Lanthanide-Induced Diinsertion of Isocyanates into the N−H Bond: Synthesis, Structure, and Reactivity of Organolanthanides Containing Diureido Ligands
Sun, Yan; Zhang, Zhengxing; Wang, Xu; Li, Xiaoqing; Weng, Linhong; Zhou, Xigeng; Organometallics 28 (2009) 6320–; doi:10.1021/om900631j

data_4070150
_publ_section_title
;
 Lanthanide-Induced Diinsertion of Isocyanates into the N&#x2212;H Bond:
 Synthesis, Structure, and Reactivity of Organolanthanides Containing
 Diureido Ligands
;
_journal_issue                   21
_journal_name_full               Organometallics
_journal_page_first              6320
_journal_paper_doi               10.1021/om900631j
_journal_volume                  28
_journal_year                    2009
_chemical_formula_sum            'C49 H61 Cl4 Er2 N8 O4'
_chemical_formula_weight         1302.38
_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                93.367(5)
_cell_angle_beta                 94.006(5)
_cell_angle_gamma                93.083(6)
_cell_formula_units_Z            2
_cell_length_a                   8.773(4)
_cell_length_b                   14.532(6)
_cell_length_c                   20.903(9)
_cell_measurement_reflns_used    5661
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.1895
_cell_measurement_theta_min      2.481
_cell_volume                     2649(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 0.976
_diffrn_measured_fraction_theta_max 0.976
_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  0.0359
_diffrn_reflns_av_sigmaI/netI    0.0528
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            10927
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.66
_exptl_absorpt_coefficient_mu    3.397
_exptl_absorpt_correction_T_max  0.7275
_exptl_absorpt_correction_T_min  0.6297
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.633
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1294
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.419
_refine_diff_density_min         -1.271
_refine_diff_density_rms         0.135
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.997
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     595
_refine_ls_number_reflns         9134
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      0.997
_refine_ls_R_factor_all          0.0707
_refine_ls_R_factor_gt           0.0488
_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^)+(0.0808P)^2^+1.5842P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1207
_refine_ls_wR_factor_ref         0.1329
_reflns_number_gt                6705
_reflns_number_total             9134
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om900631j_si_002.cif
_cod_data_source_block           f80429b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_sg_symbol_H-M      P-1
_cod_database_code               4070150