Anionic phenoxy-amido rare-earth complexes as efficient catalysts for amidation of aldehydes with amines
Wang, Chao; Huang, Ling ling; Lu, Min; Zhao, Bei; Wang, Yaorong; Zhang, Yong; Shen, Qi; Yao, Yingming; RSC Adv.  (2015) –; doi:10.1039/C5RA20285J

data_7223091
_publ_section_title
;
 Anionic phenoxy-amido rare-earth complexes as efficient catalysts for
 amidation of aldehydes with amines
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA20285J
_journal_year                    2015
_chemical_formula_moiety         'C56 H86 Br2 Li2 N3 Nd O4 Si2'
_chemical_formula_sum            'C56 H86 Br2 Li2 N3 Nd O4 Si2'
_chemical_formula_weight         1239.40
_space_group_IT_number           110
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_number      110
_symmetry_space_group_name_Hall  'I 4bw -2c'
_symmetry_space_group_name_H-M   'I 41 c d'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-07-14 deposited with the CCDC.
2015-10-28 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   21.6873(19)
_cell_length_b                   21.6873(19)
_cell_length_c                   26.622(3)
_cell_measurement_reflns_used    19547
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.1
_cell_volume                     12521(2)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        CrystalStructure
_computing_publication_material  'CrystalStructure 3.7.0'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_detector_area_resol_mean 14.63
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Rigaku Saturn'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0451
_diffrn_reflns_av_sigmaI/netI    0.1091
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            25396
_diffrn_reflns_theta_full        27.45
_diffrn_reflns_theta_max         27.45
_diffrn_reflns_theta_min         3.06
_exptl_absorpt_coefficient_mu    2.186
_exptl_absorpt_correction_T_max  0.318
_exptl_absorpt_correction_T_min  0.198
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.315
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             5112
_exptl_crystal_size_max          0.80
_exptl_crystal_size_mid          0.60
_exptl_crystal_size_min          0.50
_refine_diff_density_max         0.835
_refine_diff_density_min         -0.858
_refine_diff_density_rms         0.077
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.034(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.099
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     317
_refine_ls_number_reflns         5836
_refine_ls_number_restraints     11
_refine_ls_restrained_S_all      1.102
_refine_ls_R_factor_all          0.0637
_refine_ls_R_factor_gt           0.0479
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0514P)^2^+7.1917P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1099
_refine_ls_wR_factor_ref         0.1199
_reflns_number_gt                4427
_reflns_number_total             5836
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra20285j2.cif
_cod_data_source_block           complex8
_cod_original_cell_volume        12521.6(19)
_cod_database_code               7223091