2,2'-(Propane-1,3-diyldioxy)dibenzaldehyde
Pu-Zhou Hu; Lu-Fang Ma; Jian-Ge Wang; Bang-Tun Zhao; Li-Ya Wang; Acta Crystallographica Section E 61 (2005) o2775–o2777; doi:10.1107/S1600536805023925

data_2206783
_publ_section_title
;
 2,2'-(Propane-1,3-diyldioxy)dibenzaldehyde
;
_journal_coeditor_code           RZ6105
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2775
_journal_page_last               o2777
_journal_paper_doi               10.1107/S1600536805023925
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C17 H16 O4'
_chemical_formula_moiety         'C17 H16 O4'
_chemical_formula_sum            'C17 H16 O4'
_chemical_formula_weight         284.30
_chemical_melting_point          98
_chemical_name_systematic
;
2,2'-(Propane-1,3-diyldioxy)dibenzaldehyde
;
_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                 95.334(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.8275(12)
_cell_length_b                   14.8431(13)
_cell_length_c                   7.8272(7)
_cell_measurement_reflns_used    1628
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      19.07
_cell_measurement_theta_min      2.95
_cell_volume                     1483.8(2)
_computing_cell_refinement       'SAINT (Bruker, 1997)'
_computing_data_collection       'SMART (Bruker, 1997)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX-II CCD'
_diffrn_measurement_method       '\f and \w'
_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  0.0303
_diffrn_reflns_av_sigmaI/netI    0.0271
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            10969
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.74
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.9883
_exptl_absorpt_correction_T_min  0.9813
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            'light yellow'
_exptl_crystal_density_diffrn    1.273
_exptl_crystal_description       pillar
_exptl_crystal_F_000             600
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.108
_refine_diff_density_min         -0.110
_refine_ls_extinction_coef       0.0093(16)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     255
_refine_ls_number_reflns         2758
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0833
_refine_ls_R_factor_gt           0.0391
_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^)+(0.0437P)^2^+0.1205P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0878
_refine_ls_wR_factor_ref         0.1099
_reflns_number_gt                1562
_reflns_number_total             2758
_reflns_threshold_expression     I>2s\(I)
_cod_data_source_file            rz6105.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               2206783
_cod_database_fobs_code          2206783