Xanthenol Clathrates: Structures and Solid−Solid Reactions
Curtis, Elizabeth; Nassimbeni, Luigi R.; Su, Hong; Taljaard, Jana H.; Crystal Growth & Design 6 (2006) 2716–; doi:10.1021/cg060384q

data_4511441
_publ_section_title
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 Xanthenol Clathrates:&#x2009; Structures and Solid&#x2212;Solid Reactions
;
_journal_issue                   12
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2716
_journal_paper_doi               10.1021/cg060384q
_journal_volume                  6
_journal_year                    2006
_chemical_formula_moiety         'C20 H16 O3'
_chemical_formula_sum            'C20 H16 O3'
_chemical_formula_weight         304.33
_chemical_melting_point          ?
_chemical_name_systematic
; 
 9-(4-methoxyphenyl)-9H-xanthen-9-ol 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 92.4790(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   21.3666(6)
_cell_length_b                   9.2617(2)
_cell_length_c                   15.4760(3)
_cell_measurement_temperature    113(2)
_cell_volume                     3059.70(12)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT program (Nonius, 2000)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'X-Seed (Barbour, 2001)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      113(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Nonius Kappa CCD diffractometer'
_diffrn_measurement_method       '1.2\% \f scans and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0445
_diffrn_reflns_av_sigmaI/netI    0.0803
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            11271
_diffrn_reflns_theta_full        26.76
_diffrn_reflns_theta_max         26.76
_diffrn_reflns_theta_min         2.40
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  0.9800
_exptl_absorpt_correction_T_min  0.9706
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.321
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1280
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.212
_refine_diff_density_min         -0.207
_refine_diff_density_rms         0.046
_refine_ls_extinction_coef       0.0041(6)
_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   0.962
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     426
_refine_ls_number_reflns         6388
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.962
_refine_ls_R_factor_all          0.0945
_refine_ls_R_factor_gt           0.0435
_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^)+(0.0487P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0885
_refine_ls_wR_factor_ref         0.1039
_reflns_number_gt                3935
_reflns_number_total             6388
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg060384qsi20060622_090119.cif
_cod_data_source_block           H
_cod_depositor_comments
;
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
'Monoclinic' changed to 'monoclinic' according to
/usr/data/users/saulius/automatic-downloads/retrospective/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' 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      P21/c
_cod_database_code               4511441