β-Agostic Interactions in 15-Valence-Electron 9-BBN Hydroborate Half-Sandwich Titanium(III) Complexes
Hamilton, Ewan J. M.; Park, Jung Su; Chen, Xuenian; Liu, Shengming; Sturgeon, Matthew R.; Meyers, Edward A.; Shore, Sheldon G.; Organometallics 28 (2009) 3973–; doi:10.1021/om8009014

data_4068487
_publ_section_title
;
 \b-Agostic Interactions in 15-Valence-Electron 9-BBN Hydroborate
 Half-Sandwich Titanium(III) Complexes
;
_journal_issue                   14
_journal_name_full               Organometallics
_journal_page_first              3973
_journal_paper_doi               10.1021/om8009014
_journal_volume                  28
_journal_year                    2009
_chemical_formula_moiety         'C25 H45 B2 O Ti'
_chemical_formula_sum            'C25 H45 B2 O Ti'
_chemical_formula_weight         431.13
_chemical_name_common            SHORE1186
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 107.17(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.283(2)
_cell_length_b                   18.096(4)
_cell_length_c                   13.854(3)
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      25.04
_cell_measurement_theta_min      2.36
_cell_volume                     2463.1(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'NONIUS KAPPA CCD'
_diffrn_measurement_method       'PHI SCANS & 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  0.0574
_diffrn_reflns_av_sigmaI/netI    0.0513
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            15275
_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
_diffrn_reflns_theta_min         2.36
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.361
_exptl_absorpt_correction_T_max  0.9580
_exptl_absorpt_correction_T_min  0.9346
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SORTAV (BLESSING, 1995)'
_exptl_crystal_density_diffrn    1.163
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             940
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.434
_refine_diff_density_min         -0.287
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.104
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     278
_refine_ls_number_reflns         4358
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.104
_refine_ls_R_factor_all          0.0885
_refine_ls_R_factor_gt           0.0589
_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^)+(0.0136P)^2^+4.0564P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1127
_refine_ls_wR_factor_ref         0.1215
_reflns_number_gt                3196
_reflns_number_total             4358
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om8009014_si_003.cif
_cod_data_source_block           '[CpTi(III){(mu-H)2BC8H14}2(THF)]'
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'MONOCLINIC' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2463.1(9)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4068487