Templated polar order of a guest in a quasiracemic organic host.
Jacobs, Tia; Bredenkamp, Martin W.; Neethling, Pieter H.; Rohwer, Erich G.; Barbour, Leonard J.; Chemical communications (Cambridge, England) 46 (2010) 8341–8343; doi:10.1039/c0cc02695f

data_7112928
_publ_section_title
;
 Templated polar order of a guest in a quasiracemic organic host.
;
_journal_issue                   44
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              8341
_journal_page_last               8343
_journal_paper_doi               10.1039/c0cc02695f
_journal_volume                  46
_journal_year                    2010
_chemical_formula_moiety         '6(C18 H20 O2), C Cl4'
_chemical_formula_sum            'C109 H120 Cl4 O12'
_chemical_formula_weight         1763.96
_chemical_melting_point          158(2)
_chemical_name_common
;
4-p-Hydroxyphenyl-2,2,4-trimethylchroman carbon tetrachloride
clathrate
;
_chemical_name_systematic
;
?
;
_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'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            3
_cell_length_a                   26.8078(12)
_cell_length_b                   26.8078(12)
_cell_length_c                   10.8706(10)
_cell_measurement_reflns_used    3951
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.122
_cell_measurement_theta_min      2.566
_cell_volume                     6765.6(8)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        SAINT
_computing_molecular_graphics
;
X-Seed (Barbour, 2001; Atwood & Barbour, 2003)
;
_computing_publication_material
;
X-Seed (Atwood & Barbour, 2003; Barbour, 2001)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.960
_diffrn_measurement_device_type  'Bruker APEX CCD area-detector'
_diffrn_measurement_method       \w
_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  0.0569
_diffrn_reflns_av_sigmaI/netI    0.0501
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       -35
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            14393
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         28.27
_diffrn_reflns_theta_min         1.52
_exptl_absorpt_coefficient_mu    0.196
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.299
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2814
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.470
_refine_diff_density_min         -0.226
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         3588
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0655
_refine_ls_R_factor_gt           0.0515
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0794P)^2^+0.2672P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1288
_refine_ls_wR_factor_ref         0.1357
_reflns_number_gt                2853
_reflns_number_total             3588
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0cc02695f.txt
_cod_data_source_block           c:\xm
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '155.5-160' was changed to '158(2)' -
the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      'R -3'
_cod_database_code               7112928