Synthesis, characterization, and reactivity of furan- and thiophene-functionalized bis(N-heterocyclic carbene) complexes of iron(II).
Rieb, Julia; Raba, Andreas; Haslinger, Stefan; Kaspar, Manuel; Pöthig, Alexander; Cokoja, Mirza; Basset, Jean-Marie; Kühn, Fritz E; Inorganic chemistry 53 (2014) 9598–9606; doi:10.1021/ic500959m

data_4350671
_publ_section_title
;
 Synthesis, characterization, and reactivity of furan- and
 thiophene-functionalized bis(N-heterocyclic carbene) complexes of
 iron(II).
;
_journal_issue                   18
_journal_name_full               'Inorganic chemistry'
_journal_page_first              9598
_journal_page_last               9606
_journal_paper_doi               10.1021/ic500959m
_journal_volume                  53
_journal_year                    2014
_chemical_compound_source        'see text'
_chemical_formula_moiety         'C15 H14 N4 O2, 2(F6 P), C2 H3 N'
_chemical_formula_sum            'C17 H17 F12 N5 O2 P2'
_chemical_formula_weight         613.30
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   24.2220(9)
_cell_length_b                   14.0397(6)
_cell_length_c                   6.9906(3)
_cell_measurement_reflns_used    9943
_cell_measurement_temperature    123
_cell_measurement_theta_max      25.3585
_cell_measurement_theta_min      2.2208
_cell_volume                     2377.29(17)
_computing_cell_refinement       'SAINT (Bruker, 2008b)'
_computing_data_collection       'APEX II Control Software (Bruker, 2008a)'
_computing_data_reduction        'SAINT (Bruker, 2008b)'
_computing_molecular_graphics    'PLATON (Spek, 2011)'
_computing_publication_material  'PLATON (Spek, 2011), enCIFer (Allen, 2004)'
_computing_structure_refinement
'SHELXL97 (Sheldrick, 2008), SHELXLE (Huebschle, 2011)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      123
_diffrn_detector                 ' CCD plate '
_diffrn_detector_area_resol_mean 16
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       ' \k-geometry diffractometer '
_diffrn_measurement_device_type  ' Bruker APEX-II CCD '
_diffrn_measurement_method       ' phi- and omega-rotation '
_diffrn_radiation_monochromator  'MONTEL optic'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'rotating anode FR591'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0689
_diffrn_reflns_av_sigmaI/netI    0.0237
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            41103
_diffrn_reflns_reduction_process
;
;
_diffrn_reflns_theta_full        25.47
_diffrn_reflns_theta_max         25.47
_diffrn_reflns_theta_min         1.68
_exptl_absorpt_coefficient_mu    0.304
_exptl_absorpt_correction_T_max  0.961
_exptl_absorpt_correction_T_min  0.887
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker, 2008b'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.714
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             1232
_exptl_crystal_size_max          0.410
_exptl_crystal_size_mid          0.230
_exptl_crystal_size_min          0.130
_refine_diff_density_max         0.244
_refine_diff_density_min         -0.285
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     188
_refine_ls_number_reflns         2292
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0355
_refine_ls_R_factor_gt           0.0264
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0314P)^2^+1.2785P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0651
_refine_ls_wR_factor_ref         0.0700
_reflns_number_gt                1935
_reflns_number_total             2292
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic500959m_si_002.cif
_cod_data_source_block           compound_1a
_cod_database_code               4350671