Double half-cubane copper(II) complexes available from copper(II) 1,1,1,5,5,5-hexafluoropentane-2,4-dionate dissolved in formamides.
Morishita, Yasuhiko; Kogane, Tamizo; Nogami, Takashi; Ishida, Takayuki; Dalton transactions (Cambridge, England : 2003)  (2006) 4438–4443; doi:10.1039/b609128h

data_7007691
_publ_section_title
;
 Double half-cubane copper(II) complexes available from copper(II)
 1,1,1,5,5,5-hexafluoropentane-2,4-dionate dissolved in formamides.
;
_journal_issue                   37
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4438
_journal_page_last               4443
_journal_paper_doi               10.1039/b609128h
_journal_year                    2006
_chemical_formula_moiety         'C33.50 H27.50 Cu4 F30 N2.50 O14.50 '
_chemical_formula_sum            'C33.5 H27.5 Cu4 F30 N2.5 O14.5'
_chemical_formula_weight         1521.23
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                77.82(3)
_cell_angle_beta                 87.67(4)
_cell_angle_gamma                83.96(3)
_cell_formula_units_Z            2
_cell_length_a                   11.987(5)
_cell_length_b                   14.073(5)
_cell_length_c                   14.947(6)
_cell_measurement_reflns_used    25365
_cell_measurement_temperature    88(1)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1.4
_cell_volume                     2450.6(17)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        CrystalStructure
_computing_publication_material  'CrystalStructure 3.7.0'
_computing_structure_refinement  CRYSTALS
_computing_structure_solution    SIR92
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.056
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            23449
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_exptl_absorpt_coefficient_mu    1.892
_exptl_absorpt_correction_T_max  0.828
_exptl_absorpt_correction_T_min  0.674
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
Higashi, T. (1999). Program for Absorption Correction.
Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    2.061
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1496.00
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.73
_refine_diff_density_min         -1.52
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.999
_refine_ls_hydrogen_treatment    refall
_refine_ls_number_parameters     812
_refine_ls_number_reflns         11066
_refine_ls_R_factor_gt           0.0514
_refine_ls_shift/su_max          0.0000
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 1/[0.0020Fo^2^ + 3.0000\s(Fo^2^)]'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0968
_reflns_number_gt                7331
_reflns_number_total             11066
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            b609128h.txt
_cod_data_source_block           '[Cu4(ttpt)2(hfac)2(dmf)2.5]'
_cod_original_formula_sum        'C33.50 H27.50 Cu4 F30 N2.50 O14.50 '
_cod_database_code               7007691