Studies of the reactions of tripodal pyridine-containing ligands with Re(CO)(5)Br leading to rheniumtricarbonyl complexes with potential biomedical applications.
Griffiths, D. Vaughan; Cheong, Yuen-Ki; Duncanson, Philip; Motevalli, Majid; Dalton transactions (Cambridge, England : 2003) 40 (2011) 10215–10228; doi:10.1039/c1dt11020a

data_7016912
_publ_section_title
;
 Studies of the reactions of tripodal pyridine-containing ligands with
 Re(CO)(5)Br leading to rheniumtricarbonyl complexes with potential
 biomedical applications.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10215
_journal_page_last               10228
_journal_paper_doi               10.1039/c1dt11020a
_journal_volume                  40
_journal_year                    2011
_chemical_formula_sum            'C21 H18 Br N4 O5 Re'
_chemical_formula_weight         672.50
_chemical_name_systematic
;
?
;
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_symmetry_Int_Tables_number      148
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            18
_cell_length_a                   29.8269(16)
_cell_length_b                   29.8269(16)
_cell_length_c                   15.6504(11)
_cell_measurement_reflns_used    100431
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     12057.9(12)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'DIRDIF08 (Beurskens et al, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean '4096x4096pixels / 62x62mm'
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type
'Bruker-Nonius APEX II 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  0.0550
_diffrn_reflns_av_sigmaI/netI    0.0557
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            19587
_diffrn_reflns_theta_full        25.67
_diffrn_reflns_theta_max         25.67
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    6.060
_exptl_absorpt_correction_T_max  0.7936
_exptl_absorpt_correction_T_min  0.5553
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2007/2 (Sheldrick, G.M., 2007)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.667
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             5796
_exptl_crystal_size_max          0.11
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.04
_refine_diff_density_max         2.877
_refine_diff_density_min         -1.852
_refine_diff_density_rms         0.231
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.211
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     303
_refine_ls_number_reflns         5025
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.211
_refine_ls_R_factor_all          0.1045
_refine_ls_R_factor_gt           0.0820
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0001P)^2^+1088.8053P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1731
_refine_ls_wR_factor_ref         0.1822
_reflns_number_gt                3987
_reflns_number_total             5025
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c1dt11020a.txt
_cod_data_source_block           pd-9-56r
_cod_original_sg_symbol_H-M      'R -3'
_cod_database_code               7016912