Mixed-Valence Dinitrogen-Bridged Fe(0)/Fe(II) Complex
Leslie D. Field; Ruth W. Guest; Peter Turner; Inorganic Chemistry 49 (2010) 9086–9093; doi:10.1021/ic101646p

data_4316687
_publ_section_title
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 Mixed-Valence Dinitrogen-Bridged Fe(0)/Fe(II) Complex
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9086
_journal_page_last               9093
_journal_paper_doi               10.1021/ic101646p
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C48 H81 B Fe2 N2 P8'
_chemical_formula_weight         1056.42
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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                 94.0140(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.8330(3)
_cell_length_b                   17.6540(4)
_cell_length_c                   19.7390(4)
_cell_measurement_reflns_used    8574
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      30.26
_cell_measurement_theta_min      2.63
_cell_volume                     5503.8(2)
_computing_cell_refinement       'SAINT (Bruker-AXS,2003)'
_computing_data_collection       'APEX (Bruker-AXS,2003)'
_computing_data_reduction        'SAINT and XPREP (Bruker-AXS,2003)'
_computing_molecular_graphics
;
  xtal 3.6 (Hall,du Boulay, D.J. & Olthof-Hazekamp, R. 1999)
  ORTEPII  (Johnson,C.K., 1976). 
  WinGX (Farrugia, 1999)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare, et. al. 1997)'
_diffrn_ambient_temperature      150(2)
_diffrn_crystal_treatment
;
attached with Exxon Paratone N, to a short length 
of fibre supported on a thin piece of copper wire 
inserted in a copper mounting pin.  The crystal was 
quenched in a cold nitrogen gas stream from an 
Oxford Cryosystems Cryostream. 
;
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  APEXII-FR591
_diffrn_measurement_method       \w+\f
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0397
_diffrn_reflns_av_sigmaI/netI    0.0250
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            155716
_diffrn_reflns_theta_full        30.55
_diffrn_reflns_theta_max         30.55
_diffrn_reflns_theta_min         1.55
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.793
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.892
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  SADABS (Sheldrick, 1996)
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.275
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2240
_exptl_crystal_size_max          0.471
_exptl_crystal_size_mid          0.156
_exptl_crystal_size_min          0.075
_refine_diff_density_max         0.940
_refine_diff_density_min         -0.884
_refine_diff_density_rms         0.216
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.613
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     566
_refine_ls_number_reflns         16819
_refine_ls_number_restraints     20
_refine_ls_restrained_S_all      1.642
_refine_ls_R_factor_all          0.0659
_refine_ls_R_factor_gt           0.0432
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.05P)^2^+0.80P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1160
_refine_ls_wR_factor_ref         0.1393
_reflns_number_gt                12882
_reflns_number_total             16819
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic101646p_si_001_2.cif
_cod_data_source_block           ldf05ms1_sad
_cod_depositor_comments
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The following automatic conversions were performed:

data name '_atom_site_symetry_multiplicity' was replaced with
'_atom_site_symmetry_multiplicity' as specified in the replacement
file 'data/replacement-values/replacement_tags.lst'.

Automatic conversion script
Id: cif_correct_tags 9268 2022-04-12 08:56:07Z antanas 
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_cod_original_sg_symbol_H-M      'P 21/c '
_cod_database_code               4316687