Unusual Dinitrogen Binding and Electron Storage in Dinuclear Iron Complexes.
Sorsche, Dieter; Miehlich, Matthias E.; Searles, Keith; Gouget, Guillaume; Zolnhofer, Eva M.; Fortier, Skye; Chen, Chun-Hsing; Gau, Michael; Carroll, Patrick J.; Murray, Christopher B.; Caulton, Kenneth G.; Khusniyarov, Marat M.; Meyer, Karsten; Mindiola, Daniel J.; Journal of the American Chemical Society  (2020) –; doi:10.1021/jacs.0c01488

data_4134777
_publ_section_title
;
 Unusual Dinitrogen Binding and Electron Storage in Dinuclear Iron
 Complexes.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.0c01488
_journal_year                    2020
_chemical_formula_moiety         'C58 H82 Fe2 N6'
_chemical_formula_sum            'C58 H82 Fe2 N6'
_chemical_formula_weight         975.03
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_audit_creation_date             13-05-29
_audit_creation_method           CRYSTALS_ver_14.40
_cell_angle_alpha                81.5980(10)
_cell_angle_beta                 87.0790(10)
_cell_angle_gamma                89.9060(10)
_cell_formula_units_Z            2
_cell_length_a                   9.8917(5)
_cell_length_b                   13.3478(7)
_cell_length_c                   20.5374(10)
_cell_measurement_reflns_used    9884
_cell_measurement_temperature    150
_cell_measurement_theta_max      28
_cell_measurement_theta_min      3
_cell_volume                     2679.0(2)
_computing_cell_refinement       'Apex2 (Bruker AXS, 2006)'
_computing_data_collection       'Apex2 (Bruker AXS, 2006)'
_computing_data_reduction        'Apex2 (Bruker AXS, 2006)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SHELXS 86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device       Area
_diffrn_measurement_device_type  'Bruker Kappa Apex2'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.040
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            75411
_diffrn_reflns_theta_full        32.593
_diffrn_reflns_theta_max         33.259
_diffrn_reflns_theta_min         1.542
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.584
_exptl_absorpt_correction_T_max  0.86
_exptl_absorpt_correction_T_min  0.86
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Siemens, 1996)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.209
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1048.003
_exptl_crystal_size_max          0.350
_exptl_crystal_size_mid          0.250
_exptl_crystal_size_min          0.250
_refine_diff_density_max         0.65
_refine_diff_density_min         -0.58
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.0509
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     595
_refine_ls_number_reflns         20466
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0579
_refine_ls_R_factor_gt           0.0391
_refine_ls_shift/su_max          0.0015063
_refine_ls_shift/su_mean         0.0000282
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 Method= Modified Sheldrick 
 w=1/[\s^2^(F^2^) + ( 0.04P)^2^ + 1.23P] 
 ,where P=(max(Fo^2^,0) + 2Fc^2^)/3 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.1091
_refine_ls_wR_factor_gt          0.0900
_refine_ls_wR_factor_ref         0.1091
_reflns_limit_h_max              15
_reflns_limit_h_min              -15
_reflns_limit_k_max              20
_reflns_limit_k_min              -20
_reflns_limit_l_max              31
_reflns_limit_l_min              0
_reflns_number_gt                15573
_reflns_number_total             20466
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   0.00
_oxford_diffrn_Wilson_scale      0.00
_oxford_refine_ls_r_factor_ref   0.0579
_oxford_refine_ls_scale          0.103768(16)
_oxford_reflns_number_all        20466
_oxford_reflns_threshold_expression_ref I>-10.0\s(I)
_oxford_structure_analysis_title 'prelim in P-1'
_cod_data_source_file            ja0c01488_si_004.cif
_cod_data_source_block           13047
_cod_original_sg_symbol_H-M      'P -1 '
_cod_database_code               4134777
_iucr_refine_instruction_details_constraints
;
BLOCK SCALE X'S, U'S 
RIDE C   (   2,X'S) H   (  21,X'S) 
RIDE C   (   6,X'S) H   (  61,X'S) H   (  62,X'S) H   (  63,X'S) 
RIDE C   (   7,X'S) H   (  71,X'S) H   (  72,X'S) H   (  73,X'S) 
RIDE C   (   8,X'S) H   (  81,X'S) H   (  82,X'S) H   (  83,X'S) 
RIDE C   (  10,X'S) H   ( 101,X'S) H   ( 102,X'S) H   ( 103,X'S) 
RIDE C   (  11,X'S) H   ( 111,X'S) H   ( 112,X'S) H   ( 113,X'S) 
RIDE C   (  12,X'S) H   ( 121,X'S) H   ( 122,X'S) H   ( 123,X'S) 
RIDE C   (  14,X'S) H   ( 141,X'S) 
RIDE C   (  15,X'S) H   ( 151,X'S) 
RIDE C   (  16,X'S) H   ( 161,X'S) 
RIDE C   (  20,X'S) H   ( 201,X'S) 
RIDE C   (  23,X'S) H   ( 231,X'S) H   ( 232,X'S) H   ( 233,X'S) 
RIDE C   (  24,X'S) H   ( 241,X'S) H   ( 242,X'S) H   ( 243,X'S) 
RIDE C   (  25,X'S) H   ( 251,X'S) H   ( 252,X'S) H   ( 253,X'S) 
RIDE C   (  27,X'S) H   ( 271,X'S) H   ( 272,X'S) H   ( 273,X'S) 
RIDE C   (  28,X'S) H   ( 281,X'S) H   ( 282,X'S) H   ( 283,X'S) 
RIDE C   (  29,X'S) H   ( 291,X'S) H   ( 292,X'S) H   ( 293,X'S) 
RIDE C   (  31,X'S) H   ( 311,X'S) 
RIDE C   (  35,X'S) H   ( 351,X'S) H   ( 352,X'S) H   ( 353,X'S) 
RIDE C   (  36,X'S) H   ( 361,X'S) H   ( 362,X'S) H   ( 363,X'S) 
RIDE C   (  37,X'S) H   ( 371,X'S) H   ( 372,X'S) H   ( 373,X'S) 
RIDE C   (  39,X'S) H   ( 391,X'S) H   ( 392,X'S) H   ( 393,X'S) 
RIDE C   (  40,X'S) H   ( 401,X'S) H   ( 402,X'S) H   ( 403,X'S) 
RIDE C   (  41,X'S) H   ( 411,X'S) H   ( 412,X'S) H   ( 413,X'S) 
RIDE C   (  43,X'S) H   ( 431,X'S) 
RIDE C   (  44,X'S) H   ( 441,X'S) 
RIDE C   (  45,X'S) H   ( 451,X'S) 
RIDE C   (  49,X'S) H   ( 491,X'S) 
RIDE C   (  52,X'S) H   ( 521,X'S) H   ( 522,X'S) H   ( 523,X'S) 
RIDE C   (  53,X'S) H   ( 531,X'S) H   ( 532,X'S) H   ( 533,X'S) 
RIDE C   (  54,X'S) H   ( 541,X'S) H   ( 542,X'S) H   ( 543,X'S) 
RIDE C   (  56,X'S) H   ( 561,X'S) H   ( 562,X'S) H   ( 563,X'S) 
RIDE C   (  57,X'S) H   ( 571,X'S) H   ( 572,X'S) H   ( 573,X'S) 
RIDE C   (  58,X'S) H   ( 581,X'S) H   ( 582,X'S) H   ( 583,X'S) 
END                                                                             
;
_iucr_refine_instruction_details_restraints
;
NO 
REM   HREST   START (DO NOT REMOVE THIS LINE) 
REM   HREST   END (DO NOT REMOVE THIS LINE) 
END                                                                             
;