#------------------------------------------------------------------------------
#$Date: 2016-02-20 02:53:41 +0200 (Sat, 20 Feb 2016) $
#$Revision: 176768 $
#$URL: svn://www.crystallography.net/cod/cif/2/10/38/2103811.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_2103811
loop_
_publ_author_name
'Small, Ronald W. H.'
_publ_section_title
;
 An X-ray diffraction study of partially ordered electron density in
 clathrates of Dianin's compound that include simple carboxylic acids
;
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              141
_journal_page_last               148
_journal_paper_doi               10.1107/S0108768102022395
_journal_volume                  59
_journal_year                    2003
_chemical_formula_moiety         '3(C18 H20 O2), (C2 H4 O2)'
_chemical_formula_structural     '(C18 H20 O2), 1/3(C2 H4 O2)'
_chemical_formula_sum            'C56 H64 O8'
_chemical_formula_weight         865.14
_chemical_name_common            'Dianins compound-formic acid'
_chemical_name_systematic
;
 [4-p-hydroxyphenyl-2,2,4-trimethylchroman]-acetic acid
;
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            6
_cell_length_a                   27.19(2)
_cell_length_b                   27.19(2)
_cell_length_c                   11.060(10)
_cell_measurement_reflns_used    15
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      22.5
_cell_measurement_theta_min      5
_cell_volume                     7081(10)
_computing_cell_refinement       local
_computing_data_collection       'Stoe STADI-2'
_computing_data_reduction        SMALL
_computing_molecular_graphics    SNOOPI
_computing_publication_material  'PLATON (Spek, 1990)'
_computing_structure_refinement  SHELX76
_computing_structure_solution    MULTAN87
_diffrn_ambient_temperature      293(2)
_diffrn_measurement_device_type  'Stoe STADI-2 two circle diffractometer'
_diffrn_measurement_method
;
 variable ω scan 2θ' fixed, where the angle θ'is the projection
 of θ on the equatorial plane
;
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine focus sealed tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.047
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            4483
_diffrn_reflns_reduction_process
;
 ?
;
_diffrn_reflns_theta_max         22.5
_diffrn_reflns_theta_min         1.5
_diffrn_standards_decay_%        'maximum 5% corrected by interpolation'
_diffrn_standards_interval_count 20
_diffrn_standards_number         ' one per layer'
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.216
_exptl_crystal_density_method    'Not Measured, see text'
_exptl_crystal_description       'acicular, hexagonal prism'
_exptl_crystal_F_000             2778
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.42
_refine_diff_density_min         -0.38
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.45
_refine_ls_hydrogen_treatment    ' see text '
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     215
_refine_ls_number_reflns         1165
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.074
_refine_ls_R_factor_gt           0.064
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.0
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 1/[σ²(F) + 0.0002F²]'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.068
_refine_ls_wR_factor_ref         0.082
_reflns_number_gt                1165
_reflns_number_total             1535
_reflns_threshold_expression     refl_obs_if_F_>_6.0_sigma(F)
_cod_data_source_file            bm0059.cif
_cod_data_source_block           DIA
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal' 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 

The following automatic conversions were performed:

'_chemical_melting_point' value 'not measured' was changed to '?' -
the value is undefined or not given.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_chemical_melting_point' value 'not measured' was changed to '?' -
the value is undefined or not given.

'_symmetry_cell_setting' value
'Trigonal' changed to 'trigonal' 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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'R -3'
_cod_database_code               2103811
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,x-y,z
-x+y,-x,z
-x,-y,-z
y,-x+y,-z
x-y,x,-z
1/3+x,2/3+y,2/3+z
1/3-y,2/3+x-y,2/3+z
1/3-x+y,2/3-x,2/3+z
1/3-x,2/3-y,2/3-z
1/3+y,2/3-x+y,2/3-z
1/3+x-y,2/3+x,2/3-z
2/3+x,1/3+y,1/3+z
2/3-y,1/3+x-y,1/3+z
2/3-x+y,1/3-x,1/3+z
2/3-x,1/3-y,1/3-z
2/3+y,1/3-x+y,1/3-z
2/3+x-y,1/3+x,1/3-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_thermal_displace_type
_atom_site_occupancy
_atom_site_type_symbol
O1 0.1221(2) 0.0565(4) 0.0173(4) 0.0641(19) Uani 1.000 O
O2 0.2613(2) 0.1741(4) 0.6248(3) 0.0540(16) Uani 1.000 O
C1 0.1627(2) 0.0732(5) 0.1092(4) 0.045(2) Uani 1.000 C
C2 0.1757(2) 0.0355(5) 0.1636(5) 0.050(2) Uani 1.000 C
C3 0.2157(2) 0.0540(4) 0.2562(4) 0.048(2) Uani 1.000 C
C4 0.2438(2) 0.1106(4) 0.2973(4) 0.040(2) Uani 1.000 C
C5 0.2296(2) 0.1477(4) 0.2377(4) 0.044(2) Uani 1.000 C
C6 0.1894(2) 0.1293(4) 0.1445(4) 0.045(2) Uani 1.000 C
C7 0.2872(2) 0.1292(4) 0.4018(4) 0.038(2) Uani 1.000 C
C8 0.2594(2) 0.0944(4) 0.5181(4) 0.043(2) Uani 1.000 C
C9 0.2245(2) 0.1140(4) 0.5919(4) 0.043(2) Uani 1.000 C
C10 0.2981(2) 0.2102(4) 0.5378(4) 0.044(2) Uani 1.000 C
C11 0.3124(2) 0.1925(4) 0.4316(4) 0.040(2) Uani 1.000 C
C12 0.3528(2) 0.2351(4) 0.3571(4) 0.048(2) Uani 1.000 C
C13 0.3770(3) 0.2927(6) 0.3819(5) 0.055(2) Uani 1.000 C
C14 0.3619(3) 0.3096(6) 0.4876(5) 0.056(2) Uani 1.000 C
C15 0.3227(3) 0.2684(5) 0.5657(5) 0.053(2) Uani 1.000 C
C16 0.1721(2) 0.1082(4) 0.5282(5) 0.056(2) Uani 1.000 C
C17 0.2078(3) 0.0823(6) 0.7118(4) 0.059(3) Uani 1.000 C
C18 0.3356(2) 0.1176(4) 0.3657(5) 0.051(2) Uani 1.000 C
O3 0.04910 0.03100 0.37930 0.1509 Uiso 0.333 O
O4 -0.04650 -0.02470 0.35970 0.2485 Uiso 0.333 O
C21 0.00510 0.00740 0.17460 0.1668 Uiso 0.333 C
C20 0.00080 0.00350 0.31430 0.2054 Uiso 0.667 C
H1 0.109(3) 0.023(7) 0.008(7) 0.12(4) Uiso 1.000 H
H2 0.1550(2) -0.0083(5) 0.1350(5) 0.062(16) Uiso 1.000 H
H3 0.2258(2) 0.0242(4) 0.2978(4) 0.046(14) Uiso 1.000 H
H4 0.2504(2) 0.1916(4) 0.2655(4) 0.085(19) Uiso 1.000 H
H5 0.1799(2) 0.1591(4) 0.1009(4) 0.046(14) Uiso 1.000 H
H6 0.2318(2) 0.0506(4) 0.4926(4) 0.070(17) Uiso 1.000 H
H7 0.2930(2) 0.0975(4) 0.5755(4) 0.054(15) Uiso 1.000 H
H8 0.3657(2) 0.2226(4) 0.2758(4) 0.053(14) Uiso 1.000 H
H9 0.4072(3) 0.3242(6) 0.3204(5) 0.053(14) Uiso 1.000 H
H10 0.3802(3) 0.3541(6) 0.5091(5) 0.083(19) Uiso 1.000 H
H11 0.3114(3) 0.2812(5) 0.6488(5) 0.051(14) Uiso 1.000 H
H12 0.1444(2) 0.0643(4) 0.5031(5) 0.11(2) Uiso 1.000 H
H13 0.1498(2) 0.1216(4) 0.5884(5) 0.11(2) Uiso 1.000 H
H14 0.1849(2) 0.1343(4) 0.4481(5) 0.11(2) Uiso 1.000 H
H15 0.1805(3) 0.0375(6) 0.6953(4) 0.08(2) Uiso 1.000 H
H16 0.2455(3) 0.0891(6) 0.7587(4) 0.10(2) Uiso 1.000 H
H17 0.1856(3) 0.0979(6) 0.7664(4) 0.09(2) Uiso 1.000 H
H18 0.3560(2) 0.1410(4) 0.2845(5) 0.12(2) Uiso 1.000 H
H19 0.3664(2) 0.1310(4) 0.4379(5) 0.044(13) Uiso 1.000 H
H20 0.3180(2) 0.0727(4) 0.3496(5) 0.073(18) Uiso 1.000 H
H22 0.04910 0.03340 0.14850 0.4679 Uiso 0.333 H
H23 -0.01160 -0.03460 0.13710 0.1907 Uiso 0.333 H
H24 -0.01900 0.02620 0.14090 0.2025 Uiso 0.333 H
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
O O 0.0106 0.0060 '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'
C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_diffrn_standard_refln_index_h
_diffrn_standard_refln_index_k
_diffrn_standard_refln_index_l
3 3 l
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
_geom_angle_publ_flag
C9 O2 C10 117.7(4) yes
O1 C1 C6 117.3(7) yes
O1 C1 C2 122.0(8) yes
C2 C1 C6 120.7(6) no
C1 C2 C3 119.8(8) no
C2 C3 C4 122.1(6) no
C5 C4 C7 123.6(6) no
C3 C4 C5 116.0(5) no
C3 C4 C7 120.5(6) no
C4 C5 C6 122.2(6) no
C1 C6 C5 119.3(6) no
C8 C7 C18 107.1(5) no
C11 C7 C18 109.5(6) no
C8 C7 C11 108.3(4) no
C4 C7 C18 109.1(4) no
C4 C7 C8 111.2(5) no
C4 C7 C11 111.5(5) no
C7 C8 C9 115.2(5) no
C8 C9 C17 109.1(6) no
C16 C9 C17 110.2(6) no
O2 C9 C17 104.9(5) yes
O2 C9 C8 108.8(5) yes
O2 C9 C16 108.1(6) yes
C8 C9 C16 115.2(4) no
O2 C10 C11 124.7(6) yes
O2 C10 C15 114.4(5) yes
C11 C10 C15 120.9(6) no
C7 C11 C12 121.8(5) no
C10 C11 C12 116.7(6) no
C7 C11 C10 121.4(5) no
C11 C12 C13 123.4(5) no
C12 C13 C14 119.1(7) no
C13 C14 C15 119.3(8) no
C10 C15 C14 120.6(6) no
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_publ_flag
O1 C1 1.399(9) yes
O2 C9 1.473(10) yes
O2 C10 1.381(8) yes
C1 C2 1.378(11) no
C1 C6 1.378(11) no
C2 C3 1.392(9) no
C3 C4 1.408(10) no
C4 C5 1.411(9) no
C4 C7 1.545(8) no
C5 C6 1.400(8) no
C7 C8 1.551(8) no
C7 C11 1.537(10) no
C7 C18 1.551(10) no
C8 C9 1.535(9) no
C9 C17 1.522(8) no
C9 C16 1.525(9) no
C10 C15 1.410(12) no
C10 C11 1.396(8) no
C11 C12 1.398(9) no
C12 C13 1.389(12) no
C13 C14 1.391(10) no
C14 C15 1.394(12) no
loop_
_geom_contact_atom_site_label_1
_geom_contact_atom_site_label_2
_geom_contact_distance
_geom_contact_site_symmetry_2
_geom_contact_publ_flag
O1 O1 2.903(12) 6_555 no
O1 O1 2.903(11) 5_555 no
loop_
_geom_torsion_atom_site_label_1
_geom_torsion_atom_site_label_2
_geom_torsion_atom_site_label_3
_geom_torsion_atom_site_label_4
_geom_torsion
_geom_torsion_publ_flag
C10 O2 C9 C8 41.6(7) no
C10 O2 C9 C16 -84.2(7) no
C10 O2 C9 C17 158.2(7) no
C9 O2 C10 C11 -15.1(10) no
C9 O2 C10 C15 166.8(6) no
O1 C1 C2 C3 -178.8(6) no
C2 C1 C6 C5 -0.8(9) no
C6 C1 C2 C3 0.8(10) no
O1 C1 C6 C5 178.8(6) no
C1 C2 C3 C4 0.1(10) no
C2 C3 C4 C5 -0.9(9) no
C2 C3 C4 C7 179.0(6) no
C3 C4 C5 C6 0.9(9) no
C3 C4 C7 C11 -179.9(5) no
C3 C4 C7 C18 59.0(7) no
C5 C4 C7 C8 121.0(6) no
C5 C4 C7 C11 0.0(8) no
C5 C4 C7 C18 -121.2(6) no
C3 C4 C7 C8 -58.9(7) no
C7 C4 C5 C6 -179.0(5) no
C4 C5 C6 C1 -0.1(9) no
C4 C7 C8 C9 -80.0(7) no
C4 C7 C11 C10 108.5(6) no
C4 C7 C11 C12 -74.7(8) no
C8 C7 C11 C10 -14.1(8) no
C8 C7 C11 C12 162.6(6) no
C18 C7 C11 C10 -130.6(6) no
C11 C7 C8 C9 42.8(7) no
C18 C7 C8 C9 160.9(5) no
C18 C7 C11 C12 46.2(7) no
C7 C8 C9 C17 -171.3(6) no
C7 C8 C9 C16 64.2(8) no
C7 C8 C9 O2 -57.3(6) no
O2 C10 C11 C7 0.3(10) no
C15 C10 C11 C12 1.4(10) no
O2 C10 C11 C12 -176.6(6) no
C15 C10 C11 C7 178.3(7) no
C11 C10 C15 C14 0.0(12) no
O2 C10 C15 C14 178.2(8) no
C10 C11 C12 C13 -2.3(10) no
C7 C11 C12 C13 -179.2(7) no
C11 C12 C13 C14 1.8(12) no
C12 C13 C14 C15 -0.3(13) no
C13 C14 C15 C10 -0.6(13) no
