#------------------------------------------------------------------------------ #$Date: 2009-11-16 01:43:51 +0000 (Mon, 16 Nov 2009) $ #$Revision: 853 $ #$URL: svn://www.crystallography.net/cod/cif/2/2102166.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 _space_group_IT_number 166 _symmetry_space_group_name_Hall '-R 3 2"' _symmetry_space_group_name_H-M 'R -3 m :H' _[local]_cod_cif_authors_sg_H-M 'R -3 m' loop_ _publ_author_name 'Blanc, Eric' 'Restori, Renzo' 'Schwarzenbach, Dieter' 'B\"urgi, Hans-Beat' 'F\"ortsch, Marcel' 'Venugopalan, Paloth' 'Ermer, Otto' _publ_section_title ; Orientational disorder as a function of temperature in the clathrate structure of hydroquinone and C~60~ ; _journal_issue 6 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 1003 _journal_page_last 1010 _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 ; ? ; _symmetry_cell_setting trigonal _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 3079.5(9) _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 \w _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>3\s(I) _[local]_cod_data_source_file bk0080.cif 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_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' 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)