Large Changes in Electronic Structures of Ru26+ Species Caused by the Variations of the Bite Angle of Guanidinate Ligands: Tuning Magnetic Behavior
Gina M. Chiarella; F. Albert Cotton; Carlos A. Murillo; Mark D. Young; Qinliang Zhao; Inorganic Chemistry 49 (2010) 3051–3056; doi:10.1021/ic100100a

data_4315102
_publ_section_title
;
 Large Changes in Electronic Structures of Ru26+ Species Caused by the
 Variations of the Bite Angle of Guanidinate Ligands: Tuning Magnetic
 Behavior
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3051
_journal_page_last               3056
_journal_paper_doi               10.1021/ic100100a
_journal_volume                  49
_journal_year                    2010
_chemical_formula_moiety         'C24 H40 Cl2 N12 Ru2'
_chemical_formula_sum            'C24 H40 Cl2 N12 Ru2'
_chemical_formula_weight         769.72
_chemical_name_common            Ru2(tbn)4Cl2
_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                   9.608(3)
_cell_length_b                   9.608(3)
_cell_length_c                   15.404(7)
_cell_measurement_reflns_used    1892
_cell_measurement_temperature    213(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.49
_cell_volume                     1422.0(9)
_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 0.980
_diffrn_measured_fraction_theta_max 0.980
_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  0.0866
_diffrn_reflns_av_sigmaI/netI    0.0561
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            4056
_diffrn_reflns_theta_full        27.54
_diffrn_reflns_theta_max         27.54
_diffrn_reflns_theta_min         2.50
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.290
_exptl_absorpt_correction_T_max  0.8300
_exptl_absorpt_correction_T_min  0.7824
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2004)'
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.798
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             780
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.905
_refine_diff_density_min         -1.176
_refine_diff_density_rms         0.193
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.958
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     82
_refine_ls_number_reflns         845
_refine_ls_number_restraints     66
_refine_ls_restrained_S_all      2.070
_refine_ls_R_factor_all          0.0982
_refine_ls_R_factor_gt           0.0680
_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^)+(0.0300P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1380
_refine_ls_wR_factor_ref         0.1483
_reflns_number_gt                628
_reflns_number_total             845
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic100100a_si_001_1.cif
_cod_data_source_block           Ru2(tbn)4Cl2-213K-spgr:87
_cod_original_cell_volume        1422.1(9)
_cod_database_code               4315102