An isolable stannaimine and its cycloaddition/metathesis reactions with carbon dioxide.
Evans, Matthew J.; Parr, Joseph M.; Nguyen, Dat T.; Jones, Cameron; Chemical communications (Cambridge, England) 60 (2024) 10350–10353; doi:10.1039/d4cc04006f

data_7133601
_publ_section_title
;
 An isolable stannaimine and its cycloaddition/metathesis reactions with
 carbon dioxide.
;
_journal_issue                   75
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              10350
_journal_page_last               10353
_journal_paper_doi               10.1039/d4cc04006f
_journal_volume                  60
_journal_year                    2024
_chemical_formula_sum            'C35.5 H55 Br Mg O2'
_chemical_formula_weight         618.01
_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
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2024-08-06 deposited with the CCDC.	2024-08-26 downloaded from the CCDC.
;
_cell_angle_alpha                110.10(3)
_cell_angle_beta                 90.20(3)
_cell_angle_gamma                110.90(3)
_cell_formula_units_Z            4
_cell_length_a                   11.650(2)
_cell_length_b                   16.270(3)
_cell_length_c                   20.410(4)
_cell_measurement_reflns_used    81308
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.372
_cell_measurement_theta_min      1.074
_cell_volume                     3358.7(16)
_computing_cell_refinement       'XDS (Kabsch, 2010)'
_computing_data_collection       'AS QEGUI'
_computing_data_reduction        'XDS (Kabsch, 2010)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 13.3
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  MX2
_diffrn_measurement_method       'Omega Scan'
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0811
_diffrn_reflns_av_unetI/netI     0.0469
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.973
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            81308
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.973
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.372
_diffrn_reflns_theta_min         1.074
_diffrn_source                   'MX2 Beamline Australian Synchrotron'
_exptl_absorpt_coefficient_mu    1.271
_exptl_absorpt_correction_T_max  'Value not reported by XDS'
_exptl_absorpt_correction_T_min  'Value not reported by XDS'
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'XDS (Kabsch, 2010)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.222
_exptl_crystal_description       needle
_exptl_crystal_F_000             1324
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.130
_exptl_crystal_size_min          0.080
_exptl_transmission_factor_max   'Value not reported by XDS'
_exptl_transmission_factor_min   'Value not reported by XDS'
_refine_diff_density_max         0.896
_refine_diff_density_min         -0.747
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1180
_refine_ls_number_reflns         13370
_refine_ls_number_restraints     2059
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.1201
_refine_ls_R_factor_gt           0.0682
_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^)+(0.1268P)^2^+0.9124P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1960
_refine_ls_wR_factor_ref         0.2352
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7485
_reflns_number_total             13370
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4cc04006f2.cif
_cod_data_source_block           cj1694
_cod_depositor_comments
'Adding full bibliography for 7133593--7133605.cif.'
_cod_original_cell_volume        3358.7(15)
_cod_original_formula_sum        'C35.50 H55 Br Mg O2'
_cod_database_code               7133601
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.832
_shelx_estimated_absorpt_t_max   0.905
_shelx_res_checksum              76374
_shelx_hkl_checksum              49974