Migration of amide to imine group of lanthanide Schiff base complexes: effect of amido group
Qin, Duwei; Han, Fubin; Yao, Yingming; Zhang, Yong; Shen, Qi; Dalton Transactions  (2009) 5535–5541; doi:10.1039/b904580e

data_7001661
_publ_section_title
;
 Migration of amide to imine group of lanthanide Schiff base complexes:
 effect of amido group
;
_journal_issue                   28
_journal_name_full               'Dalton Transactions'
_journal_page_first              5535
_journal_page_last               5541
_journal_paper_doi               10.1039/b904580e
_journal_year                    2009
_chemical_formula_moiety         'C56 H86 Li N6 O3 Sm'
_chemical_formula_sum            'C56 H86 Li N6 O3 Sm'
_chemical_formula_weight         1048.60
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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                 93.388(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.3390(14)
_cell_length_b                   24.566(3)
_cell_length_c                   21.831(3)
_cell_measurement_reflns_used    17477
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.1
_cell_volume                     5535.1(13)
_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      223(2)
_diffrn_detector_area_resol_mean 14.63
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.0549
_diffrn_reflns_av_sigmaI/netI    0.0609
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            43498
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.11
_exptl_absorpt_coefficient_mu    1.107
_exptl_absorpt_correction_T_max  0.866
_exptl_absorpt_correction_T_min  0.638
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.258
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2212
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.510
_refine_diff_density_min         -0.871
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     625
_refine_ls_number_reflns         12576
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0747
_refine_ls_R_factor_gt           0.0663
_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^)+(0.0834P)^2^+13.5308P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1688
_refine_ls_wR_factor_ref         0.1752
_reflns_number_gt                11512
_reflns_number_total             12576
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b904580e.txt
_cod_data_source_block           complex2
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7001661