Tuning the Electrochemistry of Re26+ Species with Divergent Bicyclic Guanidinate Ligands and by Modification of Axial π Interactions
Gina M. Chiarella; F. Albert Cotton; Carlos A. Murillo; Mark D. Young; Inorganic Chemistry 50 (2011) 1258–1264; doi:10.1021/ic101890p

data_4324424
_publ_section_title
;
 Tuning the Electrochemistry of Re26+ Species with Divergent Bicyclic
 Guanidinate Ligands and by Modification of Axial \p Interactions
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1258
_journal_page_last               1264
_journal_paper_doi               10.1021/ic101890p
_journal_volume                  50
_journal_year                    2011
_chemical_formula_moiety         'C24 H40 Cl2 N12 Re2'
_chemical_formula_sum            'C24 H40 Cl2 N12 Re2'
_chemical_formula_weight         939.98
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           87
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4'
_symmetry_space_group_name_H-M   'I 4/m'
_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                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.679(4)
_cell_length_b                   9.679(4)
_cell_length_c                   15.448(8)
_cell_measurement_reflns_used    2834
_cell_measurement_temperature    213(2)
_cell_measurement_theta_max      24.45
_cell_measurement_theta_min      2.48
_cell_volume                     1447.2(11)
_computing_cell_refinement       'SMART (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SMART (Bruker, 2001)'
_computing_molecular_graphics    'SHELXL97 (Sheldrick, 2008)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      213(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Bruker SMART 1K CCD area-detector'
_diffrn_measurement_method       'phi and omega 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  0.0888
_diffrn_reflns_av_sigmaI/netI    0.0520
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            5017
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.48
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    8.582
_exptl_absorpt_correction_T_max  0.2787
_exptl_absorpt_correction_T_min  0.2429
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2004)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    2.157
_exptl_crystal_description       block
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.20
_refine_diff_density_max         2.495
_refine_diff_density_min         -2.068
_refine_diff_density_rms         0.320
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.915
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     82
_refine_ls_number_reflns         669
_refine_ls_number_restraints     91
_refine_ls_restrained_S_all      1.908
_refine_ls_R_factor_all          0.0714
_refine_ls_R_factor_gt           0.0599
_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^)+(0.0463P)^2^+0.0100P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1435
_refine_ls_wR_factor_ref         0.1482
_reflns_number_gt                588
_reflns_number_total             669
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic101890p_si_001_1.cif
_cod_data_source_block           Re2(tbn)4Cl2
_cod_original_cell_volume        1447.1(10)
_cod_database_code               4324424