First isolation of fully delocalized mixed-valent imido-bridged [Ti2]7+ complexes by one-electron reduction of [(C5R5)TiCl]2(m-NAr)2
Hayato Tsurugi; Haruki Nagae; Kazushi Mashima; Chem.Commun. 47 (2011) 5620–; doi:10.1039/c1cc10757g

data_7106366
_publ_section_title
;
 First isolation of fully delocalized mixed-valent imido-bridged [Ti2]7+
 complexes by one-electron reduction of [(C5R5)TiCl]2(m-NAr)2
;
_journal_name_full               Chem.Commun.
_journal_page_first              5620
_journal_paper_doi               10.1039/c1cc10757g
_journal_volume                  47
_journal_year                    2011
_chemical_formula_moiety         'C26 H16 Cl2 F12 N2 Ti2, C6H6'
_chemical_formula_sum            'C32 H22 Cl2 F12 N2 Ti2'
_chemical_formula_weight         829.22
_chemical_name_common            4a
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_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                 98.757(16)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.882(6)
_cell_length_b                   8.044(3)
_cell_length_c                   26.068(8)
_cell_measurement_reflns_used    1499
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      27.32
_cell_measurement_theta_min      3.01
_cell_volume                     3291(2)
_computing_cell_refinement       CrystalClear
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        CrystalClear
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare, et al., 1994)'
_diffrn_ambient_temperature      113(2)
_diffrn_detector_area_resol_mean 7.314
_diffrn_measured_fraction_theta_full 0.968
_diffrn_measured_fraction_theta_max 0.968
_diffrn_measurement_device_type  'Rigaku Mercury70'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.1325
_diffrn_reflns_av_sigmaI/netI    0.1592
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            12742
_diffrn_reflns_theta_full        27.26
_diffrn_reflns_theta_max         27.26
_diffrn_reflns_theta_min         3.01
_exptl_absorpt_coefficient_mu    0.743
_exptl_absorpt_correction_T_max  0.9294
_exptl_absorpt_correction_T_min  0.8078
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.673
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             1656
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.075
_refine_diff_density_min         -1.347
_refine_diff_density_rms         0.243
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.995
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         3583
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.995
_refine_ls_R_factor_all          0.2064
_refine_ls_R_factor_gt           0.1118
_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^)+(0.1990P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2845
_refine_ls_wR_factor_ref         0.3652
_reflns_number_gt                1537
_reflns_number_total             3583
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1cc10757g.txt
_cod_data_source_block           4a
_cod_original_cell_volume        3291.8(19)
_cod_database_code               7106366