Frustrated Lewis pair behavior of monomeric (boryl)iminomethanes accessed from isocyanide 1,1-hydroboration
Brandon R. Barnett; Curtis E. Moore; Arnold L. Rheingold; Joshua S. Figuero; Chem.Commun. 51 (2015) 541–; doi:10.1039/C4cc08037H

data_7116376
_publ_section_title
;
 Frustrated Lewis pair behavior of monomeric (boryl)iminomethanes accessed
 from isocyanide 1,1-hydroboration
;
_journal_name_full               Chem.Commun.
_journal_page_first              541
_journal_paper_doi               10.1039/C4cc08037H
_journal_volume                  51
_journal_year                    2015
_chemical_formula_moiety         'C50 H65 B N2'
_chemical_formula_sum            'C50 H65 B N2'
_chemical_formula_weight         704.85
_chemical_name_common            Cy2BIM_PhCN
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2014-10-08
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2014.09.19 svn.r3010 for OlexSys, GUI svn.r4874)
;
_cell_angle_alpha                90
_cell_angle_beta                 90.626(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.3306(9)
_cell_length_b                   13.0545(10)
_cell_length_c                   25.512(2)
_cell_measurement_reflns_used    3576
_cell_measurement_temperature    100
_cell_measurement_theta_max      24.520
_cell_measurement_theta_min      2.272
_cell_volume                     4106.4(5)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_collection       'APEX2 v2013.6-2 (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXT (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_detector                 'Bruker APEX-II CCD'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD Area Detector'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       'Kappa Four-Circle Diffractometer'
_diffrn_measurement_device_type  'Bruker APEX II Ultra'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Double Bounce Multilayer Mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0803
_diffrn_reflns_av_unetI/netI     0.0920
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            28170
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.371
_diffrn_reflns_theta_min         1.596
_diffrn_source                   'Micro Focus Rotating Anode'
_diffrn_source_type              'Bruker TXS'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.064
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6467
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.1733 before and 0.0593 after correction.
The Ratio of minimum to maximum transmission is 0.8678.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            Colorless
_exptl_crystal_colour_primary    Colorless
_exptl_crystal_density_diffrn    1.140
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1536
_exptl_crystal_size_max          0.101
_exptl_crystal_size_mid          0.087
_exptl_crystal_size_min          0.053
_refine_diff_density_max         0.334
_refine_diff_density_min         -0.192
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     486
_refine_ls_number_reflns         7524
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.1134
_refine_ls_R_factor_gt           0.0574
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0490P)^2^+1.2395P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1163
_refine_ls_wR_factor_ref         0.1353
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4621
_reflns_number_total             7524
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c4cc08037h2.cif
_cod_data_source_block           JFig992
_cod_depositor_comments
;
The following automatic conversions were performed:

'_diffrn_radiation_probe' value 'X-ray' changed to 'x-ray' according
to the built-in table from CIF Core dictionary named 'cif_core.dic'
version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 2827 2014-09-09 07:05:25Z andrius 
;
_cod_original_cell_volume        4106.4(6)
_cod_database_code               7116376
_shelx_estimated_absorpt_t_max   0.997
_shelx_estimated_absorpt_t_min   0.994
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C1(H1), C9(H9), C27(H27), C30(H30), C39(H39), C42(H42), C45(H45)
2.b Secondary CH2 refined with riding coordinates:
 C10(H10A,H10B), C11(H11A,H11B), C12(H12A,H12B), C13(H13A,H13B), C14(H14A,
 H14B), C46(H46A,H46B), C47(H47A,H47B), C48(H48A,H48B), C49(H49A,H49B),
 C50(H50A,H50B)
2.c Aromatic/amide H refined with riding coordinates:
 C4(H4), C5(H5), C6(H6), C7(H7), C8(H8), C17(H17), C18(H18), C19(H19),
 C23(H23), C24(H24), C25(H25), C35(H35), C36(H36), C37(H37)
2.d Idealised Me refined as rotating group:
 C28(H28A,H28B,H28C), C29(H29A,H29B,H29C), C31(H31A,H31B,H31C), C32(H32A,H32B,
 H32C), C40(H40A,H40B,H40C), C41(H41A,H41B,H41C), C43(H43A,H43B,H43C), C44(H44A,
 H44B,H44C)
;
_shelx_res_checksum              95892
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'