Preorganized Frustrated Lewis Pairs
Federica Bertini; Volodymyr Lyaskovskyy; Brian J. J. Timmer; Frans J. J. de Kanter; Martin Lutz; Andreas W. Ehlers; J. Chris Slootweg; Koop Lammertsma; Journal of the American Chemical Society 134 (2012) 201–204; doi:10.1021/ja210214r

data_4117254
_publ_contact_author_address
; Bijvoet Center for Biomolecular Research
  Crystal and Structural Chemistry
  Utrecht University
  Padualaan 8
  3584 CH Utrecht
  The Netherlands
;
_publ_contact_author_email       m.lutz@uu.nl
_publ_contact_author_fax         '[+31] 30 2533940'
_publ_contact_author_name        'Martin Lutz'
_publ_contact_author_phone       '[+31] 30 2533902'
_publ_section_title
;
 Preorganized Frustrated Lewis Pairs
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              201
_journal_page_last               204
_journal_paper_doi               10.1021/ja210214r
_journal_volume                  134
_journal_year                    2012
_chemical_formula_moiety         'C22 H30 B O2 P'
_chemical_formula_sum            'C22 H30 B O2 P'
_chemical_formula_weight         368.24
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   difmap
_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            4
_cell_length_a                   11.1839(3)
_cell_length_b                   10.8709(3)
_cell_length_c                   17.0362(5)
_cell_measurement_reflns_used    9859
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.46
_cell_measurement_theta_min      2.22
_cell_volume                     2071.25(10)
_computing_cell_refinement       'SAINT V7.68A'
_computing_data_collection       Apex2
_computing_data_reduction        'SAINT V7.68A, SADABS-2008/1'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker Kappa ApexII'
_diffrn_measurement_method       '\f and \w 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  0.0207
_diffrn_reflns_av_sigmaI/netI    0.0165
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            29212
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.22
_exptl_absorpt_coefficient_mu    0.145
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6980
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS-2008/1
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.181
_exptl_crystal_description       needle
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.291
_refine_diff_density_min         -0.207
_refine_diff_density_rms         0.032
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.47(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     250
_refine_ls_number_reflns         4724
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0294
_refine_ls_R_factor_gt           0.0269
_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^)+(0.0440P)^2^+0.2510P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0684
_refine_ls_wR_factor_ref         0.0698
_reflns_number_gt                4476
_reflns_number_total             4724
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ja210214r_si_002_2.cif
_cod_data_source_block           l0135a
_cod_database_code               4117254