Synthesis of β-diketiminate-ligated bimetallic and monometallic lanthanide amide complexes and their reactivity with isoprene and AlMe3.
Sun, Song; Ouyang, Hao; Luo, Yunjie; Zhang, Yong; Shen, Qi; Yao, Yingming; Dalton transactions (Cambridge, England : 2003) 42 (2013) 16355–16364; doi:10.1039/c3dt52014e

data_7023946
_publ_section_title
;
 Synthesis of \b-diketiminate-ligated bimetallic and monometallic
 lanthanide amide complexes and their reactivity with isoprene and AlMe3.
;
_journal_issue                   46
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              16355
_journal_page_last               16364
_journal_paper_doi               10.1039/c3dt52014e
_journal_volume                  42
_journal_year                    2013
_chemical_formula_sum            'C31 H53 Al2 N2 Y'
_chemical_formula_weight         596.62
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 98.252(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.6433(12)
_cell_length_b                   20.8974(18)
_cell_length_c                   13.2484(13)
_cell_measurement_reflns_used    13388
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.3491
_cell_measurement_theta_min      3.0957
_cell_volume                     3464.1(6)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        CrystalStructure
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0510
_diffrn_reflns_av_sigmaI/netI    0.0389
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            33231
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         3.10
_exptl_absorpt_coefficient_mu    1.754
_exptl_absorpt_correction_T_max  0.5406
_exptl_absorpt_correction_T_min  0.3344
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.144
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1272
_exptl_crystal_size_max          0.80
_exptl_crystal_size_mid          0.70
_exptl_crystal_size_min          0.40
_refine_diff_density_max         0.431
_refine_diff_density_min         -0.420
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     384
_refine_ls_number_reflns         6331
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0701
_refine_ls_R_factor_gt           0.0578
_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^)+(0.0660P)^2^+2.9367P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1320
_refine_ls_wR_factor_ref         0.1386
_reflns_number_gt                5521
_reflns_number_total             6331
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt52014e.txt
_cod_data_source_block           complex8
_cod_database_code               7023946