Triaza-macrocyclic complexes of aluminium, gallium and indium halides: fast 18F and 19F incorporation via halide exchange under mild conditions in aqueous solution
Bhalla, Rajiv; Darby, Christine; Levason, William; Luthra, Sajinder K.; McRobbie, Graeme; Reid, Gillian; Sanderson, George; Zhang, Wenjian; Chemical Science 5 (2014) 381–; doi:10.1039/c3sc52104d

data_1513702
_publ_section_title
;
 Triaza-macrocyclic complexes of aluminium, gallium and indium halides:
 fast 18F and 19F incorporation via halide exchange under mild conditions
 in aqueous solution
;
_journal_issue                   1
_journal_name_full               'Chemical Science'
_journal_page_first              381
_journal_paper_doi               10.1039/c3sc52104d
_journal_volume                  5
_journal_year                    2014
_chemical_formula_moiety         'C18 H45 Ga2 N6 O3 3+, 3Br 1-, 3(C H2 Cl2)'
_chemical_formula_structural     '((C9 H21 N3)2 (O H)3 Ga2) (Br)3 (C H2 Cl2)3'
_chemical_formula_sum            'C21 H51 Br3 Cl6 Ga2 N6 O3'
_chemical_formula_weight         1027.55
_chemical_name_systematic
;
tris(mu~2~-hydroxy)bis((1,4,7-trimethyl-1,4,7-triazacyclononane)-
gallium(III)) bromide dichloromethane solvate
;
_space_group_IT_number           176
_space_group_name_Hall           '-P 6c'
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  '-P 6c'
_symmetry_space_group_name_H-M   'P 63/m'
_atom_sites_solution_hydrogens   'geom (C-H) & difmap (O-H)'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2010-12-04
_audit_creation_method           'SHELXL-97 + hand edit'
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            2
_cell_length_a                   12.979(2)
_cell_length_b                   12.979(2)
_cell_length_c                   13.565(4)
_cell_measurement_reflns_used    2969
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     1978.9(7)
_computing_cell_refinement       'DENZO (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction        'DENZO (Otwinowski & Minor, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker-Nonius 95mm CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  '10cm confocal mirrors'
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0740
_diffrn_reflns_av_sigmaI/netI    0.0357
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            15378
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         3.14
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.826
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6954
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'G.M. Sheldrick, (2007). SADABS. Version 2007/2. Bruker AXS Inc.'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.724
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.03
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.527
_refine_diff_density_min         -0.442
_refine_diff_density_rms         0.109
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     72
_refine_ls_number_reflns         1356
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0542
_refine_ls_R_factor_gt           0.0436
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0332P)^2^+7.0338P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0912
_refine_ls_wR_factor_ref         0.0970
_reflns_number_gt                1192
_reflns_number_total             1356
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            c3sc52104d.txt
_cod_data_source_block           10wz1118
_cod_database_code               1513702