Cycloaddition of isoselenocyanates to sodium and magnesium metallacycles
Dodonov, Vladimir Alekseevich; Kushnerova, Olga A.; Rumyantcev, Roman V.; Novikov, Alexander S.; Osmanov, Vladimir K.; Fedushkin, Igor Leonidovich; Dalton Transactions  (2022) –; doi:10.1039/D1DT04366H

data_7709524
_publ_section_title
;
 Cycloaddition of isoselenocyanates to sodium and magnesium metallacycles
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D1DT04366H
_journal_year                    2022
_chemical_formula_sum            'C74 H70 Mg2 N6 O2 Se2'
_chemical_formula_weight         1281.90
_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
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2022-02-11 deposited with the CCDC.	2022-02-15 downloaded from the CCDC.
;
_cell_angle_alpha                76.429(8)
_cell_angle_beta                 72.949(8)
_cell_angle_gamma                63.250(7)
_cell_formula_units_Z            2
_cell_length_a                   13.5189(9)
_cell_length_b                   14.4611(11)
_cell_length_c                   18.747(2)
_cell_measurement_reflns_used    1828
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      57.6900
_cell_measurement_theta_min      2.4670
_cell_volume                     3106.2(5)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 10.5435
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.967
_diffrn_measurement_device_type
'SuperNova, Single source at offset/far, Atlas'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.1419
_diffrn_reflns_av_unetI/netI     0.2255
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.967
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            22759
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.967
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         74.102
_diffrn_reflns_theta_min         2.483
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    2.097
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.86217
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.371
_exptl_crystal_description       prism
_exptl_crystal_F_000             1328
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.924
_refine_diff_density_min         -0.832
_refine_diff_density_rms         0.108
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     785
_refine_ls_number_reflns         12208
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.1874
_refine_ls_R_factor_gt           0.0756
_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^)+(0.0126P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1166
_refine_ls_wR_factor_ref         0.1735
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5199
_reflns_number_total             12208
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1dt04366h3.cif
_cod_data_source_block           14
_cod_database_code               7709524
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.679
_shelx_estimated_absorpt_t_max   0.818
_oxdiff_exptl_absorpt_empirical_full_min 0.832
_oxdiff_exptl_absorpt_empirical_full_max 1.356
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              57084
_shelx_hkl_checksum              30033