Synthesis and Reactivity of Phosphine-Stabilized Phosphoranimine Cations, [R3P.PR'2=NSiMe3]+
Keith Huynh; Alan J. Lough; Michelle A. M. Forgeron; Martin Bendle; Alejandro Presa Soto; Roderick E. Wasylishen; Ian Manners; Journal of the American Chemical Society 131 (2009) 7905–7916; doi:10.1021/ja900256g

data_4104482
_publ_section_title
;
 Synthesis and Reactivity of Phosphine-Stabilized Phosphoranimine Cations,
 [R3P.PR'2=NSiMe3]+
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              7905
_journal_page_last               7916
_journal_paper_doi               10.1021/ja900256g
_journal_volume                  131
_journal_year                    2009
_chemical_formula_moiety         'C11 H30 N P2 Si, C F3 O3 S'
_chemical_formula_sum            'C12 H30 F3 N O3 P2 S Si'
_chemical_formula_weight         415.46
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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            24
_cell_length_a                   12.4326(2)
_cell_length_b                   28.4196(7)
_cell_length_c                   36.7682(9)
_cell_measurement_reflns_used    58490
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      2.6
_cell_volume                     12991.3(5)
_computing_cell_refinement       'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius B.V., 1997-2002)'
_computing_data_reduction        Denzo-SMN
_computing_molecular_graphics    'SHELXTL V6.1'
_computing_publication_material  'SHELXTL V6.1'
_computing_structure_refinement  'SHELXTL V6.1(Sheldrick, 2001)'
_computing_structure_solution    'SIR-92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker-Nonius KappaCCD'
_diffrn_measurement_method       '\f scans and \w scans with \k offsets'
_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  0.0929
_diffrn_reflns_av_sigmaI/netI    0.0714
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       43
_diffrn_reflns_limit_l_min       -43
_diffrn_reflns_number            58490
_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
_diffrn_reflns_theta_min         2.64
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.386
_exptl_absorpt_correction_T_max  0.941
_exptl_absorpt_correction_T_min  0.603
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements 
 Sortav (Blessing 1995)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.274
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             5280
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.364
_refine_diff_density_min         -0.305
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     622
_refine_ls_number_reflns         11447
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.1022
_refine_ls_R_factor_gt           0.0530
_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^)+(0.0562P)^2^+6.0294P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1115
_refine_ls_wR_factor_ref         0.1303
_reflns_number_gt                7255
_reflns_number_total             11447
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ja900256g_si_004.cif
_cod_data_source_block           k0734
_cod_database_code               4104482