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_7001663
_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
'C46 H68 N5 O2 Si2 Sm, 2(C4 H8 O), 0.5(C6 H14)'
_chemical_formula_sum            'C57 H91 N5 O4 Si2 Sm'
_chemical_formula_weight         1116.88
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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                 103.296(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.7307(15)
_cell_length_b                   16.2318(16)
_cell_length_c                   28.992(3)
_cell_measurement_reflns_used    16681
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.0
_cell_volume                     6288.4(11)
_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 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0312
_diffrn_reflns_av_sigmaI/netI    0.0555
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            25627
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         3.05
_exptl_absorpt_coefficient_mu    1.015
_exptl_absorpt_correction_T_max  0.784
_exptl_absorpt_correction_T_min  0.548
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.180
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2360
_exptl_crystal_size_max          1.00
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.956
_refine_diff_density_min         -0.873
_refine_diff_density_rms         0.098
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.119
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     602
_refine_ls_number_reflns         11635
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      1.125
_refine_ls_R_factor_all          0.0660
_refine_ls_R_factor_gt           0.0544
_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^)+(0.0670P)^2^+8.2476P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1393
_refine_ls_wR_factor_ref         0.1474
_reflns_number_gt                9960
_reflns_number_total             11635
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b904580e.txt
_cod_data_source_block           complex4
_cod_original_cell_volume        6288.4(12)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7001663