1-(2-Hydroxy-4,5-dimethoxyphenyl)propan-1-one
Cen, Changchun; Chen, Guangying; Han, Changri; Song, Xiaoping; Acta Crystallographica Section E 65 (2009) o2815–; doi:10.1107/S1600536809041798

data_2223768
_publ_section_title
;
 1-(2-Hydroxy-4,5-dimethoxyphenyl)propan-1-one
;
_journal_coeditor_code           HB5121
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2815
_journal_paper_doi               10.1107/S1600536809041798
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C11 H14 O4'
_chemical_formula_moiety         'C11 H14 O4'
_chemical_formula_sum            'C11 H14 O4'
_chemical_formula_weight         210.22
_chemical_name_systematic
;
1-(2-Hydroxy-4,5-dimethoxyphenyl)propan-1-one
;
_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                 113.164(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.1933(7)
_cell_length_b                   9.4874(12)
_cell_length_c                   17.198(2)
_cell_measurement_reflns_used    2673
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.38
_cell_measurement_theta_min      2.50
_cell_volume                     1079.1(2)
_computing_cell_refinement       'SAINT (Bruker, 1997)'
_computing_data_collection       'SMART (Bruker, 1997)'
_computing_data_reduction        'SAINT (Bruker, 1997)'
_computing_molecular_graphics    'SHELXP-97 (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker SMART CCD'
_diffrn_measurement_method       \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  0.0436
_diffrn_reflns_av_sigmaI/netI    0.0362
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            7549
_diffrn_reflns_theta_full        28.38
_diffrn_reflns_theta_max         28.38
_diffrn_reflns_theta_min         2.50
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_T_max  0.185
_exptl_absorpt_correction_T_min  0.066
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.294
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             448
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.406
_refine_diff_density_min         -0.284
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.121
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         2673
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.121
_refine_ls_R_factor_all          0.1235
_refine_ls_R_factor_gt           0.0944
_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^)+(0.1225P)^2^+1.1131P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2728
_refine_ls_wR_factor_ref         0.2947
_reflns_number_gt                1749
_reflns_number_total             2673
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hb5121.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:

'_chemical_melting_point' value 'not measured' was changed to '?' -
the value is undefined or not given.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_chemical_melting_point' value 'not measured' was changed to '?' -
the value is undefined or not given.

'_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               2223768
_cod_database_fobs_code          2223768