Phosphinimine-substituted boranes and borenium ions.
Holthausen, Michael H.; Mallov, Ian; Stephan, Douglas W.; Dalton transactions (Cambridge, England : 2003) 43 (2014) 15201–15211; doi:10.1039/c4dt02406k

data_7032148
_publ_section_title
;
 Phosphinimine-substituted boranes and borenium ions.
;
_journal_issue                   40
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              15201
_journal_page_last               15211
_journal_paper_doi               10.1039/c4dt02406k
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C21 H42 N P Si'
_chemical_formula_sum            'C21 H42 N P Si'
_chemical_formula_weight         367.62
_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                 90.718(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.3679(6)
_cell_length_b                   17.4007(10)
_cell_length_c                   11.4194(6)
_cell_measurement_reflns_used    9839
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      55.040
_cell_measurement_theta_min      5.088
_cell_volume                     2258.7(2)
_computing_cell_refinement
'Bruker SMART. Area-Detector Software Package. (Siemens Industrial Automation, 1993, Inc.: Madison, WI)'
_computing_data_collection
'Bruker SMART. Area-Detector Software Package. (Siemens Industrial Automation, 1993, Inc.: Madison, WI)'
_computing_data_reduction
'Bruker SAINT. Area-Detector Integration Software. (Siemens Industrial Automation, 1995, Inc.: Madison, WI)'
_computing_molecular_graphics
'Ortep for Windows (L. J. Farrugia, J. Appl. Cryst. 1997, 30, 565)'
_computing_publication_material
'WinGX v1.70.01 (L. J. Farrugia, J. Appl. Cryst. 1999, 32, 837)'
_computing_structure_refinement
'SHELX-97. Programs for Crystal Structure Analysis. (G. M. Sheldrick, 1997, Release 97-2, University of Gttingen, Germany)'
_computing_structure_solution
'SHELX-97. Programs for Crystal Structure Analysis. (G. M. Sheldrick, 1997, Release 97-2, University of Gttingen, Germany)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker Apex II CCD detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0358
_diffrn_reflns_av_unetI/netI     0.0398
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            20105
_diffrn_reflns_theta_full        27.54
_diffrn_reflns_theta_max         27.54
_diffrn_reflns_theta_min         2.13
_exptl_absorpt_coefficient_mu    0.178
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.7026
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS. Area-Detector Integration Software. (Siemens Industrial Automation, 1995, Inc.: Madison, WI)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.081
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.413
_refine_diff_density_min         -0.216
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     220
_refine_ls_number_reflns         5193
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.0565
_refine_ls_R_factor_gt           0.0381
_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^)+(0.0407P)^2^+0.8643P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0871
_refine_ls_wR_factor_ref         0.0960
_reflns_number_gt                4055
_reflns_number_total             5193
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt02406k1.cif
_cod_data_source_block           1b
_cod_depositor_comments
'Adding full bibliography for 7032148--7032159.cif.'
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7032148