Methyl 3,5-diacetoxy-4-methoxybenzoate
Zhang, Hua-Wei; Xiao, Zhu-Ping; Cao, Ping; Li, Yu-Guang; Acta Crystallographica Section E 62 (2006) o5799–o5800; doi:10.1107/S160053680604918X

data_2211402
_publ_section_title
;
 Methyl 3,5-diacetoxy-4-methoxybenzoate
;
_journal_coeditor_code           GH2012
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o5799
_journal_page_last               o5800
_journal_paper_doi               10.1107/S160053680604918X
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C13 H14 O7'
_chemical_formula_moiety         'C13 H14 O7'
_chemical_formula_sum            'C13 H14 O7'
_chemical_formula_weight         282.24
_chemical_name_systematic
;
Methyl 3,5-diacetoxy-4-methoxybenzoate
;
_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                 92.57(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   9.0530(18)
_cell_length_b                   25.769(5)
_cell_length_c                   11.864(2)
_cell_measurement_reflns_used    2025
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.14
_cell_measurement_theta_min      2.10
_cell_volume                     2764.9(9)
_computing_cell_refinement       'SAINT (Bruker, 2003)'
_computing_data_collection       'SMART (Bruker, 2003)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997b)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997a)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX 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  0.1639
_diffrn_reflns_av_sigmaI/netI    0.0936
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            5484
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.58
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.112
_exptl_absorpt_correction_T_max  0.9835
_exptl_absorpt_correction_T_min  0.9673
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.356
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1184
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.273
_refine_diff_density_min         -0.307
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     369
_refine_ls_number_reflns         5146
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.1656
_refine_ls_R_factor_gt           0.0733
_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^)+(0.0788P)^2^+0.5721P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1561
_refine_ls_wR_factor_ref         0.2076
_reflns_number_gt                2421
_reflns_number_total             5146
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            gh2012.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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_cell_volume        2764.9(10)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2211402
_cod_database_fobs_code          2211402