Different fluoride anion sources and (trifluoromethyl)trimethylsilane: molecular structure of tris(dimethylamino)sulfonium bis(trifluoromethyl)trimethylsiliconate, the first isolated pentacoordinate silicon species with five Si‒C bonds
Kolomeitsev, Alexander; Movchun, Valery; Rusanov, Eduard; Bissky, German; Lork, Enno; Röschenthaler, Gerd-Volker; Kirsch, Peer; Chemical Communications  (1999) 1017–; doi:10.1039/a901953g

data_7110530
_publ_section_title
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 Different fluoride anion sources and (trifluoromethyl)trimethylsilane:
 molecular structure of tris(dimethylamino)sulfonium
 bis(trifluoromethyl)trimethylsiliconate, the first isolated
 pentacoordinate silicon species with five Si--C bonds
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_journal_issue                   11
_journal_name_full               'Chemical Communications'
_journal_page_first              1017
_journal_paper_doi               10.1039/a901953g
_journal_year                    1999
_chemical_formula_sum            'C11 H27 F6 N3 S Si'
_chemical_formula_weight         375.51
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           11
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 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                 105.260(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.698(2)
_cell_length_b                   11.321(2)
_cell_length_c                   11.356(2)
_cell_measurement_reflns_used    26
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      14.547
_cell_measurement_theta_min      3.604
_cell_volume                     954.8(3)
_computing_cell_refinement       'Siemens XSCANS'
_computing_data_collection       'Siemens XSCANS'
_computing_data_reduction        'Siemens XSCANS'
_computing_molecular_graphics    'Siemens SHELXTL'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Siemens P4'
_diffrn_measurement_method       '2\q/\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0672
_diffrn_reflns_av_sigmaI/netI    0.0563
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            6512
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.59
_diffrn_standards_decay_%        'random variation +/-2.0'
_diffrn_standards_interval_count 197
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.283
_exptl_absorpt_correction_T_max  0.9722
_exptl_absorpt_correction_T_min  0.8713
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.306
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             396
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.264
_refine_diff_density_min         -0.244
_refine_diff_density_rms         0.054
_refine_ls_extinction_coef       0.0103(18)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    refU
_refine_ls_matrix_type           full
_refine_ls_number_parameters     120
_refine_ls_number_reflns         1775
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0774
_refine_ls_R_factor_gt           0.0476
_refine_ls_shift/su_max          0.012
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0345P)^2^+0.7269P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1002
_refine_ls_wR_factor_ref         0.1157
_reflns_number_gt                1279
_reflns_number_total             1775
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            901953gsup1.cif
_cod_data_source_block           gb2
_cod_depositor_comments
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The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 
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_cod_original_sg_symbol_H-M      P2(1)/m
_cod_database_code               7110530