Mono-, di- and tetrarhenium Fischer carbene complexes with thienothiophene substituents
Lamprecht, Zandria; Radhakrishnan, Shankara; Hildebrandt, Alexander; Lang, Heinrich; Liles, David Charles; Weststrate, Nora-ann; Lotz, Simon; Bezuidenhout, Daniela Ina; Dalton Trans.  (2017) –; doi:10.1039/C7DT02969A

data_7044238
_publ_section_title
;
 Mono-, di- and tetrarhenium Fischer carbene complexes with
 thienothiophene substituents
;
_journal_name_full               'Dalton Trans.'
_journal_paper_doi               10.1039/C7DT02969A
_journal_year                    2017
_chemical_formula_moiety         'C18 H8 O10 Re2 S2'
_chemical_formula_sum            'C18 H8 O10 Re2 S2'
_chemical_formula_weight         820.76
_chemical_name_systematic
(Ethoxy-(thieno[2,3-b]thiophen-2-yl)-carbene)-nonacarbonyl-dirhenium
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     intrinsic-phasing
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2017-06-08 deposited with the CCDC.
2017-09-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 106.099(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.6980(5)
_cell_length_b                   13.1478(6)
_cell_length_c                   17.4834(9)
_cell_measurement_reflns_used    9165
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      31.509
_cell_measurement_theta_min      2.425
_cell_volume                     2141.84(19)
_computing_cell_refinement       'SAINT (Bruker, 2015)'
_computing_data_collection       'APEX2 (Bruker, 2015)'
_computing_data_reduction        'SAINT (Bruker, 2015)'
_computing_molecular_graphics
;
 ORTEP-3 for Windows (Farrugia, 1997), POV-RAY (Cason, 2004),
 Mercury (Macrae <i>et al</i>., 2008)
;
_computing_publication_material  'SHELXL-2014, PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXTL, SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXTS (Sheldrick, 2014)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 10.24
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker kappa Photon CMOS'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1020
_diffrn_reflns_av_unetI/netI     0.0438
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            110751
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         31.649
_diffrn_reflns_theta_min         2.425
_diffrn_source                   ' I\mS  micro focus'
_exptl_absorpt_coefficient_mu    11.542
_exptl_absorpt_correction_T_max  0.639
_exptl_absorpt_correction_T_min  0.276
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2015)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    2.545
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular-fragment
_exptl_crystal_F_000             1512
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent'
_exptl_crystal_size_max          0.314
_exptl_crystal_size_mid          0.263
_exptl_crystal_size_min          0.216
_refine_diff_density_max         1.639
_refine_diff_density_min         -1.993
_refine_diff_density_rms         0.231
_refine_ls_extinction_coef       0.00297(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2016/6 (Sheldrick 2016)'
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     291
_refine_ls_number_reflns         7210
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0432
_refine_ls_R_factor_gt           0.0296
_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^)+(0.0324P)^2^+2.0226P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0665
_refine_ls_wR_factor_ref         0.0713
_reflns_number_gt                6028
_reflns_number_total             7210
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7dt02969a2.cif
_cod_data_source_block           mo_ZL225F2_1_0m_a
_cod_database_code               7044238
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.122
_shelx_estimated_absorpt_t_max   0.189
_shelx_res_checksum              53585