Distinct C−H Bond Activation Pathways in Diamido-Pyridine-Supported Rare-Earth Metal Hydrocarbyl Complexes
Zimmermann, Melanie; Estler, Frank; Herdtweck, Eberhardt; Törnroos, Karl W.; Anwander, Reiner; Organometallics 26 (2007) 6029–; doi:10.1021/om700830k

data_4074028
_publ_section_title
;
 Distinct C&#x2212;H Bond Activation Pathways in
 Diamido-Pyridine-Supported Rare-Earth Metal Hydrocarbyl Complexes
;
_journal_issue                   24
_journal_name_full               Organometallics
_journal_page_first              6029
_journal_paper_doi               10.1021/om700830k
_journal_volume                  26
_journal_year                    2007
_chemical_formula_moiety         'C35 H53 Al2 N3'
_chemical_formula_sum            'C35 H53 Al2 N3'
_chemical_formula_weight         569.76
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 101.9190(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.1535(13)
_cell_length_b                   9.1668(6)
_cell_length_c                   18.2870(11)
_cell_measurement_reflns_used    4773
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      23.01
_cell_measurement_theta_min      2.28
_cell_volume                     3469.6(4)
_computing_cell_refinement
;
Bruker (2004). SAINT, version 6.45a, Bruker AXS Inc., Madison, 
Wisconsin, USA.
;
_computing_data_collection
;
Bruker (1999). SMART, version 5.054, Bruker AXS Inc., Madison, 
Wisconsin, USA.
;
_computing_data_reduction
;
Bruker (2004). SAINT, version 6.45a, Bruker AXS Inc., Madison, 
Wisconsin, USA.
;
_computing_molecular_graphics
;
Brandenburg, K. (2005). DIAMOND. Version 3.1. Crystal Impact GbR, Bonn, 
Germany.
;
_computing_publication_material
;
Bruker AXS (2003). SHELXTL. Version 6.14. Bruker AXS Inc., Madison, 
Wisconsin, USA.
;
_computing_structure_refinement
;
Sheldrick, G. M. (1997). SHELXS97 and SHELXL97. University of 
G\"ottingen, Germany.
;
_computing_structure_solution
;     
Sheldrick, G. M. (1997). SHELXS97 and SHELXL97. University of 
G\"ottingen, Germany. 
;
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean '48 \um'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker-AXS SMART 2K CCD'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1960
_diffrn_reflns_av_sigmaI/netI    0.1235
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            39476
_diffrn_reflns_theta_full        25.08
_diffrn_reflns_theta_max         25.08
_diffrn_reflns_theta_min         2.28
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 1
_diffrn_standards_interval_time  28h
_diffrn_standards_number         138
_exptl_absorpt_coefficient_mu    0.110
_exptl_absorpt_correction_T_max  0.99603
_exptl_absorpt_correction_T_min  0.98089
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
Bruker AXS (2003). SHELXTL. Version 6.14. 
Bruker AXS Inc., Madison, Wisconsin, USA. 
;
_exptl_crystal_colour            colurless
_exptl_crystal_density_diffrn    1.091
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       lath
_exptl_crystal_F_000             1240
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.075
_exptl_crystal_size_min          0.0375
_refine_diff_density_max         0.280
_refine_diff_density_min         -0.278
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.987
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     373
_refine_ls_number_reflns         6145
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.987
_refine_ls_R_factor_all          0.1560
_refine_ls_R_factor_gt           0.0544
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0343P)^2^+2.9254P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0977
_refine_ls_wR_factor_ref         0.1332
_reflns_number_gt                3052
_reflns_number_total             6145
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om700830k-file002.cif
_cod_data_source_block           Compound5
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4074028