The former "C60F16" is actually a double-caged adduct: (C60F16)(C60).
Goryunkov, Alexey A; Ioffe, Ilya N; Khavrel, Pavel A; Avdoshenko, Stanislav M; Markov, Vitaly Yu; Mazej, Z; Sidorov, Lev N; Troyanov, Sergey I; Chemical communications (Cambridge, England)  (2007) 704–706; doi:10.1039/b615457c

data_7101712
_publ_section_title
;
 The former "C60F16" is actually a double-caged adduct: (C60F16)(C60).
;
_journal_issue                   7
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              704
_journal_page_last               706
_journal_paper_doi               10.1039/b615457c
_journal_year                    2007
_chemical_formula_moiety         '(C60F16)(C60) 2C7H8 2C6..'
_chemical_formula_sum            'C146 H16 F16'
_chemical_formula_weight         2073.59
_chemical_name_systematic
;
?
;
_space_group_IT_number           11
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 1'
_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                 106.687(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.1816(5)
_cell_length_b                   21.1070(10)
_cell_length_c                   18.2770(10)
_cell_measurement_reflns_used    9000
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30
_cell_measurement_theta_min      6
_cell_volume                     4131.9(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.513
_diffrn_measured_fraction_theta_max 0.513
_diffrn_measurement_device_type  MAR345
_diffrn_radiation_monochromator  Cu(113)
_diffrn_radiation_source         'BL14.2, PSF, BESSY, Berlin, Germany'
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.91000
_diffrn_reflns_av_R_equivalents  0.0903
_diffrn_reflns_av_sigmaI/netI    0.0692
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            12501
_diffrn_reflns_theta_full        33.55
_diffrn_reflns_theta_max         33.5
_diffrn_reflns_theta_min         1.94
_exptl_absorpt_coefficient_mu    0.122
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.667
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2072
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.416
_refine_diff_density_min         -0.292
_refine_diff_density_rms         0.078
_refine_ls_extinction_coef       0.0022(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.355
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     706
_refine_ls_number_reflns         4094
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.355
_refine_ls_R_factor_all          0.1103
_refine_ls_R_factor_gt           0.0756
_refine_ls_shift/su_max          0.011
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0850P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1815
_refine_ls_wR_factor_ref         0.1944
_reflns_number_gt                2753
_reflns_number_total             4094
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b615457c.txt
_cod_data_source_block           fgp17c
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/m
_cod_database_code               7101712