Facile Transformations of a 1,3,5-Triphosphacyclohexadienyl Anion within the Coordination Sphere of Group 13 and 14 Elements: Synthesis of 1,3-Diphosphacyclopentadienyl Complexes and Phosphaorganometallic Cage Compounds
Brym, Markus; Francis, Matthew D.; Jin, Guoxia; Jones, Cameron; Mills, David P.; Stasch, Andreas; Organometallics 25 (2006) 4799–; doi:10.1021/om0605581

data_4074333
_publ_section_title
;
 Facile Transformations of a 1,3,5-Triphosphacyclohexadienyl Anion within
 the Coordination Sphere of Group 13 and 14 Elements:&#x00A0; Synthesis of
 1,3-Diphosphacyclopentadienyl Complexes and Phosphaorganometallic Cage
 Compounds
;
_journal_issue                   20
_journal_name_full               Organometallics
_journal_page_first              4799
_journal_paper_doi               10.1021/om0605581
_journal_volume                  25
_journal_year                    2006
_chemical_formula_sum            'C34 H45 P3 Pb'
_chemical_formula_weight         753.80
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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                 101.43(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.659(2)
_cell_length_b                   16.457(3)
_cell_length_c                   19.767(4)
_cell_measurement_temperature    150(2)
_cell_volume                     3398.7(12)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_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  0.0416
_diffrn_reflns_av_sigmaI/netI    0.0587
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            12501
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.14
_exptl_absorpt_coefficient_mu    5.125
_exptl_absorpt_correction_T_max  0.684
_exptl_absorpt_correction_T_min  0.427
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav (Blessing, 1995)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.473
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1504
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.08
_refine_diff_density_max         2.313
_refine_diff_density_min         -1.248
_refine_diff_density_rms         0.142
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.121
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     354
_refine_ls_number_reflns         6630
_refine_ls_number_restraints     36
_refine_ls_restrained_S_all      1.121
_refine_ls_R_factor_all          0.1111
_refine_ls_R_factor_gt           0.0697
_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^)+(0.0127P)^2^+46.4229P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1197
_refine_ls_wR_factor_ref         0.1329
_reflns_number_gt                4521
_reflns_number_total             6630
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om0605581si20060628_061253.cif
_cod_data_source_block           compound11
_cod_original_cell_volume        3398.9(12)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4074333