<i>r</i>-2,<i>c</i>-6-Bis(4-chlorophenyl)-3,5-dimethyltetrahydropyran-<i>t</i>-4-ol
Krishnamoorthy, Belli Sundaram; Sarangarajan, Thanjavur Ramabhadran; Thanikachalam, Kanagasabapathy; Panchanatheswaran, Krishnaswamy; Jeyaraman, Ramasubbu; Acta Crystallographica Section E 59 (2003) o111–o113; doi:10.1107/S1600536802023310

data_2202096
_publ_section_title
<i>r</i>-2,<i>c</i>-6-Bis(4-chlorophenyl)-3,5-dimethyltetrahydropyran-<i>t</i>-4-ol
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o111
_journal_page_last               o113
_journal_paper_doi               10.1107/S1600536802023310
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          'C19 H20 Cl2 O2'
_chemical_formula_moiety         'C19 H20 Cl2 O2'
_chemical_formula_sum            'C19 H20 Cl2 O2'
_chemical_formula_weight         351.25
_chemical_melting_point          .385E-305
_chemical_name_systematic
;
r-2,c-6-bis(4-chlorophenyl)-3,5-dimethyltetrahydropyran-t-4-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
_cell_angle_alpha                90
_cell_angle_beta                 99.728(9)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   12.1315(9)
_cell_length_b                   11.7075(19)
_cell_length_c                   26.177(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    298
_cell_measurement_theta_max      12
_cell_measurement_theta_min      2
_cell_volume                     3664.4(8)
_computing_cell_refinement       'CAD-4 Software'
_computing_data_collection       'CAD-4 Software (Enraf-Nonius, 1989)'
_computing_data_reduction        'MolEN (Fair, 1990)'
_computing_molecular_graphics    'ORTEP-3 for windows (Farrugia, 1997)'
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298
_diffrn_detector_area_resol_mean 18.4
_diffrn_measured_fraction_theta_full 1.00
_diffrn_measured_fraction_theta_max 1.00
_diffrn_measurement_device_type  'Enraf-Nonius CAD-4'
_diffrn_measurement_method       \w-2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0268
_diffrn_reflns_av_sigmaI/netI    0.0186
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            7004
_diffrn_reflns_reduction_process
;
 ?
;
_diffrn_reflns_theta_full        25.31
_diffrn_reflns_theta_max         25.31
_diffrn_reflns_theta_min         1.58
_diffrn_standards_decay_%        negligible
_diffrn_standards_interval_count 100
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.361
_exptl_absorpt_correction_T_max  0.9985
_exptl_absorpt_correction_T_min  0.6500
_exptl_absorpt_correction_type   '\y scan'
_exptl_absorpt_process_details   '(North et al., 1968)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.273
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1472
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.500
_refine_diff_density_min         -0.420
_refine_ls_extinction_coef       0.0046(5)
_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   1.063
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     423
_refine_ls_number_reflns         6670
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0724
_refine_ls_R_factor_gt           0.0526
_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^)+(0.0590P)^2^+2.0872P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1275
_refine_ls_wR_factor_ref         0.1463
_reflns_number_gt                5034
_reflns_number_total             6670
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ob6197.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_atom_sites_solution_hydrogens' value 'geom ' changed
to 'geom' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_atom_sites_solution_primary' value 'direct ' changed
to 'direct' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_atom_sites_solution_secondary' value 'difmap ' changed
to 'difmap' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_refine_ls_weighting_scheme' value 'calc ' changed to
'calc' 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      'P 21/c'
_cod_database_code               2202096