Synthetic Endeavors toward Titanium Based Frustrated Lewis Pairs with Controlled Electronic and Steric Properties
Normand, Adrien T.; Richard, Philippe; Balan, Cédric; Daniliuc, Constantin G.; Kehr, Gerald; Erker, Gerhard; Le Gendre, Pierre; Organometallics  (2015) 150513110717003–; doi:10.1021/acs.organomet.5b00250

data_4085758
_publ_section_title
;
 Synthetic Endeavors toward Titanium Based Frustrated Lewis Pairs with
 Controlled Electronic and Steric Properties
;
_journal_name_full               Organometallics
_journal_page_first              150513110717003
_journal_paper_doi               10.1021/acs.organomet.5b00250
_journal_year                    2015
_chemical_formula_moiety         'C31 H42 O P Ti, C24 H20 B'
_chemical_formula_sum            'C55 H62 B O P Ti'
_chemical_formula_weight         828.72
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_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
_audit_creation_date             2014-12-19
_audit_creation_method
;
Olex2 1.2
(compiled 2014.11.28 svn.r3106 for OlexSys, GUI svn.r4959)
;
_cell_angle_alpha                90
_cell_angle_beta                 95.495(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.3661(4)
_cell_length_b                   31.4673(12)
_cell_length_c                   13.4927(5)
_cell_measurement_reflns_used    9957
_cell_measurement_temperature    100
_cell_measurement_theta_max      66.467
_cell_measurement_theta_min      2.81
_cell_volume                     4381.0(3)
_computing_cell_refinement       'SAINT v8.34A (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  'XL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_detector                 CMOS
_diffrn_detector_area_resol_mean '1024 x 1024'
_diffrn_detector_type            'Photon 100'
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Bruker D8 VENTURE'
_diffrn_measurement_method       '\f and \w scans''
_diffrn_radiation_collimation    'focusing mirrors'
_diffrn_radiation_monochromator  'QUAZAR MX multilayer optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0442
_diffrn_reflns_av_unetI/netI     0.0314
_diffrn_reflns_laue_measured_fraction_full 0.990
_diffrn_reflns_laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       37
_diffrn_reflns_limit_k_min       -37
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            47529
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        66.747
_diffrn_reflns_theta_max         66.747
_diffrn_reflns_theta_min         3.578
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_target            Cu
_diffrn_source_type              'high brilliance microfocus sealed tube, Cu'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.293
_exptl_absorpt_correction_T_max  0.7528
_exptl_absorpt_correction_T_min  0.6263
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.0872 before and 0.0548 after correction.
The Ratio of minimum to maximum transmission is 0.8320.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            red
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.256
_exptl_crystal_description       prism
_exptl_crystal_F_000             1768
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.175
_refine_diff_density_min         -0.343
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     534
_refine_ls_number_reflns         7701
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0683
_refine_ls_R_factor_gt           0.0559
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0715P)^2^+5.5363P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1376
_refine_ls_wR_factor_ref         0.1458
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6519
_reflns_number_total             7701
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om5b00250_si_006.cif
_cod_data_source_block           4ap
_cod_database_code               4085758
_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:
 C14(H14), C20(H20)
2.b Secondary CH2 refined with riding coordinates:
 C15(H15A,H15B), C16(H16A,H16B), C17(H17A,H17B), C18(H18A,H18B), C19(H19A,
 H19B), C21(H21A,H21B), C22(H22A,H22B), C23(H23A,H23B), C24(H24A,H24B),
 C25(H25A,H25B)
2.c Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5), C6(H6), C7(H7), C8(H8), C9(H9), C10(H10),
 C27(H27), C28(H28), C29(H29), C30(H30), C31(H31), C33(H33), C34(H34), C35(H35),
  C36(H36), C37(H37), C39(H39), C40(H40), C41(H41), C42(H42), C43(H43),
 C45(H45), C46(H46), C47(H47), C48(H48), C49(H49), C51(H51), C52(H52), C53(H53),
  C54(H54), C55(H55)
2.d Idealised Me refined as rotating group:
 C12(H12A,H12B,H12C), C13(H13A,H13B,H13C)
;
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'