Structural Variations in (CuL)2Ln Complexes of a Series of Lanthanide Ions with Salen-Type Unsymmetrical Schiff Base(H2L): The Dy and Tb Derivatives as Potential Single-Molecule Magnets
Mahapatra, Prithwish; Ghosh, Soumavo; Koizumi, Naoki; Kanetomo, Takuya; Ishida, Takayuki; Drew, Michael G.B; Ghosh, Ashutosh; Dalton Trans.  (2017) –; doi:10.1039/C7DT02061A

data_7043949
_publ_section_title
;
 Structural Variations in (CuL)2Ln Complexes of a Series of Lanthanide
 Ions with Salen-Type Unsymmetrical Schiff Base(H2L): The Dy and Tb
 Derivatives as Potential Single-Molecule Magnets
;
_journal_name_full               'Dalton Trans.'
_journal_paper_doi               10.1039/C7DT02061A
_journal_year                    2017
_chemical_formula_sum            'C39 H40.5 Cu2 Er N8.5 O13'
_chemical_formula_weight         1130.64
_space_group_crystal_system      monoclinic
_space_group_IT_number           9
_space_group_name_Hall           'C -2yc'
_space_group_name_H-M_alt        'C 1 c 1'
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2017-07-31 deposited with the CCDC.
2017-08-10 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 100.324(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.212(5)
_cell_length_b                   20.369(5)
_cell_length_c                   23.068(5)
_cell_measurement_reflns_used    15287
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.337
_cell_measurement_theta_min      1.795
_cell_volume                     4721(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    PLATON(Spek,2004)
_computing_publication_material
'SHELXL-2016/6, PLATON, WINGX (Ferrugia, 2012)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0741
_diffrn_reflns_av_unetI/netI     0.1218
_diffrn_reflns_Laue_measured_fraction_full 0.984
_diffrn_reflns_Laue_measured_fraction_max 0.979
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            15287
_diffrn_reflns_point_group_measured_fraction_full 0.984
_diffrn_reflns_point_group_measured_fraction_max 0.979
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.337
_diffrn_reflns_theta_min         1.795
_exptl_absorpt_coefficient_mu    2.722
_exptl_absorpt_correction_T_max  0.922
_exptl_absorpt_correction_T_min  0.877
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.591
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             2256
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.03
_refine_diff_density_max         1.588
_refine_diff_density_min         -3.229
_refine_diff_density_rms         0.206
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.06(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.082
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     277
_refine_ls_number_reflns         7816
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.082
_refine_ls_R_factor_all          0.1385
_refine_ls_R_factor_gt           0.1022
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0989P)^2^+135.1464P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2387
_refine_ls_wR_factor_ref         0.2576
_reflns_Friedel_coverage         0.997
_reflns_Friedel_fraction_full    0.984
_reflns_Friedel_fraction_max     0.979
_reflns_number_gt                5486
_reflns_number_total             7816
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7dt02061a2.cif
_cod_data_source_block           5
_cod_original_formula_sum        'C39 H40.50 Cu2 Er N8.50 O13'
_cod_database_code               7043949
_shelx_shelxl_version_number     2016/6
_shelx_res_checksum              84001