Oxidatively Induced α-Hydrogen Abstraction. A Mild Protocol to Generate Terminal Titanium Alkylidenes Containing a β-Hydrogen
Bailey, Brad C.; Basuli, Falguni; Huffman, John C.; Mindiola, Daniel J.; Organometallics 25 (2006) 3963–; doi:10.1021/om060308k

data_4075468
_publ_section_title
;
 Oxidatively Induced \a-Hydrogen Abstraction. A Mild Protocol to Generate
 Terminal Titanium Alkylidenes Containing a \b-Hydrogen
;
_journal_issue                   16
_journal_name_full               Organometallics
_journal_page_first              3963
_journal_paper_doi               10.1021/om060308k
_journal_volume                  25
_journal_year                    2006
_chemical_formula_moiety         'C43 H71 N2 Ti'
_chemical_formula_sum            'C43 H71 N2 Ti'
_chemical_formula_weight         663.92
_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                 114.6760(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   28.3795(14)
_cell_length_b                   12.6335(7)
_cell_length_c                   24.9760(13)
_cell_measurement_reflns_used    2030
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      30.01
_cell_measurement_theta_min      2.76
_cell_volume                     8137.0(7)
_computing_cell_refinement       'SAINT (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        'SAINT (Bruker, 1999), XTEL (local package)'
_computing_molecular_graphics    'Reciprocal Net (http://recipnet.org)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 44.52
_diffrn_detector_type            'Bruker SMART 6000'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_details
'   0.30 degree frames measured for 5.16 seconds each'
_diffrn_measurement_device       'three-circle goniometer with fixed chi'
_diffrn_measurement_device_type  'Bruker Platform goniometer'
_diffrn_measurement_method       '\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  0.0517
_diffrn_reflns_av_sigmaI/netI    0.0381
_diffrn_reflns_limit_h_max       39
_diffrn_reflns_limit_h_min       -39
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            183625
_diffrn_reflns_theta_full        30.04
_diffrn_reflns_theta_max         30.04
_diffrn_reflns_theta_min         1.84
_diffrn_standards_decay_%        0.0
_exptl_absorpt_coefficient_mu    0.240
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.084
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cube
_exptl_crystal_F_000             2920
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.715
_refine_diff_density_min         -0.266
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.012
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1389
_refine_ls_number_reflns         23776
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.0566
_refine_ls_R_factor_gt           0.0387
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0670P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1041
_refine_ls_wR_factor_ref         0.1123
_reflns_number_gt                17852
_reflns_number_total             23776
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060308ksi20060405_114123.cif
_cod_data_source_block           05328
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_Hall     '-P 2ybc  '
_cod_original_sg_symbol_H-M      'P2(1)/c  '
_cod_database_code               4075468