Chemistry of the Strong Electrophilic Metal Fragment [99Tc(N)(PXP)]2+ (PXP = Diphosphine Ligand). A Novel Tool for the Selective Labeling of Small Molecules
Cristina Bolzati; Alessandra Boschi; Licia Uccelli; Francesco Tisato; Fiorenzo Refosco; Aldo Cagnolini; Adriano Duatti; Sushumna Prakash; Giuliano Bandoli; Andrea Vittadini; Journal of the American Chemical Society 124 (2002) 11468–11479; doi:10.1021/ja0200239

data_4115149
_publ_section_title
;
 Chemistry of the Strong Electrophilic Metal Fragment [99Tc(N)(PXP)]2+
 (PXP = Diphosphine Ligand). A Novel Tool for the Selective Labeling of
 Small Molecules
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11468
_journal_page_last               11479
_journal_paper_doi               10.1021/ja0200239
_journal_volume                  124
_journal_year                    2002
_chemical_formula_sum            'C31 H35 B F4 N3 O P2 Re S2'
_chemical_formula_weight         864.69
_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     heavy
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 108.31(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.065(3)
_cell_length_b                   14.705(3)
_cell_length_c                   16.318(3)
_cell_measurement_reflns_used    35
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      12.9
_cell_measurement_theta_min      8.1
_cell_volume                     3431.9(13)
_computing_cell_refinement       'P3/P4-PC vers.4.27 (Nicolet, 1991)'
_computing_data_collection       'P3/P4-PC vers.4.27 (Nicolet, 1991)'
_computing_data_reduction        'P3/P4-PC vers.4.27 (Nicolet, 1991)'
_computing_molecular_graphics    'SHELXTL NT vers.5.10 (Sheldrick, 1999)'
_computing_publication_material  'SHELXTL NT vers.5.10 (Sheldrick, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXTL NT vers.5.10 (Sheldrick, 1999)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.666
_diffrn_measured_fraction_theta_max 0.666
_diffrn_measurement_device_type  'Nicolet Siemens R3m/V diffractometer'
_diffrn_measurement_method       theta-2theta
_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  0.0575
_diffrn_reflns_av_sigmaI/netI    0.0390
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       0
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            3285
_diffrn_reflns_theta_full        22.87
_diffrn_reflns_theta_max         22.87
_diffrn_reflns_theta_min         2.12
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    3.807
_exptl_absorpt_correction_T_max  0.738
_exptl_absorpt_correction_T_min  0.613
_exptl_absorpt_correction_type   psi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.674
_exptl_crystal_description       prisms
_exptl_crystal_F_000             1712
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.116
_refine_diff_density_min         -2.220
_refine_diff_density_rms         0.205
_refine_ls_extinction_coef       0.0000(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.986
_refine_ls_hydrogen_treatment    'riding model '
_refine_ls_matrix_type           full
_refine_ls_number_parameters     407
_refine_ls_number_reflns         3118
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.986
_refine_ls_R_factor_all          0.0791
_refine_ls_R_factor_gt           0.0577
_refine_ls_shift/su_max          1.079
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1597P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1578
_refine_ls_wR_factor_ref         0.1789
_reflns_number_gt                2372
_reflns_number_total             3118
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja0200239_4.cif
_cod_data_source_block           8
_cod_original_cell_volume        3431.9(12)
_cod_database_code               4115149