Series of Isostructural Planar Lanthanide Complexes [LnIII4(μ3-OH)2(mdeaH)2(piv)8] with Single Molecule Magnet Behavior for the Dy4 Analogue
Ghulam Abbas; Yanhua Lan; George E. Kostakis; Wolfgang Wernsdorfer; Christopher E. Anson; Annie K. Powell; Inorganic Chemistry 49 (2010) 8067–8072; doi:10.1021/ic1011605

data_4316442
_publ_contact_author
; 
Annie K. Powell
;
_publ_contact_author_email       annie.powell@kit.edu
_publ_contact_author_phone       '+49 721 608 2135'
_publ_section_title
;
 Series of Isostructural Planar Lanthanide Complexes
 [LnIII4(\m3-OH)2(mdeaH)2(piv)8] with Single Molecule Magnet Behavior for
 the Dy4 Analogue
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8067
_journal_page_last               8072
_journal_paper_doi               10.1021/ic1011605
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C50 H98 Er4 N2 O22'
_chemical_formula_weight         1748.34
_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                109.510(1)
_cell_angle_beta                 98.647(1)
_cell_angle_gamma                102.853(1)
_cell_formula_units_Z            1
_cell_length_a                   11.5786(6)
_cell_length_b                   12.4649(7)
_cell_length_c                   12.7065(7)
_cell_measurement_reflns_used    4373
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      24.92
_cell_measurement_theta_min      2.18
_cell_volume                     1634.15(15)
_computing_cell_refinement       'SMART-NT 5.6 (Bruker AXS Inc., 2005)'
_computing_data_collection       'SMART-NT 5.6 (Bruker AXS Inc., 2005)'
_computing_data_reduction        'SAINT+ 6.45 (Bruker AXS Inc., 2003)'
_computing_molecular_graphics    'SHELXTL 6.14 (BrukerAXS Inc., 2003)'
_computing_publication_material  'SHELXTL 6.14 (BrukerAXS Inc., 2003)'
_computing_structure_refinement  'SHELXTL 6.14 (BrukerAXS Inc., 2003)'
_computing_structure_solution    'SHELXTL 6.14 (BrukerAXS Inc., 2003)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.891
_diffrn_measurement_device_type  'Bruker SMART Apex'
_diffrn_measurement_method       'CCD area detector'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0282
_diffrn_reflns_av_sigmaI/netI    0.0516
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            11442
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.10
_diffrn_reflns_theta_min         1.75
_exptl_absorpt_coefficient_mu    5.152
_exptl_absorpt_correction_T_max  0.515
_exptl_absorpt_correction_T_min  0.422
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker AXS Inc., 2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.777
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             860
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.13
_refine_diff_density_max         2.507
_refine_diff_density_min         -0.858
_refine_diff_density_rms         0.179
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     377
_refine_ls_number_reflns         7106
_refine_ls_number_restraints     92
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0592
_refine_ls_R_factor_gt           0.0434
_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^)+(0.0516P)^2^+2.4605P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0966
_refine_ls_wR_factor_ref         0.1046
_reflns_number_gt                5660
_reflns_number_total             7106
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic1011605_si_002_4.cif
_cod_data_source_block           ga19
_cod_original_cell_volume        1634.14(15)
_cod_database_code               4316442