Organotin(IV) compounds catalyzed cyanide-free synthesis of α-iminonitriles.
Kumar, Manish; Chakraborty, Sudipta; Nayek, Hari Pada; Dalton transactions (Cambridge, England : 2003) 54 (2025) 8470–8482; doi:10.1039/d5dt00492f

data_7719042
_publ_section_title
;
 Organotin(IV) compounds catalyzed cyanide-free synthesis of
 &#x3b1;-iminonitriles.
;
_journal_issue                   21
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8470
_journal_page_last               8482
_journal_paper_doi               10.1039/d5dt00492f
_journal_volume                  54
_journal_year                    2025
_chemical_formula_moiety         'C25 H35 N O2 Sn'
_chemical_formula_sum            'C25 H35 N O2 Sn'
_chemical_formula_weight         500.23
_chemical_name_systematic        mk274
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2024-11-11
_audit_creation_method
;
Olex2 1.2-ac3
(compiled 2016.08.26 svn.r3337 for Rigaku Oxford Diffraction, GUI svn.r5221)
;
_audit_update_record
;
2025-02-04 deposited with the CCDC.	2025-04-14 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 102.466(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.9532(10)
_cell_length_b                   15.9174(13)
_cell_length_c                   13.4347(9)
_cell_measurement_reflns_used    5210
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.2480
_cell_measurement_theta_min      2.9900
_cell_volume                     2495.9(3)
_computing_cell_refinement       'CrysAlisPro 1.171.40.69a (Rigaku OD, 2020)'
_computing_data_collection       'CrysAlisPro 1.171.40.69a (Rigaku OD, 2020)'
_computing_data_reduction        'CrysAlisPro 1.171.40.69a (Rigaku OD, 2020)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SIR2004 (Burla et al., 2007)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.0303
_diffrn_detector_type            EosS2
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w     -5.00  77.00   1.00    3.18    --   14.69  19.00  90.00   82
  2  \w    -84.00  -2.00   1.00    3.18    --  -16.80 -57.00-120.00   82
  3  \w    -19.00   8.00   1.00    3.18    --  -16.80 -77.00 150.00   27
  4  \w    -25.00  10.00   1.00    3.18    --  -16.80 -77.00  30.00   35
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Single source at offset/far, EosS2'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0088232000
_diffrn_orient_matrix_UB_12      0.0430813000
_diffrn_orient_matrix_UB_13      0.0125129000
_diffrn_orient_matrix_UB_21      -0.0418546000
_diffrn_orient_matrix_UB_22      -0.0021852000
_diffrn_orient_matrix_UB_23      0.0302034000
_diffrn_orient_matrix_UB_31      0.0431894000
_diffrn_orient_matrix_UB_32      -0.0109287000
_diffrn_orient_matrix_UB_33      0.0431432000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0289
_diffrn_reflns_av_unetI/netI     0.0446
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.982
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            12119
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.982
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         27.000
_diffrn_reflns_theta_min         2.012
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    1.042
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.47469
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.69a (Rigaku Oxford Diffraction, 2020)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'metallic reddish red'
_exptl_crystal_colour_lustre     metallic
_exptl_crystal_colour_modifier   reddish
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.331
_exptl_crystal_description       block
_exptl_crystal_F_000             1032
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.11
_refine_diff_density_max         1.720
_refine_diff_density_min         -1.576
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         5363
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0691
_refine_ls_R_factor_gt           0.0539
_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^)+(0.0710P)^2^+4.1185P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1382
_refine_ls_wR_factor_ref         0.1465
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4246
_reflns_number_total             5363
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt00492f2.cif
_cod_data_source_block           2
_cod_database_code               7719042
_chemical_oxdiff_formula         'C H N O Sn'
_diffrn_oxdiff_digest_frames
;
01dd0166f4abbdbf80a50e10040473e671000299a1e
;
_diffrn_oxdiff_digest_hkl
;
010d8e69a8bf0a5c216047ff0b2c99968238cd
;
_reflns_odcompleteness_completeness 99.91
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Uiso/Uaniso restraints and constraints
Uanis(C14) = Uanis(C17)
Uanis(C15) = Uanis(C16)
Uanis(C22) = Uanis(C23)
3.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5), C7(H7), C9(H9), C11(H11), C12(H12)
3.b Idealised Me refined as rotating group:
 C15(H15A,H15B,H15C), C16(H16A,H16B,H16C), C17(H17A,H17B,H17C), C19(H19A,H19B,
 H19C), C20(H20A,H20B,H20C), C21(H21A,H21B,H21C), C23(H23A,H23B,H23C), C24(H24A,
 H24B,H24C), C25(H25A,H25B,H25C)
;
_shelx_shelxl_version_number     2014/7
_olex2_submission_original_sample_id mk274
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 2.155
_oxdiff_exptl_absorpt_empirical_full_min 0.590