Synthesis, Structure, and Reactivity of Organo-Iron(II) Complexes with N-Heterocyclic Carbene Ligation
Xiang, Li; Xiao, Jie; Deng, Liang; Organometallics 30 (2011) 2018–; doi:10.1021/om2000663

data_4064360
_publ_section_title
;
 Synthesis, Structure, and Reactivity of Organo-Iron(II) Complexes with
 N-Heterocyclic Carbene Ligation
;
_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              2018
_journal_paper_doi               10.1021/om2000663
_journal_volume                  30
_journal_year                    2011
_chemical_formula_sum            'C29 H42 Fe N2'
_chemical_formula_weight         474.50
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.6389(5)
_cell_length_b                   8.6518(2)
_cell_length_c                   19.5164(5)
_cell_measurement_temperature    296(2)
_cell_volume                     2809.51(13)
_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  0.0269
_diffrn_reflns_av_sigmaI/netI    0.0235
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            32129
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.09
_exptl_absorpt_coefficient_mu    0.554
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.735455
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.122
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.312
_refine_diff_density_min         -0.519
_refine_diff_density_rms         0.043
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.008(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     326
_refine_ls_number_reflns         5133
_refine_ls_number_restraints     67
_refine_ls_restrained_S_all      1.002
_refine_ls_R_factor_all          0.0460
_refine_ls_R_factor_gt           0.0385
_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^)+(0.0424P)^2^+1.1192P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0934
_refine_ls_wR_factor_ref         0.1004
_reflns_number_gt                4498
_reflns_number_total             5133
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om2000663_si_001.cif
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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      Pca2(1)
_cod_database_code               4064360