Diethyl 3,3-dihydroxy-3,3'-(<i>p</i>-phenylene)diprop-2-enoate
Mei, Guang-Quan; Huang Ke-Long; Acta Crystallographica Section E 63 (2007) o1439–o1440; doi:10.1107/S1600536807006198

data_2212506
_publ_section_title
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 Diethyl 3,3-dihydroxy-3,3'-(<i>p</i>-phenylene)diprop-2-enoate
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_journal_coeditor_code           CI2272
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1439
_journal_page_last               o1440
_journal_paper_doi               10.1107/S1600536807006198
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C16 H18 O6'
_chemical_formula_moiety         'C16 H18 O6'
_chemical_formula_sum            'C16 H18 O6'
_chemical_formula_weight         306.30
_chemical_name_systematic
;
Diethyl 3,3-dihydroxy-3,3'-(p-phenylene)diprop-2-enoate
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                102.178(3)
_cell_angle_beta                 94.3240(10)
_cell_angle_gamma                90.0830(10)
_cell_formula_units_Z            1
_cell_length_a                   5.01830(10)
_cell_length_b                   5.7002(5)
_cell_length_c                   13.5102(9)
_cell_measurement_reflns_used    1806
_cell_measurement_temperature    299(2)
_cell_measurement_theta_max      28.00
_cell_measurement_theta_min      3.09
_cell_volume                     376.63(4)
_computing_cell_refinement       'SAINT-Plus (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        SAINT-Plus
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  PLATON
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      299(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area-detector'
_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  0.0257
_diffrn_reflns_av_sigmaI/netI    0.0273
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            3247
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         1.55
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.350
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             162
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.270
_refine_diff_density_min         -0.226
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     104
_refine_ls_number_reflns         1472
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0545
_refine_ls_R_factor_gt           0.0490
_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^)+(0.1042P)^2^+0.0476P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1528
_refine_ls_wR_factor_ref         0.1598
_reflns_number_gt                1255
_reflns_number_total             1472
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ci2272.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 'Triclinic' changed to 'triclinic'
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 
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_cod_database_code               2212506
_cod_database_fobs_code          2212506