Aqua and ammine 3d metal complexes with anion-radical of difurazanopyrazine
Fokin, Sergey V.; Tolstikov, Svyatoslav E.; Morozov, Vitaliy A.; Samsonenko, Arkady A.; Romanenko, Galina; Bogomyakov, Artem; CrystEngComm  (2025) –; doi:10.1039/D5CE00836K

data_7251159
_publ_section_title
;
 Aqua and ammine 3d metal complexes with anion-radical of
 difurazanopyrazine
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D5CE00836K
_journal_year                    2025
_chemical_formula_sum            'C8 H12 N16 Ni O4'
_chemical_formula_weight         455.05
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2024-12-05 deposited with the CCDC.	2025-10-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 111.9995(14)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.3767(3)
_cell_length_b                   11.2253(4)
_cell_length_c                   9.2089(3)
_cell_measurement_reflns_used    3681
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      67.74
_cell_measurement_theta_min      6.10
_cell_volume                     802.87(5)
_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      296(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0241
_diffrn_reflns_av_unetI/netI     0.0199
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            5683
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         67.864
_diffrn_reflns_theta_min         6.099
_exptl_absorpt_coefficient_mu    2.359
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.882
_exptl_crystal_description       prism
_exptl_crystal_F_000             464
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.012
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.414
_refine_diff_density_min         -0.324
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     157
_refine_ls_number_reflns         1437
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.0314
_refine_ls_R_factor_gt           0.0295
_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^)+(0.0494P)^2^+0.3658P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0823
_refine_ls_wR_factor_ref         0.0842
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1333
_reflns_number_total             1437
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5ce00836k2.cif
_cod_data_source_block           514
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7251159
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              75708