Self-Assembling Fullerenes for Improved Bulk-Heterojunction Photovoltaic Devices
Robert D. Kennedy; Alexander L. Ayzner; Darcy D. Wanger; Christopher T Day; Merissa Halim; Saeed I. Khan; Sarah H. Tolbert; Benjamin J. Schwartz; Yves Rubin; Journal of the American Chemical Society 130 (2008) 17290–17292; doi:10.1021/ja807627u

data_4108898
_publ_section_title
;
 Self-Assembling Fullerenes for Improved Bulk-Heterojunction Photovoltaic
 Devices
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              17290
_journal_page_last               17292
_journal_paper_doi               10.1021/ja807627u
_journal_volume                  130
_journal_year                    2008
_chemical_formula_moiety         '2(C95 H35), 0.5(c14 H16), C7 H8'
_chemical_formula_sum            'C204 H86'
_chemical_formula_weight         2536.73
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 92.545(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.469(3)
_cell_length_b                   18.464(3)
_cell_length_c                   38.870(7)
_cell_measurement_reflns_used    6666
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      22.21
_cell_measurement_theta_min      3.83
_cell_volume                     11808(4)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '\w and phi 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  0.1491
_diffrn_reflns_av_sigmaI/netI    0.1493
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       43
_diffrn_reflns_limit_l_min       -43
_diffrn_reflns_number            69514
_diffrn_reflns_theta_full        23.29
_diffrn_reflns_theta_max         23.29
_diffrn_reflns_theta_min         3.84
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.9919
_exptl_absorpt_correction_T_min  0.9493
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Bruker)'
_exptl_crystal_colour            'light red'
_exptl_crystal_density_diffrn    1.427
_exptl_crystal_description       platelet
_exptl_crystal_F_000             5240
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.405
_refine_diff_density_min         -0.383
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.969
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1817
_refine_ls_number_reflns         16895
_refine_ls_number_restraints     1184
_refine_ls_restrained_S_all      0.934
_refine_ls_R_factor_all          0.1632
_refine_ls_R_factor_gt           0.0640
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0665P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1243
_refine_ls_wR_factor_ref         0.1643
_reflns_number_gt                8323
_reflns_number_total             16895
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja807627u_si_004.cif
_cod_data_source_block           yr606s
_cod_original_sg_symbol_H-M      ' P 21/c'
_cod_database_code               4108898