Reactions of d0 tungsten alkylidyne complexes with O2 or H2O. Formation of an oxo siloxy complex through unusual silyl migrations
Laurel A. Morton; Maozhong Miao; Tabitha M. Callaway; Tianniu Chen; Shu-Jian Chen; Albert A. Tuinman; Xianghua Yu; Zheng Lu; Zi-Ling Xue; Chem.Commun. 49 (2013) 9555–; doi:10.1039/c3cc46014b

data_7109870
_publ_section_title
;
 Reactions of d0 tungsten alkylidyne complexes with O2 or H2O. Formation
 of an oxo siloxy complex through unusual silyl migrations
;
_journal_name_full               Chem.Commun.
_journal_page_first              9555
_journal_paper_doi               10.1039/c3cc46014b
_journal_volume                  49
_journal_year                    2013
_chemical_formula_sum            'C19 H51 O P Si4 W'
_chemical_formula_weight         622.78
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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            4
_cell_length_a                   17.903(4)
_cell_length_b                   10.516(2)
_cell_length_c                   17.191(4)
_cell_measurement_temperature    173(2)
_cell_volume                     3236.5(12)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.979
_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  0.0526
_diffrn_reflns_av_sigmaI/netI    0.0580
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            32436
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.34
_diffrn_reflns_theta_min         2.25
_exptl_absorpt_coefficient_mu    3.773
_exptl_absorpt_correction_T_max  0.5191
_exptl_absorpt_correction_T_min  0.3973
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    1.278
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1272
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.821
_refine_diff_density_min         -0.757
_refine_diff_density_rms         0.116
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.025(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.093
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     251
_refine_ls_number_reflns         7734
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.093
_refine_ls_R_factor_all          0.0670
_refine_ls_R_factor_gt           0.0374
_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^)+(0.0282P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0695
_refine_ls_wR_factor_ref         0.0782
_reflns_number_gt                5615
_reflns_number_total             7734
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc46014b.txt
_cod_data_source_block           finalorth2
_cod_original_cell_volume        3236.6(12)
_cod_original_sg_symbol_H-M      'p n a 21'
_cod_database_code               7109870