Synthesis, oligomerization and catalytic studies of a redox-active Ni4-cubane: a detailed mechanistic investigation
Kushvaha, Saroj Kumar; Francis, Maria; Kumar, Jayasree; Nag, Ekta; Ravichandran, Prathap; Roy, Sudipta; Chandra Mondal, Kartik; RSC Advances 11 (2021) 22849–22858; doi:10.1039/D1RA03071J

data_7243122
_publ_section_title
;
 Synthesis, oligomerization and catalytic studies of a redox-active
 Ni4-cubane: a detailed mechanistic investigation
;
_journal_issue                   37
_journal_name_full               'RSC Advances'
_journal_page_first              22849
_journal_page_last               22858
_journal_paper_doi               10.1039/D1RA03071J
_journal_volume                  11
_journal_year                    2021
_chemical_formula_moiety         'C63 H61 Cl2 N5 Ni4 O13, C H4 O'
_chemical_formula_sum            'C64 H65 Cl2 N5 Ni4 O14'
_chemical_formula_weight         1429.91
_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   mixed
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2020-10-14 deposited with the CCDC.	2021-06-29 downloaded from the CCDC.
;
_cell_angle_alpha                76.64(3)
_cell_angle_beta                 68.85(2)
_cell_angle_gamma                63.449(18)
_cell_formula_units_Z            2
_cell_length_a                   14.070(7)
_cell_length_b                   14.216(8)
_cell_length_c                   19.039(11)
_cell_measurement_reflns_used    9673
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      26.40
_cell_measurement_theta_min      3.15
_cell_volume                     3166(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1011
_diffrn_reflns_av_unetI/netI     0.0556
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            118876
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.451
_diffrn_reflns_theta_min         2.897
_diffrn_source                   'fine focus sealed tube'
_exptl_absorpt_coefficient_mu    1.324
_exptl_absorpt_correction_T_max  0.925
_exptl_absorpt_correction_T_min  0.890
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.500
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             1476
_exptl_crystal_size_max          0.090
_exptl_crystal_size_mid          0.080
_exptl_crystal_size_min          0.060
_refine_diff_density_max         1.640
_refine_diff_density_min         -0.867
_refine_diff_density_rms         0.098
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     809
_refine_ls_number_reflns         12961
_refine_ls_number_restraints     15
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0908
_refine_ls_R_factor_gt           0.0536
_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^)+(0.0680P)^2^+6.5551P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1324
_refine_ls_wR_factor_ref         0.1510
_reflns_Friedel_coverage         0.000
_reflns_number_gt                9131
_reflns_number_total             12961
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ra03071j2.cif
_cod_data_source_block           shelx
_cod_database_code               7243122
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.890
_shelx_estimated_absorpt_t_max   0.925
_shelx_res_checksum              36976