Complexes of germanium(iv) fluoride with phosphane ligands: structural and spectroscopic authentication of germanium(iv) phosphane complexes
Davis, Martin F.; Levason, William; Reid, Gillian; Webster, Michael; Dalton Transactions  (2008) 2261–2269; doi:10.1039/b716765b

data_7003519
_publ_section_title
;
 Complexes of germanium(iv) fluoride with phosphane ligands: structural
 and spectroscopic authentication of germanium(iv) phosphane complexes
;
_journal_issue                   17
_journal_name_full               'Dalton Transactions'
_journal_page_first              2261
_journal_page_last               2269
_journal_paper_doi               10.1039/b716765b
_journal_year                    2008
_chemical_formula_moiety         'C12 H30 As2 Cl4 Ge'
_chemical_formula_sum            'C12 H30 As2 Cl4 Ge'
_chemical_formula_weight         538.59
_chemical_name_common
trans-tetrachloridobis(triethylarsane)germanium(IV)
_chemical_name_systematic
;
trans-tetrachloridobis(triethylarsane)germanium(IV)
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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             2007-08-19
_audit_creation_method           'SHELXL-97 + hand edit'
_cell_angle_alpha                90.00
_cell_angle_beta                 93.721(15)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.849(2)
_cell_length_b                   13.643(4)
_cell_length_c                   9.537(3)
_cell_measurement_reflns_used    13122
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     1019.1(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0792
_diffrn_reflns_av_sigmaI/netI    0.0794
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            9942
_diffrn_reflns_theta_full        27.57
_diffrn_reflns_theta_max         27.57
_diffrn_reflns_theta_min         3.26
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.238
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7130
_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    1.755
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             536
_exptl_crystal_size_max          0.06
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.001
_refine_diff_density_min         -0.808
_refine_diff_density_rms         0.221
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.212
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     91
_refine_ls_number_reflns         2340
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.212
_refine_ls_R_factor_all          0.1137
_refine_ls_R_factor_gt           0.0672
_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^+9.8379P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1095
_refine_ls_wR_factor_ref         0.1259
_reflns_number_gt                1660
_reflns_number_total             2340
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            b716765b.txt
_cod_data_source_block           07mfd015_[C12H30As2Cl4Ge]
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7003519