Structural Elucidation of the Illustrious Tebbe Reagent
Thompson, Rick; Nakamaru-Ogiso, Eiko; Chen, Chun-Hsing; Pink, Maren; Mindiola, Daniel J.; Organometallics 33 (2014) 429–; doi:10.1021/om401108b

data_4082533
_publ_section_title
;
 Structural Elucidation of the Illustrious Tebbe Reagent
;
_journal_issue                   1
_journal_name_full               Organometallics
_journal_page_first              429
_journal_paper_doi               10.1021/om401108b
_journal_volume                  33
_journal_year                    2014
_chemical_formula_sum            'C16.12 H21.23 Al Cl1.38 Ti'
_chemical_formula_weight         338.80
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_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                 124.8580(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   22.4504(8)
_cell_length_b                   11.9176(4)
_cell_length_c                   15.2004(10)
_cell_measurement_reflns_used    9990
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      30.02
_cell_measurement_theta_min      2.70
_cell_volume                     3337.2(3)
_computing_cell_refinement       'APEX II v2010.11.3 (Bruker, 2013)'
_computing_data_collection       'APEX II v2010.11.3 (Bruker, 2013)'
_computing_data_reduction        'APEX II v2010.11.3 (Bruker, 2013)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2013)'
_computing_publication_material  'SHELXTL (Bruker, 2013)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2010)'
_computing_structure_solution    'SIR-2004 (Burla et al., 2005)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 83.33
_diffrn_detector_type            'Bruker APEXII'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_details
'0.50 degree frames measured for 7 seconds each'
_diffrn_measurement_device       'APEX Kappa Duo'
_diffrn_measurement_device_type  Kappa
_diffrn_measurement_method       'omega and phi 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  0.0422
_diffrn_reflns_av_sigmaI/netI    0.0285
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            33941
_diffrn_reflns_theta_full        30.05
_diffrn_reflns_theta_max         30.05
_diffrn_reflns_theta_min         2.04
_exptl_absorpt_coefficient_mu    0.773
_exptl_absorpt_correction_T_max  0.8363
_exptl_absorpt_correction_T_min  0.8013
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, R. Blessing; 1995'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.349
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1411
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.369
_refine_diff_density_min         -0.658
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.209
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     184
_refine_ls_number_reflns         4887
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.209
_refine_ls_R_factor_all          0.0467
_refine_ls_R_factor_gt           0.0435
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+7.5491P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0954
_refine_ls_wR_factor_ref         0.0965
_reflns_number_gt                4540
_reflns_number_total             4887
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om401108b_si_002.cif
_cod_data_source_block           13059
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4082533