2,3-Diphosphino-1,4-diphosphonium Ions
Yuen-ying Carpenter; C. Adam Dyker; Neil Burford; Michael D. Lumsden; Andreas Decken; Journal of the American Chemical Society 130 (2008) 15732–15741; doi:10.1021/ja805911a

data_4108685
_publ_contact_author_address
;Department of Chemistry
University of New Brunswick
Fredericton, NB
E3B 6E2
Canada
;
_publ_contact_author_email       adecken@unb.ca
_publ_contact_author_fax         '(506) 453-4981'
_publ_contact_author_name        'Andreas Decken'
_publ_contact_author_phone       '(506) 453-4875'
_publ_section_title
;
 2,3-Diphosphino-1,4-diphosphonium Ions
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15732
_journal_page_last               15741
_journal_paper_doi               10.1021/ja805911a
_journal_volume                  130
_journal_year                    2008
_chemical_formula_moiety         'C38 H36 P4, 2(C F3 O3 S)'
_chemical_formula_sum            'C40 H36 F6 O6 P4 S2'
_chemical_formula_weight         914.69
_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                 96.807(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.761(5)
_cell_length_b                   27.114(17)
_cell_length_c                   17.578(11)
_cell_measurement_reflns_used    9450
_cell_measurement_temperature    173(1)
_cell_measurement_theta_max      28.1315
_cell_measurement_theta_min      2.334
_cell_volume                     4146(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(1)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'Bruker AXS SMART1000/P4'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0583
_diffrn_reflns_av_sigmaI/netI    0.0775
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            27998
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.39
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              K760
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.356
_exptl_absorpt_correction_T_max  0.9653
_exptl_absorpt_correction_T_min  0.8562
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2004)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.465
_exptl_crystal_description       Rod
_exptl_crystal_F_000             1880
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.457
_refine_diff_density_min         -0.359
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.007
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     525
_refine_ls_number_reflns         9274
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.007
_refine_ls_R_factor_all          0.1051
_refine_ls_R_factor_gt           0.0460
_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^)+(0.0468P)^2^+0.3580P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0963
_refine_ls_wR_factor_ref         0.1070
_reflns_number_gt                5674
_reflns_number_total             9274
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja805911a_si_001_60481.cif
_cod_data_source_block           nb060481
_cod_original_sg_symbol_Hall     '-P 2ybc '
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4108685