Thermal Activation of Hydrocarbon C-H Bonds Initiated by a Tungsten Allyl Complex
Stephen H. K. Ng; Craig S. Adams; Trevor W. Hayton; Peter Legzdins; Brian O. Patrick; Journal of the American Chemical Society 125 (2003) 15210–15223; doi:10.1021/ja037076q

data_4114452
_publ_section_title
;
 Thermal Activation of Hydrocarbon C-H Bonds Initiated by a Tungsten Allyl
 Complex
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15210
_journal_page_last               15223
_journal_paper_doi               10.1021/ja037076q
_journal_volume                  125
_journal_year                    2003
_chemical_formula_sum            'C21 H33 N O W'
_chemical_formula_weight         499.33
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   14.8888(10)
_cell_length_b                   14.7065(9)
_cell_length_c                   17.8503(13)
_cell_measurement_temperature    293(2)
_cell_volume                     3908.5(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.931
_diffrn_measured_fraction_theta_max 0.931
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0680
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            4347
_diffrn_reflns_theta_full        27.88
_diffrn_reflns_theta_max         27.88
_diffrn_reflns_theta_min         2.26
_exptl_absorpt_coefficient_mu    5.918
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.697
_exptl_crystal_description       block
_exptl_crystal_F_000             1984
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.05
_refine_diff_density_max         2.985
_refine_diff_density_min         -3.000
_refine_diff_density_rms         0.201
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.888
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     243
_refine_ls_number_reflns         4347
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.888
_refine_ls_R_factor_all          0.0456
_refine_ls_R_factor_gt           0.0331
_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^)+(0.0283P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0803
_refine_ls_wR_factor_ref         0.0825
_reflns_number_gt                3155
_reflns_number_total             4347
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja037076qsi20030704_013217.cif
_cod_data_source_block           complex19
_cod_database_code               4114452