Vicinal diphosphoniums: electrostatic repulsion under covalent constraint
Abdalilah, Mohammed; Zurawinski, Remigiuz; Canac, Yves; Laleu, Benoît; Lacour, Jérôme; Lepetit, Christine; Magro, Germinal; Bernardinelli, Gérald; Donnadieu, Bruno; Duhayon, Carine; Mikolajczyk, Marian; Chauvin, Remi; Dalton Transactions  (2009) 8493–8508; doi:10.1039/b903933c

data_7002429
_publ_section_title
;
 Vicinal diphosphoniums: electrostatic repulsion under covalent
 constraint
;
_journal_issue                   40
_journal_name_full               'Dalton Transactions'
_journal_page_first              8493
_journal_page_last               8508
_journal_paper_doi               10.1039/b903933c
_journal_year                    2009
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C32 H29 O P2, C4 H8 O, F6 P'
_chemical_formula_sum            'C36 H37 F6 O2 P3'
_chemical_formula_weight         708.57
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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
_cell_angle_alpha                110.218(5)
_cell_angle_beta                 113.218(5)
_cell_angle_gamma                91.949(5)
_cell_formula_units_Z            2
_cell_length_a                   11.474(5)
_cell_length_b                   12.913(5)
_cell_length_c                   13.705(5)
_cell_measurement_reflns_used    8000
_cell_measurement_temperature    180
_cell_measurement_theta_max      26.05
_cell_measurement_theta_min      1.65
_cell_measurement_wavelength     0.71073
_cell_volume                     1716.7(12)
_computing_cell_refinement       'Stoe IPDS software (Stoe, 1996)'
_computing_data_collection       'Stoe IPDS software (Stoe, 1996)'
_computing_data_reduction        'XRED (Stoe, 1.08, 1996)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      180
_diffrn_measured_fraction_theta_full 0.916
_diffrn_measured_fraction_theta_max 0.916
_diffrn_measurement_device       'Stoe IPDS'
_diffrn_measurement_method       \f
_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  0.0395
_diffrn_reflns_av_unetI/netI     0.046
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            17048
_diffrn_reflns_theta_full        26.17
_diffrn_reflns_theta_max         26.17
_diffrn_reflns_theta_min         2.34
_diffrn_standards_decay_%        0.1
_diffrn_standards_interval_time  4
_diffrn_standards_number         200
_exptl_absorpt_coefficient_mu    0.238
_exptl_absorpt_correction_T_max  0.951
_exptl_absorpt_correction_T_min  0.918
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
;
(See: Walker, N. & Stuart, D. (1983) Acta Cryst. A39, 158-166)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.371
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             736
_exptl_crystal_size_max          0.375
_exptl_crystal_size_mid          0.375
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.616
_refine_diff_density_min         -0.442
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     421
_refine_ls_number_reflns         6294
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0828
_refine_ls_R_factor_gt           0.0558
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1015P)^2^+0.1144P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.151
_refine_ls_wR_factor_ref         0.1656
_reflns_number_gt                4325
_reflns_number_total             6294
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b903933c.txt
_cod_data_source_block           compound13
_cod_database_code               7002429