Reactions of Cp3Y with Benzophenone: A Simple and Efficient Method for Transformation of Unsubstituted Cyclopentadienyl to Bridgedansa-Cyclopentadienyl/Alkoxyl Ligand
Li, Xiaoqing; Hong, Jianquan; Liu, Ruiting; Weng, Linhong; Zhou, Xigeng; Organometallics 29 (2010) 4606–; doi:10.1021/om100755s

data_4066999
_publ_section_title
;
 Reactions of Cp3Y with Benzophenone: A Simple and Efficient Method for
 Transformation of Unsubstituted Cyclopentadienyl to
 Bridgedansa-Cyclopentadienyl/Alkoxyl Ligand
;
_journal_issue                   20
_journal_name_full               Organometallics
_journal_page_first              4606
_journal_paper_doi               10.1021/om100755s
_journal_volume                  29
_journal_year                    2010
_chemical_formula_sum            'C46 H38 O2 Y2'
_chemical_formula_weight         800.58
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           20
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c 2'
_symmetry_space_group_name_H-M   'C 2 2 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.266(5)
_cell_length_b                   18.163(6)
_cell_length_c                   15.374(5)
_cell_measurement_reflns_used    2752
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      21.528
_cell_measurement_theta_min      2.189
_cell_volume                     4263(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.0617
_diffrn_reflns_av_sigmaI/netI    0.1113
_diffrn_reflns_limit_h_max       16
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_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            10198
_diffrn_reflns_theta_full        26.99
_diffrn_reflns_theta_max         26.99
_diffrn_reflns_theta_min         1.74
_exptl_absorpt_coefficient_mu    2.742
_exptl_absorpt_correction_T_max  0.7711
_exptl_absorpt_correction_T_min  0.7344
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.247
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1632
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.788
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_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.032(7)
_refine_ls_extinction_method     none
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_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         4566
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.982
_refine_ls_R_factor_all          0.0674
_refine_ls_R_factor_gt           0.0407
_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^)+(0.0082P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0592
_refine_ls_wR_factor_ref         0.0615
_reflns_number_gt                2901
_reflns_number_total             4566
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100755s_si_002.cif
_cod_data_source_block           a00722a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        4263(3)
_cod_original_sg_symbol_H-M      C222(1)
_cod_database_code               4066999