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_7709521
_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            'C48 H58 N3 Na O3 Se'
_chemical_formula_weight         826.92
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2022-01-14 deposited with the CCDC.	2022-02-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
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_cell_length_b                   21.5074(5)
_cell_length_c                   39.7104(8)
_cell_measurement_reflns_used    20578
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      24.3150
_cell_measurement_theta_min      1.9550
_cell_volume                     8893.1(3)
_computing_cell_refinement       'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  \^A
_computing_structure_refinement  \^A
_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  'Xcalibur EOS'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0734
_diffrn_reflns_av_unetI/netI     0.0326
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       47
_diffrn_reflns_limit_l_min       -47
_diffrn_reflns_number            105117
_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         2.154
_exptl_absorpt_coefficient_mu    0.897
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.51541
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.67a (Rigaku Oxford Diffraction, 2019)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.235
_exptl_crystal_description       prism
_exptl_crystal_F_000             3488
_exptl_crystal_size_max          0.350
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.250
_refine_diff_density_max         0.954
_refine_diff_density_min         -0.499
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     520
_refine_ls_number_reflns         7854
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0621
_refine_ls_R_factor_gt           0.0450
_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^)+(0.0377P)^2^+18.0523P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1023
_refine_ls_wR_factor_ref         0.1109
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6302
_reflns_number_total             7854
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1dt04366h3.cif
_cod_data_source_block           nabianhmeophncse
_cod_original_cell_volume        8893.0(4)
_cod_database_code               7709521
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.744
_shelx_estimated_absorpt_t_max   0.807
_oxdiff_exptl_absorpt_empirical_full_min 0.737
_oxdiff_exptl_absorpt_empirical_full_max 1.772
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              79470
_shelx_hkl_checksum              95014