A self-assembled Cu(ii)(4) [2 ×2] grid with organic radicals.
Shuvaev, Konstantin V.; Sproules, Stephen; Rautiainen, J. Mikko; McInnes, Eric J. L.; Collison, David; Anson, Christopher E.; Powell, Annie K.; Dalton transactions (Cambridge, England : 2003) 42 (2013) 2371–2381; doi:10.1039/c2dt31946b

data_7020771
_publ_section_title
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 A self-assembled Cu(ii)(4) [2 \\times 2] grid with organic radicals.
;
_journal_issue                   7
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2371
_journal_page_last               2381
_journal_paper_doi               10.1039/c2dt31946b
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety
'C76 H87.5 B4 Cu4 F16 N28 O8.5, 4(B F4), (C H4 O)'
_chemical_formula_sum            'C77 H91.5 B4 Cu4 F16 N28 O9.5'
_chemical_formula_weight         2162.68
_chemical_name_systematic
;
?
;
_space_group_IT_number           88
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_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                   24.891(4)
_cell_length_b                   24.891(4)
_cell_length_c                   14.388(3)
_cell_measurement_reflns_used    7655
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      26.14
_cell_measurement_theta_min      1.63
_cell_volume                     8914(3)
_computing_cell_refinement       'X-Area 1.38 (Stoe & Cie GmbH, 2006)'
_computing_data_collection       'WinXpose 1.6.8 (Stoe & Cie GmbH, 2004)'
_computing_data_reduction        'X-Area 1.38 (Stoe & Cie GmbH, 2006)'
_computing_molecular_graphics    'Diamond 2.1 (Crystal Impact, 1998)'
_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      150(2)
_diffrn_detector_area_resol_mean 6.667
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Stoe IPDS II'
_diffrn_measurement_method       'area detector'
_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  0.0570
_diffrn_reflns_av_sigmaI/netI    0.0622
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            18620
_diffrn_reflns_theta_full        25.25
_diffrn_reflns_theta_max         26.40
_diffrn_reflns_theta_min         2.31
_exptl_absorpt_coefficient_mu    1.047
_exptl_absorpt_correction_T_max  0.622
_exptl_absorpt_correction_T_min  0.521
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
XPREP in SHELXTL 6.14 (BrukerAXS Inc., 2003)
;
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.599
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4390
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.21
_platon_squeeze_details
;
Spek, A.L. (2003), J.Appl.Cryst. 36, 7-13
;
_refine_diff_density_max         1.113
_refine_diff_density_min         -0.579
_refine_diff_density_rms         0.088
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.993
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         4485
_refine_ls_number_restraints     21
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.0941
_refine_ls_R_factor_gt           0.0604
_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^)+(0.0964P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1491
_refine_ls_wR_factor_ref         0.1612
_reflns_number_gt                2888
_reflns_number_total             4485
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt31946b.txt
_cod_data_source_block           ks-90s
_cod_original_cell_volume        8915(3)
_cod_original_sg_symbol_H-M      'I 41/a'
_cod_database_code               7020771