Calixarene-supported FeIII2LnIII2 clusters
Sergio Sanz; Kerry Ferreira; Ruaraidh McIntosh; Scott Dalgarno; Euan Brechin; Chem.Commun. 47 (2011) 9042–; doi:10.1039/c1cc13055b

data_7106748
_publ_section_title
;
 Calixarene-supported FeIII2LnIII2 clusters
;
_journal_name_full               Chem.Commun.
_journal_page_first              9042
_journal_paper_doi               10.1039/c1cc13055b
_journal_volume                  47
_journal_year                    2011
_chemical_formula_sum            'C110 H157 Cl Dy2 Fe2 N8 O18'
_chemical_formula_weight         2351.59
_chemical_name_common            S124
_chemical_name_systematic
;
?
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_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            4
_cell_length_a                   19.5864(13)
_cell_length_b                   38.560(2)
_cell_length_c                   15.7383(10)
_cell_measurement_reflns_used    9779.
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.06.
_cell_measurement_theta_min      2.45.
_cell_volume                     11886.4(13)
_computing_cell_refinement       'SAINT (Bruker, 1998)'
_computing_data_collection       'Apex II'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics    'XSeed (Barbour, 2001)'
_computing_publication_material  'local program'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker Apex II CCD Diffractometer'
_diffrn_measurement_method       '\f and \w 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  0.0656
_diffrn_reflns_av_sigmaI/netI    0.0321
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       48
_diffrn_reflns_limit_k_min       -48
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            186494
_diffrn_reflns_theta_full        26.48
_diffrn_reflns_theta_max         26.48
_diffrn_reflns_theta_min         1.66
_exptl_absorpt_coefficient_mu    1.567
_exptl_absorpt_correction_T_max  0.6954
_exptl_absorpt_correction_T_min  0.6100
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Bruker-SADABS
_exptl_crystal_colour            Brown
_exptl_crystal_density_diffrn    1.314
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             4872
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_diff_density_max         4.067
_refine_diff_density_min         -2.108
_refine_diff_density_rms         0.128
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.112
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     672
_refine_ls_number_reflns         12378
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.112
_refine_ls_R_factor_all          0.0635
_refine_ls_R_factor_gt           0.0507
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0471P)^2^+57.7003P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1168
_refine_ls_wR_factor_ref         0.1218
_reflns_number_gt                10370
_reflns_number_total             12378
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1cc13055b.txt
_cod_data_source_block           S124
_cod_original_cell_volume        11886.3(13)
_cod_original_sg_symbol_H-M      Pnma
_cod_database_code               7106748