#------------------------------------------------------------------------------
#$Date: 2016-02-20 01:53:41 +0100 (Sat 20 de Feb de 2016) $
#$Revision: 176768 $
#$URL: svn://www.crystallography.net/cod/cif/2/10/21/2102166.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2102166
loop_
_publ_author_name
'Blanc, Eric'
'Restori, Renzo'
'Schwarzenbach, Dieter'
'Bürgi, Hans-Beat'
'Förtsch, Marcel'
'Venugopalan, Paloth'
'Ermer, Otto'
_publ_section_title
;
 Orientational disorder as a function of temperature in the clathrate
 structure of hydroquinone and C₆₀
;
_journal_coeditor_code           BK0080
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              1003
_journal_page_last               1010
_journal_paper_doi               10.1107/S0108768100007564
_journal_volume                  56
_journal_year                    2000
_chemical_formula_moiety         '(C6 H6 O2)3,C60'
_chemical_formula_sum            'C78 H18 O6'
_chemical_formula_weight         1050.996
_chemical_name_common            'tris-hydroquinone fullerene'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           166
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3 2"'
_symmetry_space_group_name_H-M   'R -3 m :H'
_cell_angle_alpha                90.0
_cell_angle_beta                 90.0
_cell_angle_gamma                120.0
_cell_formula_units_Z            3
_cell_length_a                   16.119(2)
_cell_length_b                   16.119(2)
_cell_length_c                   13.687(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    100
_cell_measurement_theta_max      26.3
_cell_measurement_theta_min      8.7
_cell_volume                     3079.7(7)
_computing_cell_refinement       'CAD-4 software'
_computing_data_collection       'CAD-4 software'
_computing_data_reduction        'local software'
_computing_molecular_graphics
; ATOMS, Dowty (1993), Shape Software. 521 Hidden Valley Road, 
Kingsport TN 37663, USA.
;
_computing_structure_refinement  'local software, adaptation of LSLS'
_computing_structure_solution    'trial and error'
_diffrn_ambient_temperature      100
_diffrn_measurement_device_type  'Enraf-Nonius CAD-4 diffractometer'
_diffrn_measurement_method       ω
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.710769
_diffrn_reflns_av_R_equivalents  0.0147
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            3481
_diffrn_reflns_theta_max         30.0
_diffrn_standards_decay_%        10.0
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.1075
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            dark_brown-red
_exptl_crystal_density_diffrn    1.700
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1602
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.33
_refine_diff_density_max         0.4
_refine_diff_density_min         -0.4
_refine_ls_extinction_coef
;
;
_refine_ls_extinction_expression 'Becker & Coppens (1974)'
_refine_ls_extinction_method     'Becker & Coppens (1974)'
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     85
_refine_ls_number_reflns         1106
_refine_ls_number_restraints     68
_refine_ls_restrained_S_all      3.807
_refine_ls_R_factor_gt           0.0355
_refine_ls_shift/su_max          0.01
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_ref         0.0574
_reflns_number_gt                823
_reflns_number_total             1106
_reflns_threshold_expression     I>3σ(I)
_cod_data_source_file            bk0080.cif
_cod_data_source_block           100K
_cod_original_cell_volume        3079.5(9)
_cod_original_sg_symbol_H-M      'R -3 m'
_cod_database_code               2102166
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-y, x-y, z'
'-x+y, -x, z'
'x-y, -y, -z'
'-x, -x+y, -z'
'y, x, -z'
'-x, -y, -z'
'y, -x+y, -z'
'x-y, x, -z'
'-x+y, y, z'
'x, x-y, z'
'-y, -x, z'
'x-1/3, y+1/3, z+1/3'
'-y-1/3, x-y+1/3, z+1/3'
'-x+y-1/3, -x+1/3, z+1/3'
'x-y-1/3, -y+1/3, -z+1/3'
'-x-1/3, -x+y+1/3, -z+1/3'
'y-1/3, x+1/3, -z+1/3'
'-x-1/3, -y+1/3, -z+1/3'
'y-1/3, -x+y+1/3, -z+1/3'
'x-y-1/3, x+1/3, -z+1/3'
'-x+y-1/3, y+1/3, z+1/3'
'x-1/3, x-y+1/3, z+1/3'
'-y-1/3, -x+1/3, z+1/3'
'x+1/3, y-1/3, z-1/3'
'-y+1/3, x-y-1/3, z-1/3'
'-x+y+1/3, -x-1/3, z-1/3'
'x-y+1/3, -y-1/3, -z-1/3'
'-x+1/3, -x+y-1/3, -z-1/3'
'y+1/3, x-1/3, -z-1/3'
'-x+1/3, -y-1/3, -z-1/3'
'y+1/3, -x+y-1/3, -z-1/3'
'x-y+1/3, x-1/3, -z-1/3'
'-x+y+1/3, y-1/3, z-1/3'
'x+1/3, x-y-1/3, z-1/3'
'-y+1/3, -x-1/3, z-1/3'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
C4 C .26185(2) .13093(1) .59647(2) .01469(12) Uani
O4 O .19128(2) .09564(1) .52590(2) .02748(9) Uani
C5 C .29761(2) .07461(2) .63151(2) .01634(10) Uani
H4 H .1641(4) .1213(5) .5139(5) .057(2) Uiso
H5 H .27155(16) .00903(17) .60727(16) .0171(6) Uiso
C103 C .01121(3) -.03939(3) .25305(3) .01999(11) Utls
C104 C -.08454(3) -.11505(3) .22847(3) .01919(11) Utls
C105 C -.14371(4) -.07185(2) .21317(4) .01831(11) Utls
C106 C -.21277(4) -.10639(2) .14028(4) .01680(11) Utls
C109 C -.24707(4) -.16842(4) -.01893(4) .01628(11) Utls
C110 C -.22594(3) -.18566(3) .07958(3) .01651(11) Utls
C111 C -.16967(3) -.22742(4) .09436(3) .01765(11) Utls
C112 C -.09723(3) -.19122(3) .17031(2) .01881(10) Utls
C113 C -.01454(3) -.19459(4) .13371(4) .01924(11) Utls
C114 C -.03595(4) -.23305(5) .03548(4) .01897(12) Utls
C115 C -.13185(3) -.25368(4) .01121(3) .01827(11) Utls
C116 C -.15143(4) -.23647(4) -.08310(3) .01823(11) Utls
C117 C -.21135(4) -.19410(5) -.09847(3) .01745(11) Utls
C118 C -.17352(4) -.12978(5) -.18151(4) .01857(11) Utls
C119 C -.09032(3) -.13267(5) -.21750(3) .01954(10) Utls
C120 C -.07712(3) -.19902(4) -.15680(4) .01923(10) Utls
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
C4 .01174(17) .01716(13) .01337(16) .00587(9) .00208(14) .00104(7)
O4 .01988(15) .03597(15) .02123(14) .00994(8) -.00633(12) -.00316(6)
C5 .01829(14) .01201(13) .01784(12) .00692(11) .00339(10) .00014(10)
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
La La -0.2871 2.4523 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
