<i>rac</i>-(<i>tert</i>-Butylamino)(diisopropylamino)(9-fluorenyl)borane
Braunschweig, Holger; Breitling, Frank Michael; Seeler, Fabian; Acta Crystallographica Section E 61 (2005) o2303–o2304; doi:10.1107/S1600536805019902

data_2206286
_publ_section_title
;
 <i>rac</i>-(<i>tert</i>-Butylamino)(diisopropylamino)(9-fluorenyl)borane
;
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2303
_journal_page_last               o2304
_journal_paper_doi               10.1107/S1600536805019902
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C23 H33 B N2'
_chemical_formula_moiety         'C23 H33 B N2'
_chemical_formula_sum            'C23 H33 B N2'
_chemical_formula_weight         348.32
_chemical_name_common
(diisopropylamino)(9-fluorenyl)(tert-butylamino)borane
_chemical_name_systematic
;
(tert-butylamino)(diisopropylamino)(9-fluorenyl)borane
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 97.0340(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.2771(5)
_cell_length_b                   16.0667(9)
_cell_length_c                   14.5453(8)
_cell_measurement_reflns_used    9516
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      25.3565
_cell_measurement_theta_min      2.4735
_cell_volume                     2151.7(2)
_computing_cell_refinement       'SAINT-Plus-NT (Bruker, 2001)'
_computing_data_collection       'SMART-NT (Bruker, 2001)'
_computing_data_reduction        SAINT-Plus-NT
_computing_molecular_graphics    'XP in SHELXTL (Sheldrick, 1997b)'
_computing_publication_material  'XP in SHELXTL'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997a)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_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  0.0420
_diffrn_reflns_av_sigmaI/netI    0.0216
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            35746
_diffrn_reflns_theta_full        26.12
_diffrn_reflns_theta_max         26.12
_diffrn_reflns_theta_min         1.90
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.062
_exptl_absorpt_correction_T_max  0.987
_exptl_absorpt_correction_T_min  0.954
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2002)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.075
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             760
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.258
_refine_diff_density_min         -0.197
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.120
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     246
_refine_ls_number_reflns         4269
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.120
_refine_ls_R_factor_all          0.0624
_refine_ls_R_factor_gt           0.0543
_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^)+(0.0434P)^2^+0.798P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1186
_refine_ls_wR_factor_ref         0.1230
_reflns_number_gt                3774
_reflns_number_total             4269
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            sg6020.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2206286
_cod_database_fobs_code          2206286