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_4070154
_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            'C30 H27 Er N4 O2'
_chemical_formula_weight         642.82
_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                114.294(4)
_cell_angle_beta                 100.798(4)
_cell_angle_gamma                98.797(4)
_cell_formula_units_Z            2
_cell_length_a                   9.474(3)
_cell_length_b                   12.672(4)
_cell_length_c                   12.683(4)
_cell_measurement_reflns_used    5726
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.870
_cell_measurement_theta_min      3.230
_cell_volume                     1317.5(7)
_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 0.977
_diffrn_measured_fraction_theta_max 0.977
_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  0.0258
_diffrn_reflns_av_sigmaI/netI    0.0249
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            5442
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.82
_exptl_absorpt_coefficient_mu    3.219
_exptl_absorpt_correction_T_max  0.7828
_exptl_absorpt_correction_T_min  0.6438
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.620
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             638
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.335
_refine_diff_density_min         -1.420
_refine_diff_density_rms         0.097
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.967
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     338
_refine_ls_number_reflns         4533
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.967
_refine_ls_R_factor_all          0.0297
_refine_ls_R_factor_gt           0.0278
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0605P)^2^+0.3541P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0736
_refine_ls_wR_factor_ref         0.0748
_reflns_number_gt                4250
_reflns_number_total             4533
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om900631j_si_002.cif
_cod_data_source_block           f80326c
_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_cell_volume        1317.4(7)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4070154