A New Strategy for Ring Modification of Metallocenes: Carbodiimide Insertion into the η5-Y-C5H5 Bond and Subsequent Isomerization
Chengfu Pi; Xiaoqing Li; Lili Zhang; Ruiting Liu; Linhong Weng; Xigeng Zhou; Inorganic Chemistry 49 (2010) 7632–7634; doi:10.1021/ic101346b

data_4316471
_publ_section_title
;
 A New Strategy for Ring Modification of Metallocenes: Carbodiimide
 Insertion into the \h5-Y-C5H5 Bond and Subsequent Isomerization
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7632
_journal_page_last               7634
_journal_paper_doi               10.1021/ic101346b
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C22 H29 N2 Y'
_chemical_formula_weight         410.38
_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                92.301(15)
_cell_angle_beta                 102.283(15)
_cell_angle_gamma                107.941(14)
_cell_formula_units_Z            2
_cell_length_a                   8.392(9)
_cell_length_b                   10.643(12)
_cell_length_c                   12.394(14)
_cell_measurement_reflns_used    766
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      22.143
_cell_measurement_theta_min      2.487
_cell_volume                     1022(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 0.988
_diffrn_measured_fraction_theta_max 0.988
_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  0.0814
_diffrn_reflns_av_sigmaI/netI    0.1084
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            4287
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.69
_diffrn_standards_decay_%        9.33
_exptl_absorpt_coefficient_mu    2.858
_exptl_absorpt_correction_T_max  0.5987
_exptl_absorpt_correction_T_min  0.5352
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.333
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             428
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.251
_refine_diff_density_min         -0.967
_refine_diff_density_rms         0.134
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.962
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         3549
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.962
_refine_ls_R_factor_all          0.1061
_refine_ls_R_factor_gt           0.0740
_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^)+(0.1171P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1752
_refine_ls_wR_factor_ref         0.1894
_reflns_number_gt                2417
_reflns_number_total             3549
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic101346b_si_002_1.cif
_cod_data_source_block           f61021a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4316471