Titanocene(iii) pseudohalides: an ESR and structural study
Křižan, Martin; Honzíček, Jan; Vinklárek, Jaromír; Růžičková, Zdeňka; Erben, Milan; New J. Chem. 39 (2015) 576–; doi:10.1039/C4NJ01404A

data_7054520
_publ_section_title
;
 Titanocene(iii) pseudohalides: an ESR and structural study
;
_journal_issue                   1
_journal_name_full               'New J. Chem.'
_journal_page_first              576
_journal_paper_doi               10.1039/C4NJ01404A
_journal_volume                  39
_journal_year                    2015
_chemical_formula_moiety         'C36 H52 N6 Si4 Ti2'
_chemical_formula_sum            'C36 H52 N6 Si4 Ti2'
_chemical_formula_weight         777.00
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                77.795(5)
_cell_angle_beta                 89.851(6)
_cell_angle_gamma                84.089(5)
_cell_formula_units_Z            2
_cell_length_a                   7.5980(4)
_cell_length_b                   11.5230(6)
_cell_length_c                   25.0561(17)
_cell_measurement_reflns_used    46287
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1
_cell_volume                     2132.3(2)
_computing_cell_refinement       'COLLECT and DENZO'
_computing_data_collection
'COLLECT (Hooft, 1998) and DENZO (Otwinowski & Minor, 1997)'
_computing_data_reduction        'COLLECT and DENZO'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150(1)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker Nonius KappaCCD area detector'
_diffrn_measurement_method       '\f and \w scans to fill the Ewald sphere'
_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  0.0834
_diffrn_reflns_av_sigmaI/netI    0.0550
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            46211
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.66
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.518
_exptl_absorpt_correction_T_max  0.962
_exptl_absorpt_correction_T_min  0.897
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
;
Gaussian integration (Coppens, 1970)
;
_exptl_crystal_colour            'dark green'
_exptl_crystal_density_diffrn    1.210
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             820
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.281
_refine_diff_density_min         -0.341
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.121
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     433
_refine_ls_number_reflns         9732
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.121
_refine_ls_R_factor_all          0.0956
_refine_ls_R_factor_gt           0.0552
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0231P)^2^+1.7711P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0973
_refine_ls_wR_factor_ref         0.1150
_reflns_number_gt                6690
_reflns_number_total             9732
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4nj01404a1.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
'Adding full bibliography for 7054517--7054522.cif.'
_cod_database_code               7054520