Exploring the bimodal nature of a nickel-based catalytic system for the hydrogenation of alkenes and polycyclic aromatic hydrocarbons
Redl, Samuel; Halas, Simon; Monkowius, Uwe; Topf, Christoph; Catalysis Science & Technology 16 (2026) 1238–1249; doi:10.1039/D5CY01341K

data_1576622
_publ_section_title
;
 Exploring the bimodal nature of a nickel-based catalytic system for the
 hydrogenation of alkenes and polycyclic aromatic hydrocarbons
;
_journal_issue                   4
_journal_name_full               'Catalysis Science &amp; Technology'
_journal_page_first              1238
_journal_page_last               1249
_journal_paper_doi               10.1039/D5CY01341K
_journal_volume                  16
_journal_year                    2026
_chemical_formula_sum            'C36 H35 Br N2 Ni'
_chemical_formula_weight         634.28
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_update_record
;
2025-10-04 deposited with the CCDC.	2026-01-08 downloaded from the CCDC.
;
_cell_angle_alpha                95.407(5)
_cell_angle_beta                 103.657(5)
_cell_angle_gamma                103.770(5)
_cell_formula_units_Z            2
_cell_length_a                   10.977(2)
_cell_length_b                   11.712(3)
_cell_length_c                   12.949(3)
_cell_measurement_reflns_used    9309
_cell_measurement_temperature    296.(2)
_cell_measurement_theta_max      23.4348
_cell_measurement_theta_min      2.6814
_cell_volume                     1551.1(6)
_computing_cell_refinement       'SAINT V8.40B (Bruker AXS LLC, 2019)'
_computing_data_collection       'Bruker Instrument Service vV6.2.15'
_computing_data_reduction        'SAINT V8.40B (Bruker AXS LLC, 2019)'
_computing_molecular_graphics    'shelXle (C.B. Huebschle, rev 1328)'
_computing_structure_refinement  'SHELXL-2019/1 (Sheldrick, 2019)'
_computing_structure_solution    'XT, VERSION 2018/2'
_diffrn_ambient_temperature      296.(2)
_diffrn_detector_area_resol_mean 7.3910
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker D8 Quest Eco'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoKa
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0628
_diffrn_reflns_av_unetI/netI     0.0561
_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       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            49171
_diffrn_reflns_theta_full        25.24
_diffrn_reflns_theta_max         26.51
_diffrn_reflns_theta_min         3.03
_diffrn_source_current           20.0
_diffrn_source_power             1.00
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    1.940
_exptl_absorpt_correction_T_max  0.76
_exptl_absorpt_correction_T_min  0.69
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Krause, L., Herbst-Irmer, R., Sheldrick, G. M., Stalke, D. (2015).
"Comparison of silver and molybdenum microfocus X-ray sources for
single-crystal structure determination"
J. Appl. Cryst. 48, 3-10.
doi:10.1107/S1600576714022985
;
_exptl_crystal_colour            'intense red'
_exptl_crystal_density_diffrn    1.358
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             656
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: toluene'
_exptl_crystal_size_max          0.199
_exptl_crystal_size_mid          0.164
_exptl_crystal_size_min          0.151
_refine_diff_density_max         0.539
_refine_diff_density_min         -0.679
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.107
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     355
_refine_ls_number_reflns         6400
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.107
_refine_ls_R_factor_all          0.0845
_refine_ls_R_factor_gt           0.0447
_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^)+(0.0526P)^2^+0.3688P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1075
_refine_ls_wR_factor_ref         0.1176
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4122
_reflns_number_total             6400
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5cy01341k2.cif
_cod_data_source_block           SR1966
_cod_database_code               1576622
_shelx_res_checksum              44492