Polymorphs of 1,1-bis(4-hydroxyphenyl)cyclohexane and multiple Z' structures by melt and sublimation crystallization
A.Nangia; S.Roy; B.Sarma; Chemical Communications  (2006) –; doi:10.1039/b610323e

data_7101576
_publ_section_title
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Polymorphs of 1,1-bis(4-hydroxyphenyl)cyclohexane and
multiple Z' structures by melt and sublimation crystallization
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_journal_issue                   47
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/b610323e
_journal_year                    2006
_chemical_formula_moiety         'C18 H20 O2'
_chemical_formula_sum            'C18 H20 O2'
_chemical_formula_weight         268.34
_chemical_name_common            1,1-bis(4-Hydroxyphenyl)cyclohexane
_chemical_name_systematic
;
1,1-bis(4-Hydroxyphenyl)cyclohexane
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                90.00
_cell_formula_units_Z            16
_cell_length_a                   9.6278(5)
_cell_length_b                   20.9561(11)
_cell_length_c                   28.0324(14)
_cell_measurement_reflns_used    7303
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.75
_cell_measurement_theta_min      2.74
_cell_volume                     5655.8(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0660
_diffrn_reflns_av_sigmaI/netI    0.0306
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            51362
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.45
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.9928
_exptl_absorpt_correction_T_min  0.9701
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS - Bruker Nonius area detector scaling and absorption correction - V2.10'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.261
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2304
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.287
_refine_diff_density_min         -0.277
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.201
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     377
_refine_ls_number_reflns         4984
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.201
_refine_ls_R_factor_all          0.0715
_refine_ls_R_factor_gt           0.0582
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0416P)^2^+4.0457P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1164
_refine_ls_wR_factor_ref         0.1217
_reflns_number_gt                4167
_reflns_number_total             4984
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b610323e.txt
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 
;
_cod_original_sg_symbol_H-M      'Pbca '
_cod_database_code               7101576