Phosphine and Diphosphine Complexes of Silicon(IV) Halides
William Levason; David Pugh; Gillian Reid; Inorganic Chemistry 52 (2013) 5185–5193; doi:10.1021/ic400077z

data_4334666
_publ_contact_author_address
;   School of Chemistry
    University of Southampton
    Southampton SO17 1BJ, UK
;
_publ_contact_author_email       wxl@soton.ac.uk
_publ_contact_author_fax         '023 8059 3781'
_publ_contact_author_name        'Professor William Levason'
_publ_contact_author_phone       '023 8059 3792'
_publ_section_title
;
 Phosphine and Diphosphine Complexes of Silicon(IV) Halides
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5185
_journal_page_last               5193
_journal_paper_doi               10.1021/ic400077z
_journal_volume                  52
_journal_year                    2013
_chemical_formula_moiety         '2(C10 H16 Br4 P2 Si), C H2 Cl2'
_chemical_formula_sum            'C21 H34 Br8 Cl2 P4 Si2'
_chemical_formula_weight         1176.72
_chemical_name_systematic
; 
 tetrabromo(1,2-bis(dimethylphosphanyl)benzene-P,P')silicon(IV)
 dichloromethane solvate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 101.940(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.871(2)
_cell_length_b                   16.284(6)
_cell_length_c                   16.590(6)
_cell_measurement_reflns_used    4227
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.4
_cell_measurement_theta_min      2.5
_cell_volume                     1816.1(11)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.0 r13 (Rigaku, 2011)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.0 r13 (Rigaku, 2011)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.0 r13 (Rigaku, 2011)
;
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material
'PLATON (Spek, 2003), WinGX (Farrugia, 1999) and enCIFer (Allen et al., 2004).'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 CCD
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device
;
AFC12 (Right): Kappa 3 circle
;
_diffrn_measurement_device_type
;
Rigaku Saturn724+ (2x2 bin mode)
;
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support Mitegen
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0271
_diffrn_reflns_av_sigmaI/netI    0.0497
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            6976
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         3.03
_diffrn_source                   'Rotating Anode'
_diffrn_source_current           55.0
_diffrn_source_power             2.5
_diffrn_source_voltage           45.0
_exptl_absorpt_coefficient_mu    9.237
_exptl_absorpt_correction_T_max  0.9133
_exptl_absorpt_correction_T_min  0.3027
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear-SM Expert 2.0 r13 (Rigaku, 2011)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.152
_exptl_crystal_description       needle
_exptl_crystal_F_000             1124
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.01
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.629
_refine_diff_density_min         -0.576
_refine_diff_density_rms         0.120
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     186
_refine_ls_number_reflns         3251
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0328
_refine_ls_R_factor_gt           0.0299
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0213P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0513
_refine_ls_wR_factor_ref         0.0523
_reflns_number_gt                3086
_reflns_number_total             3251
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic400077z_si_002_09.cif
_cod_data_source_block           Compound_8
_cod_original_cell_volume        1816.2(10)
_cod_database_code               4334666