Extremely bulky secondary phosphinoamines as substituents for sterically hindered aminosilanes.
Böttcher, Tobias; Jones, Cameron; Dalton transactions (Cambridge, England : 2003) 44 (2015) 14842–14853; doi:10.1039/c5dt02504d

data_7035923
_publ_section_title
;
 Extremely bulky secondary phosphinoamines as substituents for sterically
 hindered aminosilanes.
;
_journal_issue                   33
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14842
_journal_page_last               14853
_journal_paper_doi               10.1039/c5dt02504d
_journal_volume                  44
_journal_year                    2015
_chemical_formula_sum            'C43 H52 N3 P'
_chemical_formula_weight         641.85
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-07-22 deposited with the CCDC.
2015-07-22 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 92.692(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.5767(6)
_cell_length_b                   18.5068(14)
_cell_length_c                   11.4751(10)
_cell_measurement_temperature    123(2)
_cell_volume                     1819.4(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker Apex X8'
_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  0.0316
_diffrn_reflns_av_sigmaI/netI    0.0592
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            8742
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         3.03
_exptl_absorpt_coefficient_mu    0.109
_exptl_absorpt_correction_T_max  0.988
_exptl_absorpt_correction_T_min  0.961
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav (Blessing)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.172
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             692
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.416
_refine_diff_density_min         -0.307
_refine_diff_density_rms         0.043
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.03(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     430
_refine_ls_number_reflns         5873
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0528
_refine_ls_R_factor_gt           0.0414
_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^)+(0.0415P)^2^+0.0619P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0876
_refine_ls_wR_factor_ref         0.0949
_reflns_number_gt                5145
_reflns_number_total             5873
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt02504d2.cif
_cod_data_source_block           cj1089
_cod_depositor_comments
'Adding full bibliography for 7035922--7035934.cif.'
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7035923