2-(2-Chlorophenyl)acetic acid
Kant, Rajni; Gupta, Vivek K.; Kapoor, Kamini; Narayana, B.; Acta Crystallographica Section E 68 (2012) o1940–; doi:10.1107/S1600536812023938

data_2235006
_publ_section_title
;
 2-(2-Chlorophenyl)acetic acid
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1940
_journal_paper_doi               10.1107/S1600536812023938
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C8 H7 Cl O2'
_chemical_formula_moiety         'C8 H7 Cl O2'
_chemical_formula_sum            'C8 H7 Cl O2'
_chemical_formula_weight         170.59
_chemical_melting_point_gt       369
_chemical_melting_point_lt       366
_chemical_name_systematic
;
2-(2-Chlorophenyl)acetic acid
;
_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                 101.155(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.1473(7)
_cell_length_b                   5.8265(3)
_cell_length_c                   15.4299(7)
_cell_measurement_reflns_used    3981
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.099
_cell_measurement_theta_min      3.49
_cell_volume                     806.83(8)
_computing_cell_refinement       'CrysAlis Pro (Oxford Diffraction, 2010)'
_computing_data_collection       'CrysAlis Pro (Oxford Diffraction, 2010)'
_computing_data_reduction        'CrysAlis Pro (Oxford Diffraction, 2010)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 16.1049
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur Sapphire3'
_diffrn_measurement_method       '\w scans'
_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  0.0454
_diffrn_reflns_av_sigmaI/netI    0.0297
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            9367
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.75
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.416
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.748
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(Crysalis PRO; Oxford Diffraction, 2010)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.404
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             352
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.302
_refine_diff_density_min         -0.326
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     100
_refine_ls_number_reflns         1583
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0712
_refine_ls_R_factor_gt           0.0515
_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^)+(0.0608P)^2^+0.4607P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1298
_refine_ls_wR_factor_ref         0.1446
_reflns_number_gt                1173
_reflns_number_total             1583
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            gk2495.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2235006
_cod_database_fobs_code          2235006