2-[(4-Chlorobenzyl)carbonylmethyl]benzoic acid
Abid, Obaid-ur-Rahman; Qadeer, Ghulam; Rama, Nasim Hasan; Ruzicka, Ales; Acta Crystallographica Section E 64 (2008) o2205–; doi:10.1107/S160053680803451X

data_2219892
_publ_section_title
;
 2-[(4-Chlorobenzyl)carbonylmethyl]benzoic acid
;
_journal_coeditor_code           HK2557
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2205
_journal_paper_doi               10.1107/S160053680803451X
_journal_volume                  64
_journal_year                    2008
_chemical_formula_moiety         'C16 H13 Cl O3'
_chemical_formula_sum            'C16 H13 Cl O3'
_chemical_formula_weight         288.71
_chemical_melting_point          414(1)
_chemical_name_systematic
;
2-[(4-Chlorobenzyl)carbonylmethyl]benzoic 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                 94.371(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.5000(4)
_cell_length_b                   13.2720(6)
_cell_length_c                   18.8120(7)
_cell_measurement_reflns_used    10141
_cell_measurement_temperature    150.0(10)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1
_cell_volume                     1369.21(13)
_computing_cell_refinement
'COLLECT (Hooft, 1998) and DENZO (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Hooft, 1998)'
_computing_data_reduction
'COLLECT (Hooft, 1998) and DENZO (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare <i>et al.</i>,  1994)'
_diffrn_ambient_temperature      150.0(10)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.956
_diffrn_measured_fraction_theta_max 0.956
_diffrn_measurement_device_type  'Bruker--Nonius Kappa 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  0.0482
_diffrn_reflns_av_sigmaI/netI    0.0369
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            10076
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.88
_exptl_absorpt_coefficient_mu    0.283
_exptl_absorpt_correction_T_max  0.962
_exptl_absorpt_correction_T_min  0.936
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   '(Coppens, 1970)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.401
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             600
_exptl_crystal_size_max          0.291
_exptl_crystal_size_mid          0.192
_exptl_crystal_size_min          0.164
_refine_diff_density_max         0.264
_refine_diff_density_min         -0.417
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.136
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         3010
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.136
_refine_ls_R_factor_all          0.0743
_refine_ls_R_factor_gt           0.0502
_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^)+(0.0291P)^2^+0.9198P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1019
_refine_ls_wR_factor_ref         0.1181
_reflns_number_gt                2284
_reflns_number_total             3010
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hk2557.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2219892
_cod_database_fobs_code          2219892