Diphosphine-Phosphenium Coordination Complexes Representing Monocations with Pendant Donors and Ligand Tethered Dications
Neil Burford; David E. Herbert; Paul J. Ragogna; Robert McDonald; Michael J. Ferguson; Journal of the American Chemical Society 126 (2004) 17067–17073; doi:10.1021/ja0452121

data_4113345
_publ_contact_author_address
;Department of Chemistry
Dalhousie University
Halifax, NS
B3H 4J3, CANADA
;
_publ_contact_author_email       Neil.Burford@dal.ca
_publ_contact_author_fax         1-902-494-1310
_publ_contact_author_name        'Neil Burford'
_publ_contact_author_phone       1-902-4943190
_publ_section_title
;
 Diphosphine-Phosphenium Coordination Complexes Representing Monocations
 with Pendant Donors and Ligand Tethered Dications
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              17067
_journal_page_last               17073
_journal_paper_doi               10.1021/ja0452121
_journal_volume                  126
_journal_year                    2004
_chemical_formula_moiety         'C29 H34 P4, 2(Cl4 Ga)'
_chemical_formula_sum            'C29 H34 Cl8 Ga2 P4'
_chemical_formula_weight         929.48
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 94.016(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.017(6)
_cell_length_b                   9.523(3)
_cell_length_c                   18.060(5)
_cell_measurement_reflns_used    3631
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      25.084
_cell_measurement_theta_min      2.261
_cell_volume                     3949(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.0549
_diffrn_reflns_av_sigmaI/netI    0.0609
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            10801
_diffrn_reflns_theta_full        26.48
_diffrn_reflns_theta_max         26.48
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    2.088
_exptl_absorpt_correction_T_max  0.8028
_exptl_absorpt_correction_T_min  0.2998
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.563
_exptl_crystal_description       block
_exptl_crystal_F_000             1864
_exptl_crystal_size_max          0.76
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.11
_refine_diff_density_max         1.340
_refine_diff_density_min         -1.566
_refine_diff_density_rms         0.157
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     195
_refine_ls_number_reflns         4064
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0893
_refine_ls_R_factor_gt           0.0649
_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^)+(0.1171P)^2^+0.5036P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1626
_refine_ls_wR_factor_ref         0.1806
_reflns_number_gt                2978
_reflns_number_total             4064
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja0452121si20041007_081423_4.cif
_cod_data_source_block           dal03a1
_cod_original_cell_volume        3949.1(18)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4113345