Two-Coordinate First Row Transition Metal Complexes with Short Unsupported Metal-Metal Bonds
Hao Lei; Jing-Dong Guo; James C. Fettinger; Shigeru Nagase; Philip P. Power; Journal of the American Chemical Society 132 (2010) 17399–17401; doi:10.1021/ja1089777

data_4103688
_publ_section_title
;
 Two-Coordinate First Row Transition Metal Complexes with Short
 Unsupported Metal-Metal Bonds
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              17399
_journal_page_last               17401
_journal_paper_doi               10.1021/ja1089777
_journal_volume                  132
_journal_year                    2010
_chemical_formula_moiety         'C49 H66 Fe2 O2, 0.625(C6H14)'
_chemical_formula_sum            'C52.75 H74.75 Fe2 O2'
_chemical_formula_weight         852.58
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           45
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'I 2 -2c'
_symmetry_space_group_name_H-M   'I b a 2'
_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            8
_cell_length_a                   27.500(3)
_cell_length_b                   19.024(2)
_cell_length_c                   19.263(2)
_cell_measurement_reflns_used    8581
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      22.55
_cell_measurement_theta_min      2.48
_cell_volume                     10077.6(19)
_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      90(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  0.1047
_diffrn_reflns_av_sigmaI/netI    0.0868
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            52004
_diffrn_reflns_theta_full        25.24
_diffrn_reflns_theta_max         25.24
_diffrn_reflns_theta_min         2.48
_exptl_absorpt_coefficient_mu    0.611
_exptl_absorpt_correction_T_max  0.9527
_exptl_absorpt_correction_T_min  0.6708
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    1.124
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             3674
_exptl_crystal_size_max          0.71
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.08
_platon_squeeze_details
;
;
_refine_diff_density_max         0.555
_refine_diff_density_min         -0.562
_refine_diff_density_rms         0.059
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.024(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.995
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     494
_refine_ls_number_reflns         9042
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.995
_refine_ls_R_factor_all          0.0750
_refine_ls_R_factor_gt           0.0550
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0714P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1257
_refine_ls_wR_factor_ref         0.1341
_reflns_number_gt                6832
_reflns_number_total             9042
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja1089777_si_002.cif
_cod_data_source_block           hl62f2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'multi-Scan' changed to
'multi-scan' according to the built-in table from CIF Core dictionary
named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_refine_ls_hydrogen_treatment' value 'CONSTR' changed
to 'constr' according to the built-in table from CIF Core dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        10077.8(19)
_cod_database_code               4103688