Four-Coordinate Iron(II) Diaryl Compounds with Monodentate N-Heterocyclic Carbene Ligation: Synthesis, Characterization, and Their Tetrahedral-Square Planar Isomerization in Solution.
Liu, Yuesheng; Luo, Lun; Xiao, Jie; Wang, Lei; Song, You; Qu, Jingping; Luo, Yi; Deng, Liang; Inorganic chemistry 54 (2015) 4752–4760; doi:10.1021/acs.inorgchem.5b00138

data_4342981
_publ_section_title
;
 Four-Coordinate Iron(II) Diaryl Compounds with Monodentate N-Heterocyclic
 Carbene Ligation: Synthesis, Characterization, and Their
 Tetrahedral-Square Planar Isomerization in Solution.
;
_journal_issue                   10
_journal_name_full               'Inorganic chemistry'
_journal_page_first              4752
_journal_page_last               4760
_journal_paper_doi               10.1021/acs.inorgchem.5b00138
_journal_volume                  54
_journal_year                    2015
_chemical_formula_sum            'C46 H62 F12 Fe N4 O4'
_chemical_formula_weight         1018.85
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           64
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-C 2ac 2'
_symmetry_space_group_name_H-M   'C m c a'
_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                   18.323(3)
_cell_length_b                   16.883(3)
_cell_length_c                   15.291(2)
_cell_measurement_reflns_used    5343
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      27.22
_cell_measurement_theta_min      2.41
_cell_volume                     4730.2(13)
_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, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      140(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  0.0380
_diffrn_reflns_av_sigmaI/netI    0.0256
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            18283
_diffrn_reflns_theta_full        27.59
_diffrn_reflns_theta_max         27.59
_diffrn_reflns_theta_min         2.11
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.413
_exptl_absorpt_correction_T_max  0.9406
_exptl_absorpt_correction_T_min  0.8896
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.431
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2128
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.145
_refine_diff_density_min         -0.571
_refine_diff_density_rms         0.086
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     186
_refine_ls_number_reflns         2821
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0760
_refine_ls_R_factor_gt           0.0599
_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^)+(0.1186P)^2^+12.7949P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1728
_refine_ls_wR_factor_ref         0.1959
_reflns_number_gt                2245
_reflns_number_total             2821
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic5b00138_si_002.cif
_cod_data_source_block           6s+2dioxane
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 4342978--4342981.cif.
;
_cod_original_cell_volume        4730.2(12)
_cod_original_sg_symbol_H-M      Cmca
_cod_database_code               4342981