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_7709527
_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            'C64 H67 Mg N7 O Se'
_chemical_formula_weight         1053.51
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 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                90
_cell_angle_beta                 104.728(4)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   22.435(3)
_cell_length_b                   22.776(3)
_cell_length_c                   22.188(3)
_cell_measurement_reflns_used    9559
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.24
_cell_measurement_theta_min      2.31
_cell_volume                     10965(3)
_computing_cell_refinement       SAINT
_computing_data_collection       APEX3
_computing_data_reduction        SAINT
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXL-2018/3
_computing_structure_solution    SHELXT-2014/5
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker D8 Quest (CMOS)'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1883
_diffrn_reflns_av_unetI/netI     0.1522
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            116500
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.026
_diffrn_reflns_theta_max         25.026
_diffrn_reflns_theta_min         1.891
_diffrn_source                   'microfocus tube'
_exptl_absorpt_coefficient_mu    0.746
_exptl_absorpt_correction_T_max  0.9420
_exptl_absorpt_correction_T_min  0.5902
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS-2016/2
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.276
_exptl_crystal_description       prism
_exptl_crystal_F_000             4432
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.040
_refine_diff_density_max         4.551
_refine_diff_density_min         -1.533
_refine_diff_density_rms         0.200
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1335
_refine_ls_number_reflns         19353
_refine_ls_number_restraints     200
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.2098
_refine_ls_R_factor_gt           0.1361
_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^)+(0.1783P)^2^+168.5583P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3464
_refine_ls_wR_factor_ref         0.3959
_reflns_Friedel_coverage         0.000
_reflns_number_gt                11240
_reflns_number_total             19353
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1dt04366h3.cif
_cod_data_source_block           12
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7709527
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.865
_shelx_estimated_absorpt_t_max   0.971
_shelx_res_checksum              30814
_shelx_hkl_checksum              42258