Combining Bifunctional Chelator with (3 + 2)-Cycloaddition Approaches: Synthesis of Dual-Function Technetium Complexes
Henrik Braband; Sebastian Imstepf; Michael Benz; Bernhard Spingler; Roger Alberto; Inorganic Chemistry 51 (2012) 4051–4057; doi:10.1021/ic202212e

data_4328751
_publ_section_title
;
 Combining Bifunctional Chelator with (3 + 2)-Cycloaddition Approaches:
 Synthesis of Dual-Function Technetium Complexes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4051
_journal_page_last               4057
_journal_paper_doi               10.1021/ic202212e
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         '[TcO3(tacn-BA)]Br'
_chemical_formula_sum            'C15 H26 Br N4 O5 Tc'
_chemical_formula_weight         520.31
_chemical_name_common            '[TcO3(tacn-BA)]Br'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 95.344(14)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.1014(12)
_cell_length_b                   11.4750(8)
_cell_length_c                   17.935(2)
_cell_measurement_reflns_used    7505
_cell_measurement_temperature    183(2)
_cell_measurement_theta_max      28.2
_cell_measurement_theta_min      1.9
_cell_volume                     2069.9(4)
_computing_cell_refinement       'IPDS (Stoe, 1999)'
_computing_data_collection       'IPDS (Stoe, 1999)'
_computing_data_reduction        'X-RED (Stoe, 1999)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      183(2)
_diffrn_measured_fraction_theta_full 0.951
_diffrn_measured_fraction_theta_max 0.951
_diffrn_measurement_device_type  'Stoe IPDS'
_diffrn_measurement_method       '\f oscillation scan'
_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  0.1344
_diffrn_reflns_av_sigmaI/netI    0.1271
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            20932
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.69
_diffrn_standards_interval_count 'every image'
_diffrn_standards_interval_time  5.5
_diffrn_standards_number         50-200
_exptl_absorpt_coefficient_mu    2.657
_exptl_absorpt_correction_T_max  0.742120
_exptl_absorpt_correction_T_min  0.3053289
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.670
_exptl_crystal_description       stick
_exptl_crystal_F_000             1048
_exptl_crystal_size_max          0.194
_exptl_crystal_size_mid          0.114
_exptl_crystal_size_min          0.034
_refine_diff_density_max         0.959
_refine_diff_density_min         -0.472
_refine_diff_density_rms         0.093
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.807
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         4038
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.807
_refine_ls_R_factor_all          0.1070
_refine_ls_R_factor_gt           0.0482
_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^)+(0.0446P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0916
_refine_ls_wR_factor_ref         0.1047
_reflns_number_gt                2046
_reflns_number_total             4038
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic202212e_si_002_3.cif
_cod_data_source_block           si230410
_cod_database_code               4328751