Isolation and Characterization of a Monomeric Cationic Titanium Hydride
Kuangbiao Ma; Warren E. Piers; Yuan Gao; Masood Parvez; Journal of the American Chemical Society 126 (2004) 5668–5669; doi:10.1021/ja048952i

data_4112547
_publ_section_title
;
 Isolation and Characterization of a Monomeric Cationic Titanium Hydride
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5668
_journal_page_last               5669
_journal_paper_doi               10.1021/ja048952i
_journal_volume                  126
_journal_year                    2004
_chemical_formula_sum            'C50 H50 B Br F20 N O P Ti'
_chemical_formula_weight         1230.50
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 92.820(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.597(3)
_cell_length_b                   16.036(4)
_cell_length_c                   15.346(5)
_cell_measurement_reflns_used    8994
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.1
_cell_measurement_theta_min      3.0
_cell_volume                     2604.6(13)
_computing_cell_refinement       'HKL DENZO (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Hooft, 1998)'
_computing_data_reduction        'SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SAPI91 (Fan, 1991)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       ' \w and \f '
_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  0.0343
_diffrn_reflns_av_sigmaI/netI    0.0551
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            8994
_diffrn_reflns_theta_full        25.08
_diffrn_reflns_theta_max         25.08
_diffrn_reflns_theta_min         2.95
_exptl_absorpt_coefficient_mu    1.072
_exptl_absorpt_correction_T_max  0.9385
_exptl_absorpt_correction_T_min  0.8304
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   'SORTAV: (Blessing, 1997)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.569
_exptl_crystal_description       plate
_exptl_crystal_F_000             1244
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.349
_refine_diff_density_min         -0.918
_refine_diff_density_rms         0.070
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.086(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     685
_refine_ls_number_reflns         4772
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0520
_refine_ls_R_factor_gt           0.0381
_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^)+(0.0480P)^2^+1.0700P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0926
_refine_ls_wR_factor_ref         0.0989
_reflns_number_gt                4055
_reflns_number_total             4772
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja048952isi20040329_054043.cif
_cod_data_source_block           ma4
_cod_database_code               4112547