Radiofluorination of a NHC-PF5 adduct: Toward new probes for 18F PET imaging
Gabbaï, François P.; Li, Zibo; Vabre, Boris; Chansaenpak, Kantapat; Wang, Mengzhe; Wang, Hui; Chem. Commun.  (2017) –; doi:10.1039/C7CC04402J

data_7120420
_publ_section_title
;
 Radiofluorination of a NHC-PF5 adduct: Toward new probes for 18F PET
 imaging
;
_journal_name_full               'Chem. Commun.'
_journal_paper_doi               10.1039/C7CC04402J
_journal_year                    2017
_chemical_formula_sum            'C32 H32 F20 K4 N4 P4'
_chemical_formula_weight         1132.90
_chemical_name_systematic
; 
 ? 
;
_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
_audit_update_record
;
2016-09-16 deposited with the CCDC.
2017-07-11 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 102.725(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.180(3)
_cell_length_b                   8.8602(13)
_cell_length_c                   24.220(4)
_cell_measurement_reflns_used    7831
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      26.65
_cell_measurement_theta_min      2.46
_cell_volume                     4433.5(12)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      110(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0596
_diffrn_reflns_av_sigmaI/netI    0.0466
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            49788
_diffrn_reflns_theta_full        27.25
_diffrn_reflns_theta_max         27.25
_diffrn_reflns_theta_min         1.97
_exptl_absorpt_coefficient_mu    0.662
_exptl_absorpt_correction_T_max  0.9015
_exptl_absorpt_correction_T_min  0.8415
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS-2012/1
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.697
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2272
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.887
_refine_diff_density_min         -0.712
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     581
_refine_ls_number_reflns         9935
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0594
_refine_ls_R_factor_gt           0.0418
_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^)+(0.0389P)^2^+4.0430P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0952
_refine_ls_wR_factor_ref         0.1036
_reflns_number_gt                7725
_reflns_number_total             9935
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7cc04402j2.cif
_cod_data_source_block           bv4
_cod_original_cell_volume        4433.4(11)
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7120420