Electronic Communication in Dinuclear C4-Bridged Tungsten Complexes
Sergey N. Semenov; Olivier Blacque; Thomas Fox; Koushik Venkatesan; Heinz Berke; Journal of the American Chemical Society 132 (2010) 3115–3127; doi:10.1021/ja909764x

data_4102016
_publ_section_title
;
 Electronic Communication in Dinuclear C4-Bridged Tungsten Complexes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              3115
_journal_page_last               3127
_journal_paper_doi               10.1021/ja909764x
_journal_volume                  132
_journal_year                    2010
_chemical_formula_moiety         'C62 H48 N2 O4 P4 S2 W2, C5 H12, C6 H6'
_chemical_formula_sum            'C73 H66 N2 O4 P4 S2 W2'
_chemical_formula_weight         1590.98
_chemical_name_systematic
'[(\m-but-2-yn-1,4-diylidyne)bis(dicarbonyl{1,2-bis(diphenylphosphino)ethane}isothiocyanatetungsten)]'
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                103.552(2)
_cell_angle_beta                 92.316(2)
_cell_angle_gamma                116.301(2)
_cell_formula_units_Z            2
_cell_length_a                   13.1172(2)
_cell_length_b                   13.7047(3)
_cell_length_c                   22.2271(5)
_cell_measurement_reflns_used    20077
_cell_measurement_temperature    183(2)
_cell_measurement_theta_max      32.6452
_cell_measurement_theta_min      2.1935
_cell_volume                     3434.31(14)
_computing_cell_refinement
' CrysAlisPro Software, Oxford Diffraction Ltd., Version 1.171.32'
_computing_data_collection
' CrysAlisPro Software, Oxford Diffraction Ltd., Version 1.171.32'
_computing_data_reduction
' CrysAlisPro Software, Oxford Diffraction Ltd., Version 1.171.32'
_computing_molecular_graphics
; ORTEP-3 for Windows, Version 1.08.
  Farrugia, L. J. (1997). J. Appl. Cryst. 30, 565.
;
_computing_publication_material
; WinGX - An integrated system of Windows programs for the solution,
 refinment and analysis of single crystal X-ray diffraction data,
 Version 1.70.01.
 Farrugia, L. J. (1999). J. Appl. Cryst. 32, 837-838.
 SHELXL97. Program for crystal structure refinement.
 Sheldrick, G.M. (2008). Acta Cryst. A64, 112-122.
 PLATON for Windows, Version 1.12.
 Spek, A. L. (2003). J. Appl. Cryst. 36, 7-13. 
;
_computing_structure_refinement
; SHELXL97. Program for crystal structure refinement.
  Sheldrick, G.M. (2008). Acta Cryst. A64, 112-122.
;
_computing_structure_solution
; SHELXS97. Program for Crystal Structure solution.
  Sheldrick, G.M. (2008). Acta Cryst. A64, 112-122.  
;
_diffrn_ambient_temperature      183(2)
_diffrn_detector_area_resol_mean 10.4498
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type
; Oxford Diffraction (2007). Oxford Diffraction Ltd., 
Xcalibur CCD system
;
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0503
_diffrn_reflns_av_sigmaI/netI    0.0957
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            58428
_diffrn_reflns_theta_full        30.51
_diffrn_reflns_theta_max         30.51
_diffrn_reflns_theta_min         2.20
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 50
_diffrn_standards_interval_time  210
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    3.550
_exptl_absorpt_correction_T_max  0.897
_exptl_absorpt_correction_T_min  0.575
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
R.C. Clark and J.S. Reid, Acta Cryst. 1995, A51, 887-897
implemented in the CrysAlis Software system, Oxford Diffraction Ltd.,
Version 1.171.32.
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.539
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1580
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.594
_refine_diff_density_min         -1.003
_refine_diff_density_rms         0.131
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.951
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     705
_refine_ls_number_reflns         20927
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      0.952
_refine_ls_R_factor_all          0.0849
_refine_ls_R_factor_gt           0.0404
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0414P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0804
_refine_ls_wR_factor_ref         0.0928
_reflns_number_gt                13100
_reflns_number_total             20927
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja909764x_si_008.cif
_cod_data_source_block           8
_cod_database_code               4102016