4-(2,6-Dichlorophenyl)-1,4-dihydroxybutan-2-one
Long He; Ng, Seik Weng; Acta Crystallographica Section E 63 (2007) o38–o39; doi:10.1107/S1600536806050768

data_2211930
_publ_section_title
;
 4-(2,6-Dichlorophenyl)-1,4-dihydroxybutan-2-one
;
_journal_coeditor_code           SG2102
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o38
_journal_page_last               o39
_journal_paper_doi               10.1107/S1600536806050768
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C10 H10 Cl2 O3'
_chemical_formula_moiety         'C10 H10 Cl2 O3'
_chemical_formula_sum            'C10 H10 Cl2 O3'
_chemical_formula_weight         249.08
_chemical_name_systematic
;
4-(2,6-Dichlorophenyl)-1,4-dihydroxybutan-2-one
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 112.0930(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.7674(2)
_cell_length_b                   8.7852(2)
_cell_length_c                   8.3555(3)
_cell_measurement_reflns_used    5260
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.1
_cell_volume                     528.30(3)
_computing_cell_refinement       RAPID-AUTO
_computing_data_collection       'RAPID-AUTO (Rigaku, 2004)'
_computing_data_reduction        RAPID-AUTO
_computing_molecular_graphics    'X-SEED (Barbour, 2001)'
_computing_publication_material  'publCIF (Westrip, 2006)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 1.00
_diffrn_measured_fraction_theta_max 1.00
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.013
_diffrn_reflns_av_sigmaI/netI    0.018
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            5238
_diffrn_reflns_theta_full        27.5
_diffrn_reflns_theta_max         27.5
_diffrn_reflns_theta_min         3.1
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.596
_exptl_absorpt_correction_T_max  0.814
_exptl_absorpt_correction_T_min  0.775
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(ABSCOR; Higashi, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.566
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             256
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.42
_exptl_crystal_size_min          0.36
_refine_diff_density_max         0.30
_refine_diff_density_min         -0.20
_refine_ls_abs_structure_details 'Flack (1983), 913 Friedel pairs'
_refine_ls_abs_structure_Flack   0.01(4)
_refine_ls_extinction_coef       0.145(8)
_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   1.08
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         2205
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.08
_refine_ls_R_factor_all          0.019
_refine_ls_R_factor_gt           0.019
_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^)+(0.0395P)^2^+0.0574P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.055
_refine_ls_wR_factor_ref         0.055
_reflns_number_gt                2189
_reflns_number_total             2205
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sg2102.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'
_cod_database_code               2211930
_cod_database_fobs_code          2211930