On the solid state structure of 4-iodobenzoic acid.
Nygren, Cara L.; Wilson, Chick C.; Turner, John F. C.; The journal of physical chemistry. A 109 (2005) 2586–2593; doi:10.1021/jp047189b

data_1506381
_publ_section_title
;
 On the solid state structure of 4-iodobenzoic acid.
;
_journal_issue                   11
_journal_name_full               'The journal of physical chemistry. A'
_journal_page_first              2586
_journal_page_last               2593
_journal_paper_doi               10.1021/jp047189b
_journal_volume                  109
_journal_year                    2005
_chemical_formula_moiety         'C7 H5 I O2'
_chemical_formula_sum            'C7 H5 I O2'
_chemical_formula_weight         248.01
_chemical_melting_point          544.0(10)
_chemical_name_systematic
;
4-iodobenzoic acid
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 90.982(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   4.0688(10)
_cell_length_b                   5.9466(15)
_cell_length_c                   30.253(8)
_cell_measurement_reflns_used    5974
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      28.28
_cell_measurement_theta_min      1.35
_cell_volume                     731.9(3)
_computing_cell_refinement       'SAINT (Bruker 1997)'
_computing_data_collection       'SMART (Bruker 1997)'
_computing_data_reduction        'SAINT (Bruker 1997)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997)'
_computing_publication_material  'SHELXTL (Sheldrick, 1997)'
_computing_structure_refinement  'SHELX-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELX-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 'not measured'
_diffrn_measured_fraction_theta_full 0.960
_diffrn_measured_fraction_theta_max 0.960
_diffrn_measurement_device_type  'Bruker AXS CCD'
_diffrn_measurement_method       'phi and omega 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  0.0267
_diffrn_reflns_av_sigmaI/netI    0.0222
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            6704
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.35
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.306
_exptl_absorpt_correction_T_max  0.571
_exptl_absorpt_correction_T_min  0.432
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.251
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             464
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.13
_refine_diff_density_max         3.777
_refine_diff_density_min         -7.061
_refine_diff_density_rms         0.298
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.452
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     95
_refine_ls_number_reflns         1755
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.452
_refine_ls_R_factor_all          0.0583
_refine_ls_R_factor_gt           0.0574
_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^)+(0.0000P)^2^+22.3958P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1491
_refine_ls_wR_factor_ref         0.1495
_reflns_number_gt                1714
_reflns_number_total             1755
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jp047189bsi20040628_072503.cif
_cod_data_source_block           apr22m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '543-545K' was changed to '544.0(10)'
- the average value was taken and precision was
estimated.

'_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 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1506381