Synthesis of the first fluoro(phosphanyl)- and diphosphanyl-stannanes and surprising formation of [P(SnMe3)4]+SiF5-
Driess, Matthias; Merz, Klaus; Monsé, Christian; Chemical Communications (Cambridge, United Kingdom)  (2003) 2608–2609; doi:10.1039/b308660g

data_7104855
_publ_section_title
;
 Synthesis of the first fluoro(phosphanyl)- and diphosphanyl-stannanes
 and surprising formation of [P(SnMe3)4]+SiF5-
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   20
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              2608
_journal_page_last               2609
_journal_paper_doi               10.1039/b308660g
_journal_year                    2003
_chemical_formula_sum            'C30 H50 P2 Sn'
_chemical_formula_weight         591.33
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                105.176(17)
_cell_angle_beta                 96.941(15)
_cell_angle_gamma                93.621(13)
_cell_formula_units_Z            2
_cell_length_a                   9.8122(18)
_cell_length_b                   10.394(2)
_cell_length_c                   16.662(4)
_cell_measurement_reflns_used    36
_cell_measurement_temperature    203(2)
_cell_measurement_theta_max      16.2
_cell_measurement_theta_min      3.5
_cell_volume                     1620.1(6)
_computing_cell_refinement       'SAINT (Siemens, 1996)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        'SAINT (Siemens, 1996)'
_computing_molecular_graphics    'SHELXTL (Siemens, 1996)'
_computing_publication_material  'SHELXTL (Siemens, 1996)'
_computing_structure_refinement  'SHELXTL (Siemens, 1996)'
_computing_structure_solution    'SHELXTL (Siemens, 1996)'
_diffrn_ambient_temperature      203(2)
_diffrn_measured_fraction_theta_full 0.754
_diffrn_measured_fraction_theta_max 0.686
_diffrn_measurement_device_type  'Bruker axs CCD 1000'
_diffrn_measurement_method       omega-scan
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0201
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            3999
_diffrn_reflns_theta_full        22.50
_diffrn_reflns_theta_max         25.17
_diffrn_reflns_theta_min         2.04
_exptl_absorpt_coefficient_mu    0.902
_exptl_absorpt_correction_T_max  0.7342
_exptl_absorpt_correction_T_min  0.6549
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.212
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             620
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.046
_refine_diff_density_min         -1.171
_refine_diff_density_rms         0.160
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.148
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         3999
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.148
_refine_ls_R_factor_all          0.0519
_refine_ls_R_factor_gt           0.0458
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
calc w=1/[\s^2^(Fo^2^)+(0.1222P)^2^+0.5072P] where
P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1423
_refine_ls_wR_factor_ref         0.1594
_reflns_number_gt                3609
_reflns_number_total             3999
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b308660g.txt
_cod_data_source_block           p-1
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7104855