Synthesis and Catalytic Epoxidation Activity with TBHP and H2O2of Dioxo-, Oxoperoxo-, and Oxodiperoxo Molybdenum(VI) and Tungsten(VI) Compounds Containing Monodentate or Bidentate Phosphine Oxide Ligands: Crystal Structures of WCl2(O)2(OPMePh2)2, WCl2(O)(O2)(OPMePh2)2, MoCl2(O)2dppmO2·C4H10O, WCl2(O)2dppmO2, Mo(O)(O2)2dppmO2, and W(O)(O2)2dppmO2
Jimtaisong, Ampa; Luck, Rudy L.; Inorganic Chemistry 45 (2006) 10391–10402; doi:10.1021/ic061455d

data_4333125
_publ_section_title
;
 Synthesis and Catalytic Epoxidation Activity with TBHP and H2O2of Dioxo-,
 Oxoperoxo-, and Oxodiperoxo Molybdenum(VI) and Tungsten(VI) Compounds
 Containing Monodentate or Bidentate Phosphine Oxide Ligands:&#x00A0;
 Crystal Structures of WCl2(O)2(OPMePh2)2, WCl2(O)(O2)(OPMePh2)2,
 MoCl2(O)2dppmO2&#x00B7;C4H10O, WCl2(O)2dppmO2, Mo(O)(O2)2dppmO2, and
 W(O)(O2)2dppmO2
;
_journal_issue                   25
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              10391
_journal_page_last               10402
_journal_paper_doi               10.1021/ic061455d
_journal_volume                  45
_journal_year                    2006
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C25 H22 O7 P2 W1'
_chemical_formula_sum            'C25 H22 O7 P2 W'
_chemical_formula_weight         680.22
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2006-05-28T17:27:22-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 96.44(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.479(3)
_cell_length_b                   10.990(2)
_cell_length_c                   17.278(5)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      22.5
_cell_measurement_theta_min      1
_cell_measurement_wavelength     0.71073
_cell_volume                     2543.3(10)
_computing_cell_refinement       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_collection       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'scintillation LiI'
_diffrn_detector_dtime           1.195
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Enraf Nonius TurboCAD4'
_diffrn_measurement_method       'non-profiled omega/2theta scans'
_diffrn_orient_matrix_type
;
  x-axis points to radiation source
  the matrix is specified in reciprocal space
;
_diffrn_orient_matrix_UB_11      -0.033818
_diffrn_orient_matrix_UB_12      -0.058236
_diffrn_orient_matrix_UB_13      0.032892
_diffrn_orient_matrix_UB_21      0.05347
_diffrn_orient_matrix_UB_22      0.013887
_diffrn_orient_matrix_UB_23      0.044103
_diffrn_orient_matrix_UB_31      -0.039639
_diffrn_orient_matrix_UB_32      0.068521
_diffrn_orient_matrix_UB_33      0.019121
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0323
_diffrn_reflns_av_unetI/netI     0.0892
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            3486
_diffrn_reflns_theta_full        22.49
_diffrn_reflns_theta_max         22.49
_diffrn_reflns_theta_min         1.82
_diffrn_source                   'Enraf Nonius FR590'
_diffrn_standards_decay_%        9
_diffrn_standards_interval_time  166
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    4.71
_exptl_absorpt_correction_T_max  0.6236
_exptl_absorpt_correction_T_min  0.5301
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details
;
North A.C.T., Phillips D.C. & Mathews F.S. (1968) Acta. Cryst. A24, 351
        Number of psi-scan sets used was   8
        Theta correction was applied.
        Averaged transmission function was used.
        No Fourier smoothing was applied.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.776
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1328
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.405
_refine_diff_density_min         -2.274
_refine_diff_density_rms         0.123
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.12
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     334
_refine_ls_number_reflns         3323
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.12
_refine_ls_R_factor_all          0.1524
_refine_ls_R_factor_gt           0.0595
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+23.3805P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0939
_refine_ls_wR_factor_ref         0.1125
_reflns_number_gt                1745
_reflns_number_total             3323
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic061455dsup1.cif
_cod_data_source_block           testcr
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4333125
_exptl_absorpt_factor_mur        0.471
_exptl_absorpt_correction_t_ave  0.5777
_diffrn_standards_decay_corr_max 1.091
_diffrn_standards_decay_corr_min 0.991