An Iron(II) Ylide Complex as A Masked Open-Shell Iron Alkylidene Species in Its Alkylidene-Transfer Reactions with Alkenes.
Liu, Jian; Hu, Lianrui; Wang, Lei; Chen, Hui; Deng, Liang; Journal of the American Chemical Society  (2017) –; doi:10.1021/jacs.7b00484

data_4125556
_publ_section_title
;
 An Iron(II) Ylide Complex as A Masked Open-Shell Iron Alkylidene Species
 in Its Alkylidene-Transfer Reactions with Alkenes.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.7b00484
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_sum            'C38 H35 F4 Fe N2 O2 P'
_chemical_formula_weight         714.50
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           36
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c -2'
_symmetry_space_group_name_H-M   'C m c 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                   16.7064(17)
_cell_length_b                   13.0153(14)
_cell_length_c                   15.7175(17)
_cell_measurement_reflns_used    4759
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.57
_cell_measurement_theta_min      2.37
_cell_volume                     3417.6(6)
_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      173(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  0.0339
_diffrn_reflns_av_sigmaI/netI    0.0439
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            16616
_diffrn_reflns_theta_full        30.57
_diffrn_reflns_theta_max         30.57
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    0.546
_exptl_absorpt_correction_T_max  0.9373
_exptl_absorpt_correction_T_min  0.8532
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.389
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1480
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.634
_refine_diff_density_min         -0.885
_refine_diff_density_rms         0.065
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.013(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     232
_refine_ls_number_reflns         5363
_refine_ls_number_restraints     79
_refine_ls_restrained_S_all      1.132
_refine_ls_R_factor_all          0.0545
_refine_ls_R_factor_gt           0.0445
_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^)+(0.0651P)^2^+2.3720P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1118
_refine_ls_wR_factor_ref         0.1184
_reflns_number_gt                4670
_reflns_number_total             5363
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja7b00484_si_002.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/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 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_sg_symbol_H-M      Cmc2(1)
_cod_database_code               4125556