Stannylene cyanide and its use as a cyanosilylation catalyst.
Singh, Vivek Kumar; Joshi, Prakash Chandra; Kumar, Hemant; Siwatch, Rahul Kumar; Jha, Chandan Kumar; Nagendran, Selvarajan; Dalton transactions (Cambridge, England : 2003) 51 (2022) 16906–16914; doi:10.1039/d2dt02721f

data_7711799
_publ_section_title
;
 Stannylene cyanide and its use as a cyanosilylation catalyst.
;
_journal_issue                   44
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              16906
_journal_page_last               16914
_journal_paper_doi               10.1039/d2dt02721f
_journal_volume                  51
_journal_year                    2022
_chemical_formula_moiety         'C21 H41 N3 Si2 Sn'
_chemical_formula_sum            'C21 H41 N3 Si2 Sn'
_chemical_formula_weight         510.461
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_Int_Tables_number      2
_audit_creation_date             2021-06-25
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6272)
;
_audit_update_record
;
2022-03-11 deposited with the CCDC.	2022-10-05 downloaded from the CCDC.
;
_cell_angle_alpha                96.817(3)
_cell_angle_beta                 105.219(2)
_cell_angle_gamma                107.753(2)
_cell_formula_units_Z            2
_cell_length_a                   8.6894(4)
_cell_length_b                   11.1113(5)
_cell_length_c                   15.0434(7)
_cell_measurement_reflns_used    9977
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.27
_cell_measurement_theta_min      2.54
_cell_volume                     1303.18(11)
_computing_cell_refinement       'SAINT V8.40A (Bruker, 2019)'
_computing_data_reduction        'SAINT V8.40A (Bruker, 2019)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'olex2.refine 1.3 (Bourhis et al., 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100.0
_diffrn_measured_fraction_theta_full 0.9994
_diffrn_measured_fraction_theta_max 0.9960
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0387
_diffrn_reflns_av_unetI/netI     0.0279
_diffrn_reflns_Laue_measured_fraction_full 0.9994
_diffrn_reflns_Laue_measured_fraction_max 0.9960
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            33549
_diffrn_reflns_point_group_measured_fraction_full 0.9994
_diffrn_reflns_point_group_measured_fraction_max 0.9960
_diffrn_reflns_theta_full        25.2417
_diffrn_reflns_theta_max         28.34
_diffrn_reflns_theta_min         1.97
_diffrn_source_current           1.0
_diffrn_source_power             0.05
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.083
_exptl_absorpt_correction_T_max  0.823
_exptl_absorpt_correction_T_min  0.739
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0952 before and 0.0536 after correction.
The Ratio of minimum to maximum transmission is 0.8270.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.301
_exptl_crystal_description       block
_exptl_crystal_F_000             532.0
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.6988
_refine_diff_density_min         -0.6799
_refine_diff_density_rms         0.0853
_refine_ls_d_res_high            0.7486
_refine_ls_d_res_low             10.3318
_refine_ls_goodness_of_fit_ref   1.0547
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    60
_refine_ls_number_parameters     254
_refine_ls_number_reflns         6500
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.0547
_refine_ls_R_factor_all          0.0304
_refine_ls_R_factor_gt           0.0257
_refine_ls_shift/su_max          0.0009
_refine_ls_shift/su_mean         0.0001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0224P)^2^+1.2228P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0602
_refine_ls_wR_factor_ref         0.0631
_reflns_Friedel_coverage         0.0
_reflns_limit_h_max              11
_reflns_limit_h_min              -11
_reflns_limit_k_max              14
_reflns_limit_k_min              -14
_reflns_limit_l_max              20
_reflns_limit_l_min              0
_reflns_number_gt                5915
_reflns_number_total             6526
_reflns_threshold_expression     I>=2u(I)
_cod_data_source_file            d2dt02721f2.cif
_cod_data_source_block           VS107_SNNTMS_0m_a
_cod_database_code               7711799
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C13(H13), C9(H9)
2.b Secondary CH2 refined with riding coordinates:
 C8(H8a,H8b), C12(H12a,H12b)
2.c Aromatic/amide H refined with riding coordinates:
 C6(H6), C5(H5), C4(H4), C2(H2), C3(H3)
2.d Idealised Me refined as rotating group:
 C17(H17a,H17b,H17c), C20(H20a,H20b,H20c), C14(H14a,H14b,H14c), C16(H16a,H16b,
 H16c), C10(H10a,H10b,H10c), C15(H15a,H15b,H15c), C18(H18a,H18b,H18c), C11(H11a,
 H11b,H11c), C19(H19a,H19b,H19c), C21(H21a,H21b,H21c)
;
_olex2_submission_special_instructions 'No special instructions were received'