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_4073945
_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            'C24 H72 Si12'
_chemical_formula_weight         697.90
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                88.72(3)
_cell_angle_beta                 84.71(3)
_cell_angle_gamma                76.88(3)
_cell_formula_units_Z            2
_cell_length_a                   9.2140(18)
_cell_length_b                   14.738(3)
_cell_length_c                   16.797(3)
_cell_measurement_temperature    100(2)
_cell_volume                     2212.0(8)
_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 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0478
_diffrn_reflns_av_sigmaI/netI    0.0675
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            14078
_diffrn_reflns_theta_full        24.00
_diffrn_reflns_theta_max         24.00
_diffrn_reflns_theta_min         1.22
_exptl_absorpt_coefficient_mu    0.365
_exptl_absorpt_correction_T_max  0.9305
_exptl_absorpt_correction_T_min  0.8828
_exptl_absorpt_correction_type   SADABS
_exptl_absorpt_process_details   XPREP
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.048
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.958
_refine_diff_density_min         -0.713
_refine_diff_density_rms         0.115
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.309
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     384
_refine_ls_number_reflns         6878
_refine_ls_number_restraints     30
_refine_ls_restrained_S_all      1.309
_refine_ls_R_factor_all          0.1282
_refine_ls_R_factor_gt           0.1174
_refine_ls_shift/su_max          0.055
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0547P)^2^+15.8317P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2436
_refine_ls_wR_factor_ref         0.2490
_reflns_number_gt                6282
_reflns_number_total             6878
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om7007524-file001.cif
_cod_data_source_block           19_480j
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 
;
_cod_original_cell_volume        2212.0(7)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4073945