Multimetal Fischer carbene complexes of Group VI transition metals: synthesis, structure and substituent effect investigation.
Bezuidenhout, Daniela I.; Barnard, Werner; van der Westhuizen, Belinda; van der Watt, Elisia; Liles, David C.; Dalton transactions (Cambridge, England : 2003) 40 (2011) 6711–6721; doi:10.1039/c1dt10183h

data_7016079
_publ_section_title
;
 Multimetal Fischer carbene complexes of Group VI transition metals:
 synthesis, structure and substituent effect investigation.
;
_journal_issue                   25
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6711
_journal_page_last               6721
_journal_paper_doi               10.1039/c1dt10183h
_journal_volume                  40
_journal_year                    2011
_chemical_formula_moiety         'C16 H10 O6 S W'
_chemical_formula_sum            'C16 H10 O6 S W'
_chemical_formula_weight         514.15
_chemical_name_common
;(Ethoxy-(benzo(b)thien-2-yl)-methylidene)-(pentacarbonyl)-
tungsten
;
_chemical_name_systematic
;
(Ethoxy-(benzo[b]thien-2-yl)-methylidene)-(pentacarbonyl)-tungsten
;
_space_group_IT_number           11
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 104.757(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.3964(6)
_cell_length_b                   7.7430(5)
_cell_length_c                   12.5316(7)
_cell_measurement_reflns_used    4432
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.536
_cell_measurement_theta_min      2.435
_cell_volume                     881.68(9)
_computing_cell_refinement       'SAINT (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        SAINT
_computing_molecular_graphics
' ORTEP-3 for Windows (Farrugia, 1997), POV-Ray (Cason, 2004)'
_computing_structure_refinement  'SHELXTL and SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXTL (Bruker, 2001)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'SMART 1000 CCD'
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.914
_diffrn_measurement_device_type  'Bruker (Siemens) P4'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0273
_diffrn_reflns_av_sigmaI/netI    0.0290
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       3
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            4807
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         26.54
_diffrn_reflns_theta_min         2.44
_exptl_absorpt_coefficient_mu    6.696
_exptl_absorpt_correction_T_max  0.479
_exptl_absorpt_correction_T_min  0.285
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2001)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.937
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             488
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.931
_refine_diff_density_min         -0.724
_refine_diff_density_rms         0.108
_refine_ls_extinction_coef       0.0067(8)
_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   1.083
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     134
_refine_ls_number_reflns         1805
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.083
_refine_ls_R_factor_all          0.0244
_refine_ls_R_factor_gt           0.0237
_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^)+(0.0415P)^2^+0.3160P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0618
_refine_ls_wR_factor_ref         0.0630
_reflns_number_gt                1750
_reflns_number_total             1805
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c1dt10183h.txt
_cod_data_source_block           EvdW12_Complex_1b
_cod_original_sg_symbol_H-M      'P 21/m'
_cod_database_code               7016079