Unprecedented Zwitterionic Iminium−Chalcogenide Bridging Ligands in Diiron Complexes
Busetto, Luigi; Marchetti, Fabio; Zacchini, Stefano; Zanotti, Valerio; Organometallics 25 (2006) 4808–; doi:10.1021/om060550r

data_4074317
_publ_section_title
;
 Unprecedented Zwitterionic Iminium&#x2212;Chalcogenide Bridging Ligands
 in Diiron Complexes
;
_journal_issue                   20
_journal_name_full               Organometallics
_journal_page_first              4808
_journal_paper_doi               10.1021/om060550r
_journal_volume                  25
_journal_year                    2006
_chemical_formula_sum            'C25 H25 Fe2 N O3'
_chemical_formula_weight         499.16
_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     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 101.91(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.498(2)
_cell_length_b                   13.149(3)
_cell_length_c                   16.805(3)
_cell_measurement_reflns_used    7226
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.0295
_cell_measurement_theta_min      2.4775
_cell_volume                     2269.8(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0669
_diffrn_reflns_av_sigmaI/netI    0.0491
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            30058
_diffrn_reflns_theta_full        30.51
_diffrn_reflns_theta_max         30.51
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    1.304
_exptl_absorpt_correction_T_max  0.8385
_exptl_absorpt_correction_T_min  0.7535
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.461
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1032
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.582
_refine_diff_density_min         -0.484
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.001
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     284
_refine_ls_number_reflns         6919
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.0665
_refine_ls_R_factor_gt           0.0435
_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^)+(0.0608P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1082
_refine_ls_wR_factor_ref         0.1188
_reflns_number_gt                4828
_reflns_number_total             6919
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060550rsi20060623_120323.cif
_cod_data_source_block           z57sad
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4074317