Propane-2,2-diyl di-<i>p</i>-phenylene dibenzoate
Tomislav Portada; Nenad Judaš; Acta Crystallographica Section E 64 (2008) o262–o262; doi:10.1107/S1600536807065531

data_2216992
_publ_section_title
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 Propane-2,2-diyl di-<i>p</i>-phenylene dibenzoate
;
_journal_coeditor_code           CI2535
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o262
_journal_page_last               o262
_journal_paper_doi               10.1107/S1600536807065531
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C29 H24 O4'
_chemical_formula_moiety         'C29 H24 O4'
_chemical_formula_sum            'C29 H24 O4'
_chemical_formula_weight         436.48
_chemical_melting_point          435
_chemical_name_systematic
;
Propane-2,2-diyldi-p-phenylene dibenzoate
;
_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                 104.291(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.7298(2)
_cell_length_b                   21.4202(4)
_cell_length_c                   12.6693(3)
_cell_measurement_reflns_used    238
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      23.2
_cell_measurement_theta_min      8.4
_cell_volume                     2295.77(9)
_computing_cell_refinement       'CrysAlis RED (Oxford Diffraction, 2003)'
_computing_data_collection       'CrysAlis CCD (Oxford Diffraction, 2003)'
_computing_data_reduction        'CrysAlis RED (Oxford Diffraction, 2003)'
_computing_molecular_graphics
;
ORTEP-3 for Windows (Farrugia, 1997) and
POVRay (Persistence of Vision, 2004)
;
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type
;
Oxford Diffraction Xcalibur CCD diffractometer
;
_diffrn_measurement_method       '\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  0.0233
_diffrn_reflns_av_sigmaI/netI    0.0262
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            23733
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.71
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.263
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             920
_exptl_crystal_size_max          0.68
_exptl_crystal_size_mid          0.46
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.143
_refine_diff_density_min         -0.150
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     300
_refine_ls_number_reflns         4033
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0659
_refine_ls_R_factor_gt           0.0393
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         <0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0623P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0997
_refine_ls_wR_factor_ref         0.1094
_reflns_number_gt                2427
_reflns_number_total             4033
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ci2535.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.

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               2216992
_cod_database_fobs_code          2216992