Dehydrofluorination of Hydrofluorocarbons by Titanium Alkylidynes via Sequential C−H/C−F Bond Activation Reactions. A Synthetic, Structural, and Mechanistic Study of 1,2-CH Bond Addition and β-Fluoride Elimination
Fout, Alison R.; Scott, Jennifer; Miller, Deanna L.; Bailey, Brad C.; Pink, Maren; Mindiola, Daniel J.; Organometallics 28 (2009) 331–; doi:10.1021/om800910q

data_4068514
_publ_section_title
;
 Dehydrofluorination of Hydrofluorocarbons by Titanium Alkylidynes via
 Sequential C&#x2212;H/C&#x2212;F Bond Activation Reactions. A Synthetic,
 Structural, and Mechanistic Study of 1,2-CH Bond Addition and \b-Fluoride
 Elimination
;
_journal_issue                   1
_journal_name_full               Organometallics
_journal_page_first              331
_journal_paper_doi               10.1021/om800910q
_journal_volume                  28
_journal_year                    2009
_chemical_formula_sum            'C37 H50 F5 N P2 Ti'
_chemical_formula_weight         713.62
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 115.152(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.7157(16)
_cell_length_b                   10.5268(9)
_cell_length_c                   20.9994(18)
_cell_measurement_reflns_used    9910
_cell_measurement_temperature    15(2)
_cell_measurement_theta_max      16.7
_cell_measurement_theta_min      2.18
_cell_volume                     3744.9(6)
_computing_cell_refinement       'APEX II v.2.2 (Bruker, 2007)'
_computing_data_collection       'APEX II v.2.2 (Bruker, 2007)'
_computing_data_reduction        'APEX II v.2.2 (Bruker, 2007)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2003)'
_computing_publication_material  'SHELXTL (Bruker, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXD  (Sheldrick, 2007)'
_diffrn_ambient_temperature      15(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_type            'Bruker APEXII'
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_details
'0.5 degree frames measured for 2 seconds each'
_diffrn_measurement_device       'three-circle goniometer with fixed chi'
_diffrn_measurement_device_type  'Bruker Platform goniometer'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  'diamond 1 1 1'
_diffrn_radiation_source         synchrotron
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.44280
_diffrn_reflns_av_R_equivalents  0.0709
_diffrn_reflns_av_sigmaI/netI    0.0501
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            50522
_diffrn_reflns_theta_full        16.84
_diffrn_reflns_theta_max         16.84
_diffrn_reflns_theta_min         1.22
_exptl_absorpt_coefficient_mu    0.194
_exptl_absorpt_correction_T_max  0.9923
_exptl_absorpt_correction_T_min  0.9809
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, R. Blessing; 1995'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.266
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1504
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.941
_refine_diff_density_min         -0.409
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     426
_refine_ls_number_reflns         8743
_refine_ls_number_restraints     154
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0661
_refine_ls_R_factor_gt           0.0448
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0594P)^2^+2.1215P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1110
_refine_ls_wR_factor_ref         0.1226
_reflns_number_gt                6634
_reflns_number_total             8743
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om800910q_si_002.cif
_cod_data_source_block           08507
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4068514