Reactivity Studies of Heteroleptic Silylenes with N2O
Azhakar, Ramachandran; Pröpper, Kevin; Dittrich, Birger; Roesky, Herbert W.; Organometallics 31 (2012) 7586–; doi:10.1021/om3008794

data_4079607
_publ_section_title
;
 Reactivity Studies of Heteroleptic Silylenes with N2O
;
_journal_issue                   21
_journal_name_full               Organometallics
_journal_page_first              7586
_journal_paper_doi               10.1021/om3008794
_journal_volume                  31
_journal_year                    2012
_chemical_formula_moiety         'C38 H64 N4 O4 Si2'
_chemical_formula_sum            'C38 H64 N4 O4 Si2'
_chemical_formula_weight         697.11
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.3500(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            12
_cell_length_a                   17.9505(3)
_cell_length_b                   10.5143(2)
_cell_length_c                   61.5855(12)
_cell_measurement_reflns_used    9551
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      143.337
_cell_measurement_theta_min      8.615
_cell_volume                     11623.2(4)
_computing_cell_refinement       'SAINT (Bruker 2009)'
_computing_data_collection       'APEX2 (Bruker 2009)'
_computing_data_reduction        'SAINT (Bruker 2009)'
_computing_molecular_graphics    'SHELXTL (Bruker 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2012)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0514
_diffrn_reflns_av_sigmaI/netI    0.0235
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       71
_diffrn_reflns_limit_l_min       -75
_diffrn_reflns_number            129810
_diffrn_reflns_theta_full        72.33
_diffrn_reflns_theta_max         72.33
_diffrn_reflns_theta_min         1.43
_exptl_absorpt_coefficient_mu    1.167
_exptl_absorpt_correction_T_max  0.7536
_exptl_absorpt_correction_T_min  0.6733
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2009)'
_exptl_crystal_density_diffrn    1.195
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             4560
_exptl_crystal_size_max          0.02
_exptl_crystal_size_mid          0.01
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.275
_refine_diff_density_min         -0.302
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     749
_refine_ls_number_reflns         11360
_refine_ls_number_restraints     97
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0414
_refine_ls_R_factor_gt           0.0363
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0407P)^2^+11.5696P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0868
_refine_ls_wR_factor_ref         0.0909
_reflns_number_gt                10381
_reflns_number_total             11360
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om3008794_si_002.cif
_cod_data_source_block           105
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4079607