Tetrahedral iron featuring an appended Lewis acid: distinct pathways for the reduction of hydroxylamine and hydrazine
Kiernicki, John J.; Norwine, Emily E.; Zeller, Matthias; Szymczak, Nathaniel K.; Chemical Communications  (2019) –; doi:10.1039/C9CC05720J

data_7124189
_publ_section_title
;
 Tetrahedral iron featuring an appended Lewis acid: distinct pathways for
 the reduction of hydroxylamine and hydrazine
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC05720J
_journal_year                    2019
_chemical_formula_sum            'C24 H38 B Br Fe N4'
_chemical_formula_weight         529.15
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2019-07-17 deposited with the CCDC.    2019-08-29 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 107.2654(8)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   21.6707(4)
_cell_length_b                   13.3677(2)
_cell_length_c                   18.9165(3)
_cell_measurement_reflns_used    9964
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      80.6618
_cell_measurement_theta_min      3.9361
_cell_volume                     5232.95(15)
_computing_cell_refinement       'SAINT V8.38A (Bruker, 2016)'
_computing_data_collection       'Apex3 v2017.3-0 (Bruker, 2017)'
_computing_data_reduction        'SAINT V8.38A (Bruker, 2016)'
_computing_structure_refinement
;  
SHELXL-2018/3 (Sheldrick, 2015, 2018), 
SHELXLE Rev937 (H\"ubschle et al., 2011)
;
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.908
_diffrn_measurement_device_type  'Bruker AXS D8 Quest CMOS diffractometer'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  'laterally graded multilayer (Goebel) mirror'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0326
_diffrn_reflns_av_unetI/netI     0.0295
_diffrn_reflns_Laue_measured_fraction_full 0.985
_diffrn_reflns_Laue_measured_fraction_max 0.908
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            18479
_diffrn_reflns_point_group_measured_fraction_full 0.985
_diffrn_reflns_point_group_measured_fraction_max 0.908
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         80.935
_diffrn_reflns_theta_min         3.937
_diffrn_source                   'I-mu-S microsource X-ray tube'
_exptl_absorpt_coefficient_mu    6.530
_exptl_absorpt_correction_T_max  0.7543
_exptl_absorpt_correction_T_min  0.5407
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.343
_exptl_crystal_description       block
_exptl_crystal_F_000             2208
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent'
_exptl_crystal_size_max          0.330
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.110
_refine_diff_density_max         0.599
_refine_diff_density_min         -0.553
_refine_diff_density_rms         0.054
_refine_ls_extinction_coef       0.000059(15)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     285
_refine_ls_number_reflns         5234
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0331
_refine_ls_R_factor_gt           0.0293
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0281P)^2^+7.2848P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0710
_refine_ls_wR_factor_ref         0.0727
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4751
_reflns_number_total             5234
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc05720j2.cif
_cod_data_source_block           JK4210_0m
_cod_database_code               7124189
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.222
_shelx_estimated_absorpt_t_max   0.534
_shelx_res_checksum              32423