Opening of Bent Bi−C Bonds by Silanols To Give Stable Cp2Mo(μ-BiOR)2MoCp2Complexes
Knispel, Christina; Limberg, Christian; Mehring, Michael; Organometallics 28 (2009) 646–; doi:10.1021/om8008662

data_4068462
_publ_section_title
;
 Opening of Bent Bi&#x2212;C Bonds by Silanols To Give Stable
 Cp2Mo(\m-BiOR)2MoCp2Complexes
;
_journal_issue                   2
_journal_name_full               Organometallics
_journal_page_first              646
_journal_paper_doi               10.1021/om8008662
_journal_volume                  28
_journal_year                    2009
_chemical_formula_moiety         'C34 H70 Bi2 Mo O4 Si4'
_chemical_formula_sum            'C34 H70 Bi2 Mo O4 Si4'
_chemical_formula_weight         1169.16
_chemical_name_systematic
; 
 Di(\h^5^-cyclopentadienyl)molybdenum-bis(bismuthdi(tert-
butyldimethylsilanolat)) 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 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                   10.8274(11)
_cell_length_b                   12.1563(12)
_cell_length_c                   34.104(4)
_cell_measurement_reflns_used    5000
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      5
_cell_volume                     4488.8(8)
_computing_cell_refinement       'IPDS2.87 (Stoe & Cie, 1997)'
_computing_data_collection       'IPDS2.87 (Stoe & Cie, 1997)'
_computing_data_reduction        'IPDS2.87 (Stoe & Cie, 1997)'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 1999)'
_computing_publication_material  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      180(2)
_diffrn_detector_area_resol_mean 6.667
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'Stoe IPDS diffractometer'
_diffrn_measurement_method       '\f-oscill.,\f-incr.=1.2\%,183 exposures'
_diffrn_radiation_monochromator  'planar graphite'
_diffrn_radiation_source         'fine-focus sealed X-ray tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1438
_diffrn_reflns_av_sigmaI/netI    0.1452
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            24633
_diffrn_reflns_theta_full        25.25
_diffrn_reflns_theta_max         25.25
_diffrn_reflns_theta_min         2.06
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    8.234
_exptl_absorpt_correction_T_max  0.1997
_exptl_absorpt_correction_T_min  0.1281
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
;
The correction was carried out by ABSCOR (Stoe, 1997), a modification of
DIFABS (Walker, N. & Stuart, D. (1983). Acta Cryst. A39, 158-166.
In contrary to DIFABS, ABSCOR loads F^2^ values instead of F ones.
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.730
_exptl_crystal_density_method    none
_exptl_crystal_description       block
_exptl_crystal_F_000             2280
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         2.534
_refine_diff_density_min         -2.302
_refine_diff_density_rms         0.211
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.448(9)
_refine_ls_extinction_coef       0.00024(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.901
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     408
_refine_ls_number_reflns         8056
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.901
_refine_ls_R_factor_all          0.0910
_refine_ls_R_factor_gt           0.0542
_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^)+(0.0201P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0901
_refine_ls_wR_factor_ref         0.0994
_reflns_number_gt                5743
_reflns_number_total             8056
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            om8008662_si_001.cif
_cod_data_source_block           1
_cod_database_code               4068462