Reactivity of Terminal, Electrophilic Phosphinidene Complexes of Molybdenum and Tungsten. Nucleophilic Addition at Phosphorus and P−P Bond Forming Reactions with Phosphines and Diphosphines
Sterenberg, Brian T.; Senturk, Ozan Sanli; Udachin, Konstantin A.; Carty, Arthur J.; Organometallics 26 (2007) 925–; doi:10.1021/om060685x

data_4072481
_publ_section_title
;
 Reactivity of Terminal, Electrophilic Phosphinidene Complexes of
 Molybdenum and Tungsten. Nucleophilic Addition at Phosphorus and
 P&#x2212;P Bond Forming Reactions with Phosphines and Diphosphines
;
_journal_issue                   4
_journal_name_full               Organometallics
_journal_page_first              925
_journal_paper_doi               10.1021/om060685x
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C24 H44 Al Cl4 N O2 P2 W'
_chemical_formula_weight         793.17
_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                 94.2520(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.1589(5)
_cell_length_b                   26.0275(14)
_cell_length_c                   12.6512(7)
_cell_measurement_temperature    173(2)
_cell_volume                     3335.9(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0338
_diffrn_reflns_av_sigmaI/netI    0.0208
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       -35
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            39320
_diffrn_reflns_theta_full        28.73
_diffrn_reflns_theta_max         28.73
_diffrn_reflns_theta_min         1.56
_exptl_absorpt_coefficient_mu    3.927
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.579
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1584
_refine_diff_density_max         0.772
_refine_diff_density_min         -0.790
_refine_diff_density_rms         0.099
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     328
_refine_ls_number_reflns         8613
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0291
_refine_ls_R_factor_gt           0.0246
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0298P)^2^+4.6697P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0641
_refine_ls_wR_factor_ref         0.0660
_reflns_number_gt                7748
_reflns_number_total             8613
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060685xsi20060731_105009.cif
_cod_data_source_block           oz16
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4072481