Cyclopentadienyl-Like Ligand as a Reactive Site in Half-Sandwich Bis(amidinato) Rare-Earth-Metal Complexes: An Efficient Application in Catalytic Addition of Amines to Carbodiimides
Wei, Peng-Hui; Xu, Ling; Song, Li-Cheng; Zhang, Wen-Xiong; Xi, Zhenfeng; Organometallics 33 (2014) 2784–; doi:10.1021/om5002793

data_4083406
_publ_section_title
;
 Cyclopentadienyl-Like Ligand as a Reactive Site in Half-Sandwich
 Bis(amidinato) Rare-Earth-Metal Complexes: An Efficient Application in
 Catalytic Addition of Amines to Carbodiimides
;
_journal_issue                   11
_journal_name_full               Organometallics
_journal_page_first              2784
_journal_paper_doi               10.1021/om5002793
_journal_volume                  33
_journal_year                    2014
_chemical_formula_sum            'C57 H66 Lu N4 Si'
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; 
 ? 
;
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_atom_sites_solution_hydrogens   geom
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_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 99.10(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.046(3)
_cell_length_b                   15.570(3)
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_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.49
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_computing_cell_refinement       Rapid-AUTO
_computing_data_collection       'Rapid-AUTO (Rigaku,2000)'
_computing_data_reduction        'CrystalStructure (Rigaku/MSC,2000)'
_computing_molecular_graphics    'Siemens SHELXTL V4.2,(Sheldrick,1990)'
_computing_publication_material  SHELXL-97,(Sheldrick,1997)
_computing_structure_refinement  SHELXL-97,(Sheldrick,1997)
_computing_structure_solution    SHELXS-97,(Sheldrick,1997)
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_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Rigaku RAXIS RAPID IP'
_diffrn_measurement_method       \W
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_av_sigmaI/netI    0.2886
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
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_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         1.70
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.947
_exptl_absorpt_correction_T_max  0.8291
_exptl_absorpt_correction_T_min  0.6968
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
                                  HIGASHI, T. (1995). Abscor-Empirical 
                                  Absorption Correction based on Fourier 
                                  Series Approximation. 
                                  Rigaku Corporation,Tokyo,Japan. 
;
_exptl_crystal_density_diffrn    1.281
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2084
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.936
_refine_diff_density_min         -1.501
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_refine_ls_extinction_coef       0.00016(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     563
_refine_ls_number_reflns         11868
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.1964
_refine_ls_R_factor_gt           0.0719
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0200P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1084
_refine_ls_wR_factor_ref         0.1315
_reflns_number_gt                4650
_reflns_number_total             11868
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om5002793_si_002.cif
_cod_data_source_block           7
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Empirical' changed to
'empirical' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/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 

 Adding full bibliography for 4083401--4083407.cif.
;
_cod_original_cell_volume        5236.0(18)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4083406