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_4072482
_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            'C54 H71 B Mo N O2 P3'
_chemical_formula_weight         965.78
_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                   17.6501(9)
_cell_length_b                   16.4751(8)
_cell_length_c                   35.5604(18)
_cell_measurement_temperature    173(2)
_cell_volume                     10340.5(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_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  0.0517
_diffrn_reflns_av_sigmaI/netI    0.0434
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       48
_diffrn_reflns_limit_l_min       -48
_diffrn_reflns_number            85889
_diffrn_reflns_theta_full        28.74
_diffrn_reflns_theta_max         28.74
_diffrn_reflns_theta_min         1.15
_exptl_absorpt_coefficient_mu    0.386
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.241
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             4080
_refine_diff_density_max         0.898
_refine_diff_density_min         -0.735
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     555
_refine_ls_number_reflns         13374
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.0716
_refine_ls_R_factor_gt           0.0388
_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^)+(0.0627P)^2^+0.1736P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1010
_refine_ls_wR_factor_ref         0.1125
_reflns_number_gt                8868
_reflns_number_total             13374
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060685xsi20060731_105009.cif
_cod_data_source_block           oz4
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               4072482