Interconversion between a silaimine and an aminosilylene supported by an iminophosphonamide ligand.
Takahashi, Shintaro; Ishii, Akihiko; Nakata, Norio; Chemical communications (Cambridge, England) 57 (2021) 3203–3206; doi:10.1039/d1cc00667c

data_1560725
_publ_section_title
;
 Interconversion between a silaimine and an aminosilylene supported by an
 iminophosphonamide ligand.
;
_journal_issue                   26
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              3203
_journal_page_last               3206
_journal_paper_doi               10.1039/d1cc00667c
_journal_volume                  57
_journal_year                    2021
_chemical_formula_moiety         'C20 H28 Cl N2 P Se Si'
_chemical_formula_sum            'C20 H28 Cl N2 P Se Si'
_chemical_formula_weight         469.91
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/1
_audit_update_record
;
2020-12-28 deposited with the CCDC.	2021-03-01 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.403(2)
_cell_angle_gamma                90
_cell_formula_units_Z            12
_cell_length_a                   15.6803(19)
_cell_length_b                   10.0386(12)
_cell_length_c                   42.425(5)
_cell_measurement_reflns_used    4576
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.69
_cell_measurement_theta_min      2.41
_cell_volume                     6672.2(14)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics
'Yadokari-XG 2009 (Wakita Nemoto et al., 2009)'
_computing_publication_material
'Yadokari-XG 2009 (Wakita Nemoto et al., 2009)'
_computing_structure_refinement  'SHELXL-2018/1 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXL-2018/1 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0840
_diffrn_reflns_av_unetI/netI     0.0822
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       52
_diffrn_reflns_limit_l_min       -45
_diffrn_reflns_number            16835
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.000
_diffrn_reflns_theta_min         0.961
_diffrn_source                   'Bruker TXS fine-focus rotating anode'
_exptl_absorpt_coefficient_mu    1.941
_exptl_absorpt_correction_T_max  0.9441
_exptl_absorpt_correction_T_min  0.8924
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1997)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.403
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2904
_exptl_crystal_size_max          0.060
_exptl_crystal_size_mid          0.050
_exptl_crystal_size_min          0.030
_refine_diff_density_max         0.778
_refine_diff_density_min         -0.555
_refine_diff_density_rms         0.091
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     390
_refine_ls_number_reflns         6563
_refine_ls_number_restraints     14
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.0757
_refine_ls_R_factor_gt           0.0525
_refine_ls_shift/su_max          0.011
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0698P)^2^+2.1956P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1330
_refine_ls_wR_factor_ref         0.1404
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4804
_reflns_number_total             6563
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1cc00667c2.cif
_cod_data_source_block           naka318
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_crystal_density_meas' value 'not measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 1560723--1560725.cif.
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1560725
_shelx_shelxl_version_number     2018/1
_shelx_estimated_absorpt_t_min   0.892
_shelx_estimated_absorpt_t_max   0.944
_shelx_res_checksum              29526