Fischer Dinuclear and Mononuclear Bis-Carbene Complexes of Thiophene and Thiophene Derivatives
Lotz, Simon; van Jaarsveld, Nina A.; Liles, David C.; Crause, Chantelle; Görls, Helmar; Terblans, Yvette M.; Organometallics 31 (2012) 5371–; doi:10.1021/om300414y

data_4078779
_publ_section_title
;
 Fischer Dinuclear and Mononuclear Bis-Carbene Complexes of Thiophene and
 Thiophene Derivatives
;
_journal_issue                   15
_journal_name_full               Organometallics
_journal_page_first              5371
_journal_paper_doi               10.1021/om300414y
_journal_volume                  31
_journal_year                    2012
_chemical_formula_moiety         'C15 H11 N O6 S W'
_chemical_formula_sum            'C15 H11 N O6 S W'
_chemical_formula_weight         517.16
_chemical_name_systematic
; 
[2-(Ethoxymethylidenyl)-4-methyl-4-<i>H</i>-thienopyrrole](pentacarbonyl)
tungsten 
;
_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                65.739(3)
_cell_angle_beta                 82.524(3)
_cell_angle_gamma                73.027(3)
_cell_formula_units_Z            2
_cell_length_a                   7.1651(4)
_cell_length_b                   11.4198(7)
_cell_length_c                   11.8024(7)
_cell_measurement_reflns_used    7278
_cell_measurement_temperature    183(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.89
_cell_volume                     842.02(9)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'COLLECT (Nonius B.V. 1998)'
_computing_data_reduction
' HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics
' ORTEP-3 for Windows (Farrugia, 1997), POV-Ray (Cason, 2004)'
_computing_publication_material  ' SHELXL-97, PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      183(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_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  0.0679
_diffrn_reflns_av_sigmaI/netI    0.0841
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            7278
_diffrn_reflns_theta_full        25.24
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         1.89
_exptl_absorpt_coefficient_mu    7.013
_exptl_absorpt_correction_T_max  0.581
_exptl_absorpt_correction_T_min  0.382
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav (Blessing 1995)'
_exptl_crystal_colour            red-orange
_exptl_crystal_density_diffrn    2.040
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             492
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.672
_refine_diff_density_min         -1.404
_refine_diff_density_rms         0.172
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.944
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         3753
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.944
_refine_ls_R_factor_all          0.0400
_refine_ls_R_factor_gt           0.0315
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0065P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0617
_refine_ls_wR_factor_ref         0.0627
_reflns_number_gt                3121
_reflns_number_total             3753
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            om300414y_si_002.cif
_cod_data_source_block           complex_8b_fo1429
_cod_database_code               4078779