Structure and stability of hexadentate complexes of ligands based on AAZTA for efficient PET labelling with gallium-68
Bradley P. Waldron; David Parker; Carsten Burchardt; Dmitry S. Yufit; Melanie Zimny; Frank Roesch; Chem.Commun. 49 (2013) 579–; doi:10.1039/c2cc37544c

data_7108759
_publ_section_title
;
 Structure and stability of hexadentate complexes of ligands based on
 AAZTA for efficient PET labelling with gallium-68
;
_journal_name_full               Chem.Commun.
_journal_page_first              579
_journal_paper_doi               10.1039/c2cc37544c
_journal_volume                  49
_journal_year                    2013
_chemical_formula_moiety         'C20 H25 N3 O2'
_chemical_formula_sum            'C20 H25 N3 O2'
_chemical_formula_weight         339.43
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2012-06-27
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2012.05.09 svn.r2324, GUI svn.r4230)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 111.467(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   32.4876(13)
_cell_length_b                   6.0545(2)
_cell_length_c                   20.2683(8)
_cell_measurement_reflns_used    4238
_cell_measurement_temperature    120
_cell_measurement_theta_max      29.24
_cell_measurement_theta_min      2.16
_cell_volume                     3710.1(4)
_computing_cell_refinement       'SAINT v6.45A (Bruker, 2003)'
_computing_data_collection       'SMART v5.625 (Bruker, 2001)'
_computing_data_reduction        'SAINT v6.45A (Bruker, 2003)'
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
XL, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_computing_structure_solution
;
XS, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_diffrn_ambient_temperature      120
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 5.6
_diffrn_detector_type            'Bruker SMART CCD 6000 area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART CCD 6000 area detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.0342
_diffrn_reflns_av_unetI/netI     0.0332
_diffrn_reflns_limit_h_max       42
_diffrn_reflns_limit_h_min       -42
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            17258
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         1.35
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_current           35.0
_diffrn_source_power             1.75
_diffrn_source_target            Mo
_diffrn_source_type              'sealed X-ray tube'
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.1913
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2006/1 (Bruker,2006) was used for absorption correction.
R(int) was 0.0388 before and 0.0272 after correction.
The Ratio of minimum to maximum transmission is 0.1913.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            'dull light colourless'
_exptl_crystal_colour_lustre     dull
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.215
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1456
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.591
_refine_diff_density_min         -0.215
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     315
_refine_ls_number_reflns         4452
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0671
_refine_ls_R_factor_gt           0.0482
_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^)+(0.0700P)^2^+3.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1252
_refine_ls_wR_factor_ref         0.1427
_reflns_number_gt                3332
_reflns_number_total             4452
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2cc37544c.txt
_cod_data_source_block           '[ESI_1]_12srv123'
_cod_original_cell_volume        3710.1(2)
_cod_database_code               7108759