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_4070152
_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            'C31 H29 Er N4 O2'
_chemical_formula_weight         656.84
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 103.635(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.386(4)
_cell_length_b                   9.051(3)
_cell_length_c                   14.676(5)
_cell_measurement_reflns_used    4783
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.0685
_cell_measurement_theta_min      2.6715
_cell_volume                     1340.7(8)
_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 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0408
_diffrn_reflns_av_sigmaI/netI    0.0414
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            5564
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.43
_exptl_absorpt_coefficient_mu    3.165
_exptl_absorpt_correction_T_max  0.8838
_exptl_absorpt_correction_T_min  0.5050
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.627
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       sheet
_exptl_crystal_F_000             654
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.139
_refine_diff_density_min         -1.448
_refine_diff_density_rms         0.132
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.005(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     348
_refine_ls_number_reflns         4256
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0424
_refine_ls_R_factor_gt           0.0403
_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^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1060
_refine_ls_wR_factor_ref         0.1075
_reflns_number_gt                3991
_reflns_number_total             4256
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om900631j_si_002.cif
_cod_data_source_block           f80229a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_cell_volume        1340.8(8)
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               4070152