Reactivity of Organolanthanide and Organolithium Complexes Containing the Guanidinate Ligands toward Isocyanate or Carbodiimide: Synthesis and Crystal Structures
Jie Zhang; Xigeng Zhou; Ruifang Cai; Linhong Weng; Inorganic Chemistry 44 (2005) 716–722; doi:10.1021/ic048683x

data_4308454
_publ_section_title
;
Reactivity of Organolanthanide and Organolithium Complexes Containing the
Guanidinate Ligands toward Isocyanate or Carbodiimide: Synthesis and
Crystal Structures
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              716
_journal_page_last               722
_journal_paper_doi               10.1021/ic048683x
_journal_volume                  44
_journal_year                    2005
_chemical_formula_sum            'C22 H36 N5 Yb'
_chemical_formula_weight         543.60
_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                72.912(5)
_cell_angle_beta                 70.051(4)
_cell_angle_gamma                83.910(5)
_cell_formula_units_Z            2
_cell_length_a                   9.686(4)
_cell_length_b                   10.351(4)
_cell_length_c                   13.230(5)
_cell_measurement_temperature    293(2)
_cell_volume                     1191.8(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 0.979
_diffrn_measured_fraction_theta_max 0.979
_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  0.0181
_diffrn_reflns_av_sigmaI/netI    0.0300
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            4967
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.70
_exptl_absorpt_coefficient_mu    3.939
_exptl_absorpt_correction_T_max  0.8274
_exptl_absorpt_correction_T_min  0.5063
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.515
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             546
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.473
_refine_diff_density_min         -1.011
_refine_diff_density_rms         0.106
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.143
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     261
_refine_ls_number_reflns         4106
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.143
_refine_ls_R_factor_all          0.0388
_refine_ls_R_factor_gt           0.0340
_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^)+(0.0379P)^2^+3.6455P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0894
_refine_ls_wR_factor_ref         0.0911
_reflns_number_gt                3681
_reflns_number_total             4106
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic048683xsi20041217_110648.cif
_cod_data_source_block           f31023c
_cod_database_code               4308454