Synthesis and solvent dependent reactivity of chelating bis-N-heterocyclic carbene complexes of Fe((II)) hydrides.
Zlatogorsky, Sergey; Ingleson, Michael J.; Dalton transactions (Cambridge, England : 2003) 41 (2012) 2685–2693; doi:10.1039/c2dt12048h

data_7018239
_publ_section_title
;
 Synthesis and solvent dependent reactivity of chelating
 bis-N-heterocyclic carbene complexes of Fe((II)) hydrides.
;
_journal_issue                   9
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2685
_journal_page_last               2693
_journal_paper_doi               10.1039/c2dt12048h
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety         'C43 H70 B2 N4'
_chemical_formula_sum            'C43 H70 B2 N4'
_chemical_formula_weight         664.65
_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                 98.163(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.8268(6)
_cell_length_b                   9.5632(5)
_cell_length_c                   31.8206(17)
_cell_measurement_reflns_used    5898
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.3544
_cell_measurement_theta_min      3.0684
_cell_volume                     4165.0(4)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.33.52 (release 06-11-2009 CrysAlis171 .NET)
(compiled Nov 6 2009,16:24:50)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.33.52 (release 06-11-2009 CrysAlis171 .NET)
(compiled Nov 6 2009,16:24:50)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.33.52 (release 06-11-2009 CrysAlis171 .NET)
(compiled Nov 6 2009,16:24:50)
;
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3367
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Oxford Diffraction XCalibur 2'
_diffrn_measurement_method       'phi and omega'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0620
_diffrn_reflns_av_sigmaI/netI    0.0825
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            23155
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         3.74
_exptl_absorpt_coefficient_mu    0.060
_exptl_absorpt_correction_T_max  0.9910
_exptl_absorpt_correction_T_min  0.9532
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.52 (release 06-11-2009 CrysAlis171 .NET)
(compiled Nov 6 2009,16:24:50)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.060
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1464
_exptl_crystal_size_max          0.80
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.683
_refine_diff_density_min         -0.519
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     456
_refine_ls_number_reflns         7325
_refine_ls_number_restraints     256
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.1475
_refine_ls_R_factor_gt           0.0939
_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^)+(0.1415P)^2^+2.4643P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2496
_refine_ls_wR_factor_ref         0.2728
_reflns_number_gt                4159
_reflns_number_total             7325
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt12048h.txt
_cod_data_source_block           c:\workdo~1\crystals\omji77~1\bet3ad~1\omji77
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7018239