Stepwise N–H bond formation from N2-derived iron nitride, imide and amide intermediates to ammonia
MacLeod, K. Cory; McWilliams, Sean F.; Mercado, Brandon Q.; Holland, Patrick L.; Chem. Sci. 7 (2016) 5736–; doi:10.1039/C6SC00423G

data_1543446
_publ_section_title
;
 Stepwise N--H bond formation from N2-derived iron nitride, imide and
 amide intermediates to ammonia
;
_journal_issue                   9
_journal_name_full               'Chem. Sci.'
_journal_page_first              5736
_journal_paper_doi               10.1039/C6SC00423G
_journal_volume                  7
_journal_year                    2016
_chemical_formula_moiety         'C60 H64 Fe2 N4'
_chemical_formula_sum            'C60 H64 Fe2 N4'
_chemical_formula_weight         952.85
_chemical_name_common            mini-14047
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014
_audit_update_record
;
2016-01-26 deposited with the CCDC.
2016-05-23 downloaded from the CCDC.
;
_cell_angle_alpha                104.019(7)
_cell_angle_beta                 113.332(8)
_cell_angle_gamma                108.094(8)
_cell_formula_units_Z            1
_cell_length_a                   10.8292(17)
_cell_length_b                   12.1016(19)
_cell_length_c                   12.4355(19)
_cell_measurement_reflns_used    17201
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      27.8
_cell_measurement_theta_min      3.0
_cell_volume                     1291.9(4)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r15 (Rigaku, 2011)'
_computing_data_collection       'CrystalClear-SM Expert 2.0 r15 (Rigaku, 2011)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r15 (Rigaku, 2011)'
_computing_molecular_graphics
;
Dolomanov, O.V.; Bourhis, L.J.; Gildea, R.J.; Howard, J.A.K.; Puschmann, H., 
OLEX2: A complete structure solution, refinement and analysis program
(2009). J. Appl. Cryst., 42, 339-341.
;
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      93(2)
_diffrn_detector_area_resol_mean 6.8
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku Mercury275R CCD'
_diffrn_measurement_method       \w
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0824
_diffrn_reflns_av_unetI/netI     0.0697
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            18357
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.343
_diffrn_reflns_theta_min         3.038
_diffrn_source                   'Sealed Tube'
_exptl_absorpt_coefficient_mu    0.603
_exptl_absorpt_correction_T_max  0.910
_exptl_absorpt_correction_T_min  0.604
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private Communication'
_exptl_crystal_colour            Black
_exptl_crystal_density_diffrn    1.225
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             504
_exptl_crystal_size_max          0.280
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.160
_refine_diff_density_max         0.665
_refine_diff_density_min         -0.365
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.171
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     305
_refine_ls_number_reflns         4717
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.171
_refine_ls_R_factor_all          0.0940
_refine_ls_R_factor_gt           0.0734
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0868P)^2^+0.1419P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1680
_refine_ls_wR_factor_ref         0.1794
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3869
_reflns_number_total             4717
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6sc00423g2.cif
_cod_data_source_block           7a
_cod_depositor_comments
'Adding full bibliography for 1543441--1543447.cif.'
_cod_database_code               1543446
_shelx_estimated_absorpt_t_min   0.849
_shelx_estimated_absorpt_t_max   0.910
_shelxl_version_number           2014-3
_shelx_res_checksum              79520