Rhenium ethoxy- and hydroxycarbene complexes with thiophene substituents.
Lotz, Simon; Landman, Marilé; Olivier, Andrew J.; Bezuidenhout, Daniela I.; Liles, David C.; Palmer, Eric R.; Dalton transactions (Cambridge, England : 2003) 40 (2011) 9394–9403; doi:10.1039/c1dt10824g

data_7016812
_publ_section_title
;
 Rhenium ethoxy- and hydroxycarbene complexes with thiophene
 substituents.
;
_journal_issue                   37
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9394
_journal_page_last               9403
_journal_paper_doi               10.1039/c1dt10824g
_journal_volume                  40
_journal_year                    2011
_chemical_formula_moiety         'C28 H12 O20 Re4 S'
_chemical_formula_sum            'C28 H12 O20 Re4 S'
_chemical_formula_weight         1445.24
_chemical_name_systematic
;
Thiophene-2,5-bis((ethoxymethylidene)-(nonacarbonyl)-dirhenium)
;
_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                112.639(1)
_cell_angle_beta                 105.394(1)
_cell_angle_gamma                98.378(1)
_cell_formula_units_Z            2
_cell_length_a                   12.3975(16)
_cell_length_b                   12.4762(16)
_cell_length_c                   13.8030(18)
_cell_measurement_reflns_used    6812
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.302
_cell_measurement_theta_min      2.520
_cell_volume                     1824.6(4)
_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 (The POV-Ray Team, 2004)'
_computing_publication_material  SHELXL-97
_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 0.966
_diffrn_measured_fraction_theta_max 0.865
_diffrn_measurement_device_type  'Bruker (Seimens) 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  0.0286
_diffrn_reflns_av_sigmaI/netI    0.0449
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9557
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         26.44
_diffrn_reflns_theta_min         2.52
_exptl_absorpt_coefficient_mu    13.363
_exptl_absorpt_correction_T_max  0.053
_exptl_absorpt_correction_T_min  0.028
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2001)'
_exptl_crystal_colour            dark-red
_exptl_crystal_density_diffrn    2.631
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1312
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.22
_refine_diff_density_max         3.879
_refine_diff_density_min         -2.568
_refine_diff_density_rms         0.298
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     480
_refine_ls_number_reflns         6497
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0540
_refine_ls_R_factor_gt           0.0475
_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^)+(0.0878P)^2^+7.6057P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1239
_refine_ls_wR_factor_ref         0.1321
_reflns_number_gt                5638
_reflns_number_total             6497
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c1dt10824g.txt
_cod_data_source_block           ao08_complex_2a
_cod_database_code               7016812