2-Chloro-<i>N</i>-(4-chloro-2-nitrophenyl)acetamide
Shu-Sheng Zhang; Li-Li Xu; Jin Zou; Sai Bi; Yong-Hong Wen; Acta Crystallographica Section E 62 (2006) o4478–o4479; doi:10.1107/S1600536806036555

data_2210775
_publ_section_title
;
 2-Chloro-<i>N</i>-(4-chloro-2-nitrophenyl)acetamide
;
_journal_coeditor_code           SG2060
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o4478
_journal_page_last               o4479
_journal_paper_doi               10.1107/S1600536806036555
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C8 H6 Cl2 N2 O3'
_chemical_formula_moiety         'C8 H6 Cl2 N2 O3'
_chemical_formula_sum            'C8 H6 Cl2 N2 O3'
_chemical_formula_weight         249.05
_chemical_name_systematic
;
2-Chloro-N-(4-chloro-2-nitrophenyl)acetamide
;
_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                 96.474(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.2652(11)
_cell_length_b                   19.641(6)
_cell_length_c                   9.5770(19)
_cell_measurement_reflns_used    1407
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.1
_cell_measurement_theta_min      2.4
_cell_volume                     984.1(4)
_computing_cell_refinement       'SAINT (Siemens, 1996)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997b)'
_computing_publication_material
;
SHELXTL, PARST (Nardelli, 1995) and PLATON (Spek, 2003)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997a)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type
;
Siemens SMART 1000 CCD area-detector
;
_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  0.0283
_diffrn_reflns_av_sigmaI/netI    0.0320
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            5433
_diffrn_reflns_theta_full        26.11
_diffrn_reflns_theta_max         26.11
_diffrn_reflns_theta_min         2.07
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.646
_exptl_absorpt_correction_T_max  0.9502
_exptl_absorpt_correction_T_min  0.8501
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.681
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             504
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.290
_refine_diff_density_min         -0.181
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.984
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         1935
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.984
_refine_ls_R_factor_all          0.0586
_refine_ls_R_factor_gt           0.0429
_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^)+(0.0539P)^2^+0.2351P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0973
_refine_ls_wR_factor_ref         0.1064
_reflns_number_gt                1488
_reflns_number_total             1935
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sg2060.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/c'
_cod_database_code               2210775
_cod_database_fobs_code          2210775