High-Spin Iron(II) Alkynyl Complexes with N-Heterocyclic Carbene Ligation: Synthesis, Characterization, and Reactivity Study
Wang, Xiaojie; Zhang, Jia; Wang, Lei; Deng, Liang; Organometallics 34 (2015) 2775–; doi:10.1021/acs.organomet.5b00028

data_4085938
_publ_section_title
;
 High-Spin Iron(II) Alkynyl Complexes with N-Heterocyclic Carbene
 Ligation: Synthesis, Characterization, and Reactivity Study
;
_journal_issue                   12
_journal_name_full               Organometallics
_journal_page_first              2775
_journal_paper_doi               10.1021/acs.organomet.5b00028
_journal_volume                  34
_journal_year                    2015
_chemical_absolute_configuration ad
_chemical_formula_sum            'C34 H58 Fe N4'
_chemical_formula_weight         578.69
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           146
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  'R 3'
_symmetry_space_group_name_H-M   'R 3 :H'
_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                120.00
_cell_formula_units_Z            9
_cell_length_a                   27.826(3)
_cell_length_b                   27.826(3)
_cell_length_c                   13.4682(14)
_cell_measurement_reflns_used    4905
_cell_measurement_temperature    143(2)
_cell_measurement_theta_max      22.14
_cell_measurement_theta_min      2.27
_cell_volume                     9031.1(17)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      143(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0510
_diffrn_reflns_av_sigmaI/netI    0.0801
_diffrn_reflns_limit_h_max       39
_diffrn_reflns_limit_h_min       -39
_diffrn_reflns_limit_k_max       39
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            29742
_diffrn_reflns_theta_full        30.53
_diffrn_reflns_theta_max         30.53
_diffrn_reflns_theta_min         1.73
_exptl_absorpt_coefficient_mu    0.398
_exptl_absorpt_correction_T_max  0.9538
_exptl_absorpt_correction_T_min  0.8899
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    0.958
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2844
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.12
_platon_squeeze_details
;
;
_refine_diff_density_max         0.709
_refine_diff_density_min         -0.540
_refine_diff_density_rms         0.063
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.025(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     370
_refine_ls_number_reflns         12212
_refine_ls_number_restraints     19
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0799
_refine_ls_R_factor_gt           0.0563
_refine_ls_shift/su_max          0.056
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0695P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1294
_refine_ls_wR_factor_ref         0.1386
_reflns_number_gt                8983
_reflns_number_total             12212
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om5b00028_si_002.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Hexagonal' changed to 'hexagonal'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 4085938--4085941.cif.
;
_cod_original_cell_volume        9030.9(17)
_cod_original_sg_symbol_H-M      R3
_cod_database_code               4085938