2-(2-Chlorophenyl)-7-methyl-4<i>H</i>-chromen-4-one
Xiao-Bing Wang; Ling-Yi Kong; Acta Crystallographica Section E 63 (2007) o4340–o4340; doi:10.1107/S1600536807050155

data_2215900
_publ_section_title
;
 2-(2-Chlorophenyl)-7-methyl-4<i>H</i>-chromen-4-one
;
_journal_coeditor_code           FJ2043
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o4340
_journal_page_last               o4340
_journal_paper_doi               10.1107/S1600536807050155
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C16 H11 Cl O2'
_chemical_formula_moiety         'C16 H11 Cl O2'
_chemical_formula_sum            'C16 H11 Cl O2'
_chemical_formula_weight         270.70
_chemical_name_systematic
;
2-(2-Chlorophenyl)-7-methyl-4<i>H</i>-chromen-4-one
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 116.462(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.8394(10)
_cell_length_b                   22.936(3)
_cell_length_c                   7.8790(9)
_cell_measurement_reflns_used    1659
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      23.023
_cell_measurement_theta_min      2.664
_cell_volume                     1268.3(3)
_computing_cell_refinement       'SMART (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2000)'
_computing_publication_material
;
SHELXTL (Bruker, 2000) and WinGX (Farrugia, 1999)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART-1000 CCD area-detector'
_diffrn_measurement_method       '\p 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  0.0353
_diffrn_reflns_av_sigmaI/netI    0.0408
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            6274
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.78
_exptl_absorpt_coefficient_mu    0.295
_exptl_absorpt_correction_T_max  0.9221
_exptl_absorpt_correction_T_min  0.8691
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2000)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.418
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             560
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.198
_refine_diff_density_min         -0.223
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     173
_refine_ls_number_reflns         2231
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0862
_refine_ls_R_factor_gt           0.0454
_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^)+(0.0477P)^2^+0.646P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1017
_refine_ls_wR_factor_ref         0.1277
_reflns_number_gt                1362
_reflns_number_total             2231
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            fj2043.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_cell_volume        1268.2(3)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2215900
_cod_database_fobs_code          2215900