Systematic study of the formation of the lanthanoid cubane cluster motif mediated by steric modification of diketonate ligands.
Andrews, Philip C.; Gee, William J.; Junk, Peter C.; Maclellan, Jonathan G.; Dalton transactions (Cambridge, England : 2003) 40 (2011) 12169–12179; doi:10.1039/c1dt10580a

data_7017140
_publ_section_title
;
 Systematic study of the formation of the lanthanoid cubane cluster motif
 mediated by steric modification of diketonate ligands.
;
_journal_issue                   45
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12169
_journal_page_last               12179
_journal_paper_doi               10.1039/c1dt10580a
_journal_volume                  40
_journal_year                    2011
_chemical_formula_moiety         'C96 H84 Dy4 N8 O36'
_chemical_formula_sum            'C96 H84 Dy4 N8 O36'
_chemical_formula_weight         2575.71
_space_group_IT_number           114
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P -4 2n'
_symmetry_space_group_name_H-M   'P -4 21 c'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   17.125(2)
_cell_length_b                   17.125(2)
_cell_length_c                   15.993(3)
_cell_measurement_reflns_used    44403
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      24.99
_cell_measurement_theta_min      2.59
_cell_volume                     4690.2(12)
_computing_cell_refinement       'XDS (Kabsch, 1993)'
_computing_data_collection       'Blu-Ice (McPhillips et al, 2002)'
_computing_data_reduction        'XDS (Kabsch, 1993)'
_computing_molecular_graphics    X-SEED
_computing_publication_material  'XCIF V6.12 (BrukerAXS, 2001).'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'ADSC Quantum 210r'
_diffrn_measurement_method       'phi scans'
_diffrn_radiation_monochromator  silicon
_diffrn_radiation_source         'Australian synchrotron MX1'
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.773747856
_diffrn_reflns_av_R_equivalents  0.0424
_diffrn_reflns_av_sigmaI/netI    0.0139
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            44403
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.59
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.244
_exptl_absorpt_correction_T_max  0.9683
_exptl_absorpt_correction_T_min  0.9089
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.824
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             2536
_exptl_crystal_size_max          0.03
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.615
_refine_diff_density_min         -0.827
_refine_diff_density_rms         0.083
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.052(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     325
_refine_ls_number_reflns         3208
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.159
_refine_ls_R_factor_all          0.0211
_refine_ls_R_factor_gt           0.0207
_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^)+(0.0232P)^2^+12.1202P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0517
_refine_ls_wR_factor_ref         0.0519
_reflns_number_gt                3152
_reflns_number_total             3208
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt10580a.txt
_cod_data_source_block           wge036
_cod_original_cell_volume        4690.5(13)
_cod_database_code               7017140