Strikingly diverse reactivity of structurally identical silylene and stannylene
Parvin, Nasrina; Dasgupta, Rajarshi; Pal, Shiv; Sen, Sakya Singha; Khan, Shabana; Dalton Transactions 46 (2017) 6528–6532; doi:10.1039/C7DT01055A

data_7042745
_publ_section_title
;
 Strikingly diverse reactivity of structurally identical silylene and stannylene
;
_journal_coden_ASTM              DTARAF
_journal_issue                   20
_journal_name_full               'Dalton Transactions'
_journal_page_first              6528
_journal_page_last               6532
_journal_paper_doi               10.1039/C7DT01055A
_journal_volume                  46
_journal_year                    2017
_chemical_formula_sum            'C49 H89 Br2 Cu2 N6 Si6'
_chemical_formula_weight         1217.70
_chemical_properties_physical
Air-sensitive,Moisture-sensitive,Oxygen-sensitive
_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_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2016-04-15 deposited with the CCDC.
2017-04-20 downloaded from the CCDC.
;
_cell_angle_alpha                85.486(2)
_cell_angle_beta                 72.999(2)
_cell_angle_gamma                75.928(2)
_cell_formula_units_Z            2
_cell_length_a                   11.0391(10)
_cell_length_b                   16.2036(16)
_cell_length_c                   18.0379(16)
_cell_measurement_reflns_used    9917
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      22.81
_cell_measurement_theta_min      2.59
_cell_volume                     2992.8(5)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART X2S benchtop diffractometer'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1600
_diffrn_reflns_av_unetI/netI     0.1316
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            64740
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.250
_diffrn_reflns_theta_min         2.114
_exptl_absorpt_coefficient_mu    2.202
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Sheldrick,G.M.(2012) SADABS.Bruker AXS Inc.,Madison,Wisconsin, USA.'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.351
_exptl_crystal_description       block
_exptl_crystal_F_000             1274
_exptl_crystal_preparation       Luminescent
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_exptl_transmission_factor_max   0.7457
_exptl_transmission_factor_min   0.5421
_refine_diff_density_max         1.843
_refine_diff_density_min         -0.766
_refine_diff_density_rms         0.135
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     610
_refine_ls_number_reflns         10828
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.1368
_refine_ls_R_factor_gt           0.0650
_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^)+(0.0311P)^2^+21.7570P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1310
_refine_ls_wR_factor_ref         0.1546
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6450
_reflns_number_total             10828
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7dt01055a2.cif
_cod_data_source_block           mo_NP_66A_0m_a
_cod_database_code               7042745
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              13770