Hypervalent neutral O-donor ligand complexes of silicon tetrafluoride, comparisons with other group 14 tetrafluorides and a search for soft donor ligand complexes.
George, Kathryn; Hector, Andrew L.; Levason, William; Reid, Gillian; Sanderson, George; Webster, Michael; Zhang, Wenjian; Dalton transactions (Cambridge, England : 2003) 40 (2011) 1584–1593; doi:10.1039/c0dt01115k

data_7021859
_publ_section_title
;
 Hypervalent neutral O-donor ligand complexes of silicon tetrafluoride,
 comparisons with other group 14 tetrafluorides and a search for soft
 donor ligand complexes.
;
_journal_issue                   7
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1584
_journal_page_last               1593
_journal_paper_doi               10.1039/c0dt01115k
_journal_volume                  40
_journal_year                    2011
_chemical_absolute_configuration ad
_chemical_formula_moiety         '2(C3 H10 As O 1+), F6 Si 2-'
_chemical_formula_sum            'C6 H20 As2 F6 O2 Si'
_chemical_formula_weight         416.15
_chemical_name_systematic
;
Bis(trimethylhydroxoarsonium) hexafluoridosilicate(IV)
;
_space_group_IT_number           78
_space_group_name_Hall           'P 4cw'
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4cw'
_symmetry_space_group_name_H-M   'P 43'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2008-09-02
_audit_creation_method           'SHELXL-97 + hand edit'
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.9450(5)
_cell_length_b                   7.9450(5)
_cell_length_c                   22.347(3)
_cell_measurement_reflns_used    1576
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     1410.6(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker-Nonius 95mm CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  '10cm confocal mirrors'
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0371
_diffrn_reflns_av_sigmaI/netI    0.0437
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            8762
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.15
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.879
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8142
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'G.M. Sheldrick, (2007). SADABS. Version 2007/2. Bruker AXS Inc.'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.960
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.773
_refine_diff_density_min         -0.540
_refine_diff_density_rms         0.121
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.307(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.114
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     167
_refine_ls_number_reflns         2712
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.114
_refine_ls_R_factor_all          0.0412
_refine_ls_R_factor_gt           0.0368
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+6.0330P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0793
_refine_ls_wR_factor_ref         0.0813
_reflns_number_gt                2536
_reflns_number_total             2712
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            c0dt01115k.txt
_cod_data_source_block           08wz801
_cod_depositor_comments
'Adding full bibliography for 7021854--7021860.cif.'
_cod_database_code               7021859