Aminotroponiminate Complexes of the Heavy Alkaline Earth and the Divalent Lanthanide Metals as Catalysts for the Hydroamination/Cyclization Reaction
Datta, Simmi; Gamer, Michael T.; Roesky, Peter W.; Organometallics 27 (2008) 1207–; doi:10.1021/om701014d

data_4070792
_publ_contact_author
;
      Prof. Dr. Peter Roesky
      Freie Universitaet Berlin
      Fabeckstr. 34-36
      14195 Berlin
      Bundesrepublik Deutschland
;
_publ_section_title
;
 Aminotroponiminate Complexes of the Heavy Alkaline Earth and the Divalent
 Lanthanide Metals as Catalysts for the Hydroamination/Cyclization
 Reaction
;
_journal_issue                   6
_journal_name_full               Organometallics
_journal_page_first              1207
_journal_paper_doi               10.1021/om701014d
_journal_volume                  27
_journal_year                    2008
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C27 H53 N3 O2 Si2 Yb'
_chemical_formula_sum            'C27 H53 N3 O2 Si2 Yb'
_chemical_formula_weight         680.94
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_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_date             06-11-09
_audit_creation_method           'STOE X-RED'
_cell_angle_alpha                90.00
_cell_angle_beta                 96.299(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.9810(5)
_cell_length_b                   14.7544(11)
_cell_length_c                   11.2266(7)
_cell_measurement_reflns_used    14550
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      29.59
_cell_measurement_theta_min      2.76
_cell_volume                     1643.29(18)
_computing_cell_refinement       'STOE X-AREA, PLATON (A.L.Spek, 2005)'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED, PLATON (A.L.Spek, 2005)'
_computing_molecular_graphics    'Diamond 2.1e'
_computing_publication_material  'X-STEP32, Microsoft Word'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'STOE IPDS 2T'
_diffrn_measurement_method       'area detector'
_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  0.0730
_diffrn_reflns_av_sigmaI/netI    0.0491
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            8725
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.76
_exptl_absorpt_coefficient_mu    2.944
_exptl_absorpt_correction_T_max  0.7146
_exptl_absorpt_correction_T_min  0.5703
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'STOE X-RED & X-SHAPE'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.376
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             700
_exptl_crystal_size_max          0.324
_exptl_crystal_size_mid          0.202
_exptl_crystal_size_min          0.131
_refine_diff_density_max         1.174
_refine_diff_density_min         -1.384
_refine_diff_density_rms         0.171
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.01(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     326
_refine_ls_number_reflns         5752
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0609
_refine_ls_R_factor_gt           0.0555
_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^)+(0.0697P)^2^+29.7606P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1638
_refine_ls_wR_factor_ref         0.1680
_reflns_number_gt                5304
_reflns_number_total             5752
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om701014d-file001.cif
_cod_data_source_block           6
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4070792