Inclusion compounds of a diol host with xylidines: controlled stoichiometries
Nassimbeni, Luigi R.; Su, Hong; Acta Crystallographica Section B 58 (2002) 251–259; doi:10.1107/S010876810101881X

data_2103246
_publ_section_title
;
 Inclusion compounds of a diol host with xylidines: controlled
 stoichiometries
;
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              251
_journal_page_last               259
_journal_paper_doi               10.1107/S010876810101881X
_journal_volume                  58
_journal_year                    2002
_chemical_formula_moiety         'C18 H20 O2/C8 H11 N1'
_chemical_formula_sum            'C26 H31 N O2'
_chemical_formula_weight         389.52
_chemical_melting_point
'365.55K for guest release onset temp. and 463.15K for host melting'
_chemical_name_common            DHPC.26X
_chemical_name_systematic
;
 1,1'-bis-(4-hydroxyphenyl)cyclohexane and 2,6-xylidine
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                84.980(10)
_cell_angle_beta                 81.29(2)
_cell_angle_gamma                77.10(2)
_cell_formula_units_Z            2
_cell_length_a                   6.2340(10)
_cell_length_b                   10.934(2)
_cell_length_c                   16.974(2)
_cell_volume                     1113.1(3)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (2000)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Nonius Kappa CCD diffractometer'
_diffrn_measurement_method       '1\% \f scans and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0179
_diffrn_reflns_av_sigmaI/netI    0.0375
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            4040
_diffrn_reflns_theta_full        24.97
_diffrn_reflns_theta_max         24.97
_diffrn_reflns_theta_min         1.91
_exptl_absorpt_coefficient_mu    0.072
_exptl_absorpt_correction_T_max  0.9821
_exptl_absorpt_correction_T_min  0.9716
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.162
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             420
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.779
_refine_diff_density_min         -0.171
_refine_ls_extinction_coef       0.026(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.091
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     347
_refine_ls_number_reflns         3895
_refine_ls_number_restraints     20
_refine_ls_restrained_S_all      1.096
_refine_ls_R_factor_all          0.1072
_refine_ls_R_factor_gt           0.0557
_refine_ls_shift/su_max          0.112
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0670P)^2^+0.7169P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1370
_refine_ls_wR_factor_ref         0.1849
_reflns_number_gt                2435
_reflns_number_total             3895
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            an0588.cif
_cod_data_source_block           dc26x1
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'N/A' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               2103246