The Same but Different: Isostructural Polymorphs and the Case of 3-Chloromandelic Acid
Coles, Simon J.; Threlfall, Terence L.; Tizzard, Graham J.; Crystal Growth & Design 14 (2014) 1623–; doi:10.1021/cg401655h

data_4510366
_publ_section_title
;
 The Same but Different: Isostructural Polymorphs and the Case of
 3-Chloromandelic Acid
;
_journal_issue                   4
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1623
_journal_paper_doi               10.1021/cg401655h
_journal_volume                  14
_journal_year                    2014
_chemical_formula_moiety         'C8 H7 Cl O3'
_chemical_formula_sum            'C8 H7 Cl O3'
_chemical_formula_weight         186.59
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 93.690(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.6101(5)
_cell_length_b                   10.4552(7)
_cell_length_c                   9.3914(7)
_cell_measurement_reflns_used    7537
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.9
_cell_volume                     843.66(10)
_computing_cell_refinement
;
CrystalClear-SM Expert 3.1 b27 (Rigaku, 2013)
;
_computing_data_collection
;
CrystalClear-SM Expert 3.1 b27 (Rigaku, 2013)
;
_computing_data_reduction
;
CrystalClear-SM Expert 3.1 b27 (Rigaku, 2013)
;
_computing_molecular_graphics
'OLEX2 (Dolomanov, Bourhis, Gildea, Howard & Puschmann, 2009)'
_computing_publication_material  'WINGX (Farrugia, 1998)'
_computing_structure_refinement  'SHELXL-2012 (Sheldrick, 2012)'
_computing_structure_solution    'SUPERFLIP (Palatinus & Chapuis, 2007)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 28.5714
_diffrn_detector_type            'Rigaku HG Saturn724+ (2x2 bin mode)'
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'four-circle \k diffractometer'
_diffrn_measurement_device_type  'Rigaku AFC12 (Right)'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support 'MiTeGen MicroMesh'
_diffrn_radiation_collimation    'Confocal mirrors, VHF Varimax'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.1178
_diffrn_reflns_av_unetI/netI     0.0693
_diffrn_reflns_Laue_measured_fraction_full 0.972
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            7537
_diffrn_reflns_point_group_measured_fraction_full 0.972
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.025
_diffrn_reflns_theta_min         2.919
_diffrn_source                   'Rotating Anode'
_diffrn_source_current           55.0
_diffrn_source_power             2.475
_diffrn_source_voltage           45.0
_exptl_absorpt_coefficient_mu    0.413
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.655
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrystalClear-SM Expert 3.1 b27 (Rigaku, 2013)
;
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.469
_exptl_crystal_description       Chip
_exptl_crystal_F_000             384
_exptl_crystal_size_max          0.050
_exptl_crystal_size_mid          0.040
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.311
_refine_diff_density_min         -0.349
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     112
_refine_ls_number_reflns         1483
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.1224
_refine_ls_R_factor_gt           0.0676
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0769P)^2^+0.5787P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1678
_refine_ls_wR_factor_ref         0.1978
_reflns_Friedel_coverage         0.000
_reflns_number_gt                849
_reflns_number_total             1483
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cg401655h_si_001.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_database_code               4510366
_shelx_estimated_absorpt_t_min   0.980
_shelx_estimated_absorpt_t_max   0.992
_shelxl_version_number           2013-3
_shelx_res_checksum              2578
_shelx_hkl_checksum              411