Toward Organometallic 99mTc Imaging Agents: Synthesis of Water-Stable 99Tc-NHC Complexes
Michael Benz; Bernhard Spingler; Roger Alberto; Henrik Braband; Journal of the American Chemical Society 135 (2013) 17566–17572; doi:10.1021/ja409499u

data_4121180
_publ_section_title
;
 Toward Organometallic 99mTc Imaging Agents: Synthesis of Water-Stable
 99Tc-NHC Complexes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              17566
_journal_page_last               17572
_journal_paper_doi               10.1021/ja409499u
_journal_volume                  135
_journal_year                    2013
_chemical_formula_moiety         C22H37.20F6N8O4.60PTc
_chemical_formula_sum            'C22 H37.2 F6 N8 O4.6 P Tc'
_chemical_formula_weight         730.37
_chemical_name_common            '[TcO2(L3)2](PF6)x2.6H2O'
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                86.566(2)
_cell_angle_beta                 80.875(2)
_cell_angle_gamma                88.031(2)
_cell_formula_units_Z            2
_cell_length_a                   8.6324(2)
_cell_length_b                   9.6076(3)
_cell_length_c                   18.6505(5)
_cell_measurement_reflns_used    6686
_cell_measurement_temperature    183(2)
_cell_measurement_theta_max      31.0018
_cell_measurement_theta_min      2.7823
_cell_volume                     1524.01(7)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
;
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR-97 (Altomare, 1999)'
_diffrn_ambient_temperature      183(2)
_diffrn_detector_area_resol_mean 10.4498
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Xcalibur, Ruby'
_diffrn_measurement_method       '\w scans'
_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  0.0539
_diffrn_reflns_av_sigmaI/netI    0.0623
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            18201
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         2.79
_exptl_absorpt_coefficient_mu    0.606
_exptl_absorpt_correction_T_max  0.9408
_exptl_absorpt_correction_T_min  0.9187
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.592
_exptl_crystal_description       block
_exptl_crystal_F_000             748
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.937
_refine_diff_density_min         -0.612
_refine_diff_density_rms         0.099
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     423
_refine_ls_number_reflns         7516
_refine_ls_number_restraints     9
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0660
_refine_ls_R_factor_gt           0.0490
_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^)+(0.0519P)^2^+1.5620P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1139
_refine_ls_wR_factor_ref         0.1246
_reflns_number_gt                5927
_reflns_number_total             7516
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja409499u_si_002_6.cif
_cod_data_source_block           '[TcO2(L3)2](PF6)x2.6H2O'
_cod_original_formula_sum        'C22 H37.20 F6 N8 O4.60 P Tc'
_cod_database_code               4121180