Unexpected Disproportionation of Tetramethylethylenediamine-Supported Perchlorodisilane Cl3SiSiCl3
Jan Tillmann; Frank Meyer-Wegner; Andor Nadj; Johanna Becker-Baldus; Tanja Sinke; Michael Bolte; Max C. Holthausen; Matthias Wagner; Hans-Wolfram Lerner; Inorganic Chemistry 51 (2012) 8599–8606; doi:10.1021/ic301283m

data_4329961
_publ_section_title
;
 Unexpected Disproportionation of Tetramethylethylenediamine-Supported
 Perchlorodisilane Cl3SiSiCl3
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8599
_journal_page_last               8606
_journal_paper_doi               10.1021/ic301283m
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         'Cl16 Si8, 2(C7 H19 N2), 2(Cl)'
_chemical_formula_sum            'C14 H38 Cl18 N4 Si8'
_chemical_formula_weight         1125.30
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 91.806(14)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.382(2)
_cell_length_b                   18.150(2)
_cell_length_c                   20.566(3)
_cell_measurement_reflns_used    12884
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.75
_cell_measurement_theta_min      3.44
_cell_volume                     4619.6(11)
_computing_cell_refinement       'X-Area (Stoe & Cie, 2001)'
_computing_data_collection       'X-Area (Stoe & Cie, 2001)'
_computing_data_reduction        'X-Area (Stoe & Cie, 2001)'
_computing_molecular_graphics    'XP in SHELXTL-Plus (Sheldrick, 2008)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'STOE IPDS II two-circle-diffractometer'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1282
_diffrn_reflns_av_sigmaI/netI    0.2151
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            48470
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.78
_diffrn_reflns_theta_min         3.45
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.294
_exptl_absorpt_correction_T_max  0.9746
_exptl_absorpt_correction_T_min  0.8815
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'X-Area (Stoe & Cie, 2001)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.618
_exptl_crystal_description       block
_exptl_crystal_F_000             2272
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.111
_refine_diff_density_min         -0.484
_refine_diff_density_rms         0.137
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     391
_refine_ls_number_reflns         8681
_refine_ls_number_restraints     57
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.2174
_refine_ls_R_factor_gt           0.1128
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0633P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1906
_refine_ls_wR_factor_ref         0.2277
_reflns_number_gt                4065
_reflns_number_total             8681
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic301283m_si_001_1.cif
_cod_data_source_block           wa1421
_cod_database_code               4329961