Synthesis and Structures of Mesitylgallylene-Bridged Diiron Complexes [Cp‘Fe(CO)]2(μ-CO)(μ-GaMes) (Cp‘ = η-C5Me5, η-C5H5; Mes = 2,4,6-Trimethylphenyl) and Kinetic Study of the Cis−Trans Isomerization of [(η-C5H5)Fe(CO)]2(μ-CO)(μ-GaMes)
Yamaguchi, Takeshi; Ueno, Keiji; Ogino, Hiroshi; Organometallics 20 (2001) 501–; doi:10.1021/om000675a

data_4077206
_publ_section_title
;
 Synthesis and Structures of Mesitylgallylene-Bridged Diiron Complexes
 [Cp&#x2018;Fe(CO)]2(\m-CO)(\m-GaMes) (Cp&#x2018; = \h-C5Me5, \h-C5H5; Mes
 = 2,4,6-Trimethylphenyl) and Kinetic Study of the Cis&#x2212;Trans
 Isomerization of [(\h-C5H5)Fe(CO)]2(\m-CO)(\m-GaMes)
;
_journal_issue                   3
_journal_name_full               Organometallics
_journal_page_first              501
_journal_paper_doi               10.1021/om000675a
_journal_volume                  20
_journal_year                    2001
_chemical_formula_moiety         '[(C5 H5) Fe (C O)]2 (C O) (Ga C9 H11)'
_chemical_formula_sum            'C22 H21 Fe2 Ga O3'
_chemical_formula_weight         514.81
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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     heavy
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 106.460(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.5605(3)
_cell_length_b                   19.6762(8)
_cell_length_c                   12.8157(5)
_cell_measurement_reflns_used    16032
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.46
_cell_measurement_theta_min      2.65
_cell_volume                     2070.19(14)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        'teXsan Ver. 1.10'
_computing_molecular_graphics    ORTEP
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 10
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID Imaging Plate'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating-anode X-ray tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0497
_diffrn_reflns_av_sigmaI/netI    0.0295
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            18789
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    2.694
_exptl_absorpt_correction_T_max  0.641849
_exptl_absorpt_correction_T_min  0.529268
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   Coppens_numerical
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.652
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1040
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.573
_refine_diff_density_min         -0.639
_refine_diff_density_rms         0.175
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.142
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         4701
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.142
_refine_ls_R_factor_all          0.0508
_refine_ls_R_factor_gt           0.0382
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0660P)^2^+0.7771P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1093
_refine_ls_wR_factor_ref         0.1220
_reflns_number_gt                3920
_reflns_number_total             4701
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om000675a.cif
_cod_data_source_block           '[(C5H5)Fe(CO)]2(CO)(GaMes)'
_cod_database_code               4077206