3-Acetyl-6-chloro-2<i>H</i>-chromen-2-one
Deepak Chopra; K. N. Venugopal; B. S. Jayashree; T. N. Guru Row; Acta Crystallographica Section E 62 (2006) o2310–o2312; doi:10.1107/S1600536806016990

data_2209316
_publ_section_title
;
 3-Acetyl-6-chloro-2<i>H</i>-chromen-2-one
;
_journal_coeditor_code           SJ2060
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2310
_journal_page_last               o2312
_journal_paper_doi               10.1107/S1600536806016990
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C11 H7 Cl O3'
_chemical_formula_moiety         'C11 H7 Cl O3'
_chemical_formula_sum            'C11 H7 Cl O3'
_chemical_formula_weight         222.62
_chemical_name_systematic
;
3-acetyl-6-chloro-2H-chromen-2-one
;
_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
_cell_angle_alpha                97.078(9)
_cell_angle_beta                 90.238(10)
_cell_angle_gamma                100.049(10)
_cell_formula_units_Z            2
_cell_length_a                   3.988(2)
_cell_length_b                   11.010(7)
_cell_length_c                   11.156(7)
_cell_measurement_reflns_used    956
_cell_measurement_temperature    290(2)
_cell_measurement_theta_max      25.6
_cell_measurement_theta_min      1.6
_cell_volume                     478.5(5)
_computing_cell_refinement       'SAINT (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        SAINT
_computing_molecular_graphics
;ORTEP-3 for Windows (Farrugia, 1999) and
CAMERON (Watkin <i>et al.</i>,
 1993)
;
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare <i>et al.</i>,  1993)'
_diffrn_ambient_temperature      290(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.961
_diffrn_measurement_device_type  'Bruker SMART 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  0.0133
_diffrn_reflns_av_sigmaI/netI    0.0177
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            3726
_diffrn_reflns_reduction_process
;
 ?
;
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         26.35
_diffrn_reflns_theta_min         1.84
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.379
_exptl_absorpt_correction_T_max  0.9281
_exptl_absorpt_correction_T_min  0.8663
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.545
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             228
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.39
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.188
_refine_diff_density_min         -0.211
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     164
_refine_ls_number_reflns         1890
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0335
_refine_ls_R_factor_gt           0.0315
_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^)+(0.0553P)^2^+0.0809P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0877
_refine_ls_wR_factor_ref         0.0899
_reflns_number_gt                1875
_reflns_number_total             1890
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sj2060.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 
;
_cod_database_code               2209316
_cod_database_fobs_code          2209316