4-Chloro-<i>N</i>-methylbenzamide
Yuan, Juan; Liu, Yan-Ju; Acta Crystallographica Section E 68 (2012) o937–; doi:10.1107/S1600536812008641

data_2234099
_publ_section_title
;
 4-Chloro-<i>N</i>-methylbenzamide
;
_journal_coeditor_code           BQ2339
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o937
_journal_paper_doi               10.1107/S1600536812008641
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C8 H8 Cl N O'
_chemical_formula_moiety         'C8 H8 Cl N O'
_chemical_formula_sum            'C8 H8 Cl N O'
_chemical_formula_weight         169.61
_chemical_name_systematic
;
4-Chloro-<i>N</i>-methylbenzamide
;
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                96.46(3)
_cell_angle_beta                 90.34(3)
_cell_angle_gamma                90.99(3)
_cell_formula_units_Z            4
_cell_length_a                   3.9420(8)
_cell_length_b                   9.2250(18)
_cell_length_c                   21.864(4)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    296
_cell_measurement_theta_max      12
_cell_measurement_theta_min      9
_cell_volume                     789.9(3)
_computing_cell_refinement       'CAD-4 Software (Enraf--Nonius, 1985)'
_computing_data_collection       'CAD-4 Software (Enraf--Nonius, 1985)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Enraf--Nonius CAD-4'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
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_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            3079
_diffrn_reflns_theta_full        25.37
_diffrn_reflns_theta_max         25.37
_diffrn_reflns_theta_min         1.87
_diffrn_standards_decay_%        1
_diffrn_standards_interval_count 200
_diffrn_standards_interval_time  2
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.419
_exptl_absorpt_correction_T_max  0.9593
_exptl_absorpt_correction_T_min  0.9209
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North <i>et al.</i>, 1968)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.426
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             352
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.294
_refine_diff_density_min         -0.247
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         2887
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.1231
_refine_ls_R_factor_gt           0.0683
_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^)+(0.0940P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1610
_refine_ls_wR_factor_ref         0.1876
_reflns_number_gt                1633
_reflns_number_total             2887
_reflns_threshold_expression     I>2sigma(I)
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_cod_data_source_block           I
_cod_database_code               2234099
_cod_database_fobs_code          2234099