Rearrangement of Cyclic Silanes with Aluminum Trichloride
Wagner, Harald; Wallner, Andreas; Fischer, Jelena; Flock, Michaela; Baumgartner, Judith; Marschner, Christoph; Organometallics 26 (2007) 6704–; doi:10.1021/om7007524

data_4073942
_publ_section_title
;
 Rearrangement of Cyclic Silanes with Aluminum Trichloride
;
_journal_issue                   27
_journal_name_full               Organometallics
_journal_page_first              6704
_journal_paper_doi               10.1021/om7007524
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C14 H42 Si7'
_chemical_formula_weight         407.10
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 117.18(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.458(3)
_cell_length_b                   10.881(2)
_cell_length_c                   16.485(3)
_cell_measurement_temperature    100(2)
_cell_volume                     2626.1(11)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w scans'
_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  0.0573
_diffrn_reflns_av_sigmaI/netI    0.0916
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            10481
_diffrn_reflns_theta_full        26.36
_diffrn_reflns_theta_max         26.36
_diffrn_reflns_theta_min         1.39
_exptl_absorpt_coefficient_mu    0.359
_exptl_absorpt_correction_T_max  0.9481
_exptl_absorpt_correction_T_min  0.8697
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.030
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.645
_refine_diff_density_min         -0.362
_refine_diff_density_rms         0.083
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.2(2)
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     205
_refine_ls_number_reflns         5266
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0701
_refine_ls_R_factor_gt           0.0561
_refine_ls_shift/su_max          0.034
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0504P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1113
_refine_ls_wR_factor_ref         0.1181
_reflns_number_gt                4447
_reflns_number_total             5266
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om7007524-file001.cif
_cod_data_source_block           13_248
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

2022-02-21
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_cell_volume        2626.0(9)
_cod_original_sg_symbol_H-M      C2
_cod_original_formula_sum        'C28 H84 Si14'
_cod_original_formula_units_Z    2
_cod_original_formula_weight     814.21
_cod_database_code               4073942