SORTAV
See R.H. Blessing, Acta Cryst (1995), A51, 33-38 
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.471
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1920
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.872
_refine_diff_density_min         -0.621
_refine_diff_density_rms         0.121
_refine_ls_extinction_coef       0.0014(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.198
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     459
_refine_ls_number_reflns         8215
_refine_ls_number_restraints     25
_refine_ls_restrained_S_all      1.196
_refine_ls_R_factor_all          0.1608
_refine_ls_R_factor_gt           0.1024
_refine_ls_shift/su_max          0.157
_refine_ls_shift/su_mean         0.036
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+56.0512P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2000
_refine_ls_wR_factor_ref         0.2288
_reflns_number_gt                4228
_reflns_number_total             8215
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b009082o.txt
_cod_data_source_block           ms340
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7010450