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_7021857
_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_formula_moiety         'C25 H22 F4 Ge O2 P2, C H2 Cl2'
_chemical_formula_sum            'C26 H24 Cl2 F4 Ge O2 P2'
_chemical_formula_weight         649.88
_chemical_name_systematic
;
tetrafluoro(bis(diphenylphosphino)methane dioxide)germanium(IV)
dichloromethane solvate
;
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_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_date             2010-03-20
_audit_creation_method           'SHELXL-97 + hand edit'
_cell_angle_alpha                90.00
_cell_angle_beta                 92.748(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.870(3)
_cell_length_b                   13.779(3)
_cell_length_c                   15.830(3)
_cell_measurement_reflns_used    6449
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     2804.0(10)
_computing_cell_refinement       'DENZO (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction        'DENZO (Otwinowski & Minor, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.1214
_diffrn_reflns_av_sigmaI/netI    0.1055
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            26962
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.96
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.447
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.3720
_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    1.539
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1312
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.120
_refine_diff_density_min         -1.076
_refine_diff_density_rms         0.138
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.116
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     344
_refine_ls_number_reflns         5479
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.125
_refine_ls_R_factor_all          0.1540
_refine_ls_R_factor_gt           0.0963
_refine_ls_shift/su_max          0.000
_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^+28.2000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1607
_refine_ls_wR_factor_ref         0.1861
_reflns_number_gt                3667
_reflns_number_total             5479
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            c0dt01115k.txt
_cod_data_source_block           09wz1101
_cod_depositor_comments
'Adding full bibliography for 7021854--7021860.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7021857