σ-Silane, Disilanyl, and [W(μ-H)Si(μ-H)W] Bridging Silylene Complexes via the Reactions of W(PMe3)4(η(2)-CH2PMe2)H with Phenylsilanes.
Zuzek, Ashley A.; Neary, Michelle C.; Parkin, Gerard; Journal of the American Chemical Society  (2014) 141217070549000–; doi:10.1021/ja510703s

data_4123150
_publ_section_title
;
 \s-Silane, Disilanyl, and [W(\m-H)Si(\m-H)W] Bridging Silylene Complexes
 via the Reactions of W(PMe3)4(\h(2)-CH2PMe2)H with Phenylsilanes.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              141217070549000
_journal_paper_doi               10.1021/ja510703s
_journal_year                    2014
_chemical_formula_sum            'C27 H51 P3 Si3 W'
_chemical_formula_weight         736.70
_chemical_name_systematic
; 
 ? 
;
_space_group_crystal_system      monoclinic
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_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
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_cell_angle_beta                 94.3980(10)
_cell_angle_gamma                90
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_cell_measurement_theta_min      2.26
_cell_volume                     3355.8(5)
_computing_cell_refinement       'Bruker SAINT'
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_computing_publication_material  'Bruker SHELXTL'
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_diffrn_ambient_temperature      130(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1366
_diffrn_reflns_av_unetI/netI     0.1151
_diffrn_reflns_Laue_measured_fraction_full 1.000
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_diffrn_reflns_limit_l_min       -30
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_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.982
_diffrn_reflns_theta_min         1.570
_exptl_absorpt_coefficient_mu    3.707
_exptl_absorpt_correction_T_max  0.6859
_exptl_absorpt_correction_T_min  0.4960
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
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_exptl_crystal_description       block
_exptl_crystal_F_000             1496
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_exptl_crystal_size_mid          0.140
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_refine_diff_density_rms         0.210
_refine_ls_extinction_method     none
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_refine_ls_matrix_type           full
_refine_ls_number_parameters     352
_refine_ls_number_reflns         10582
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.1062
_refine_ls_R_factor_gt           0.0524
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0280P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0943
_refine_ls_wR_factor_ref         0.1119
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6369
_reflns_number_total             10582
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja510703s_si_003.cif
_cod_data_source_block           wsisis10
_cod_database_code               4123150
_shelx_estimated_absorpt_t_min   0.496
_shelx_estimated_absorpt_t_max   0.686
_shelxl_version_number           2013-4
_shelx_res_checksum              50843
_shelx_hkl_checksum              56375