Versatile lanthanide coordination assemblies due to the synergistic effect of lanthanide contraction and flexibility of a flexible tricarboxylate ligand
Wang, Su-Na; Sun, Ran; Wang, Xiao-Shi; Li, Yi-Zhi; Pan, Yi; Bai, Junfeng; Scheer, Manfred; You, Xiao-Zeng; CrystEngComm 9 (2007) 1051–; doi:10.1039/b708104a

data_7203007
_publ_section_title
;
 Versatile lanthanide coordination assemblies due to the synergistic
 effect of lanthanide contraction and flexibility of a flexible
 tricarboxylate ligand
;
_journal_issue                   11
_journal_name_full               CrystEngComm
_journal_page_first              1051
_journal_paper_doi               10.1039/b708104a
_journal_volume                  9
_journal_year                    2007
_chemical_formula_moiety         'C18 H24 Er2 N6 O18 S6, 6(H2 O)'
_chemical_formula_sum            'C18 H36 Er2 N6 O24 S6'
_chemical_formula_weight         1247.41
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                70.289(2)
_cell_angle_beta                 86.198(2)
_cell_angle_gamma                79.714(2)
_cell_formula_units_Z            1
_cell_length_a                   8.5663(11)
_cell_length_b                   10.8794(15)
_cell_length_c                   10.9674(15)
_cell_measurement_reflns_used    4056
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      28.00
_cell_measurement_theta_min      2.41
_cell_volume                     946.7(2)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Bruker, 2000)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker Smart Aepex 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  0.0207
_diffrn_reflns_av_sigmaI/netI    0.0411
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            5001
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.97
_exptl_absorpt_coefficient_mu    4.829
_exptl_absorpt_correction_T_max  0.38
_exptl_absorpt_correction_T_min  0.25
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Brucker(2000)'
_exptl_crystal_colour            'light pink'
_exptl_crystal_density_diffrn    2.188
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             610
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.991
_refine_diff_density_min         -1.997
_refine_diff_density_rms         0.160
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         3282
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0322
_refine_ls_R_factor_gt           0.0294
_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^)+(0.0466P)^2^+1.2694P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0760
_refine_ls_wR_factor_ref         0.0780
_reflns_number_gt                3042
_reflns_number_total             3282
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b708104a.txt
_cod_data_source_block           060120d
_cod_database_code               7203007