Neutral and Zwitterionic Polymorphs of 2-(p-Tolylamino)nicotinic Acid
Nath, Naba K.; Kumar, S. Sudalai; Nangia, Ashwini; Crystal Growth & Design 11 (2011) 4594–; doi:10.1021/cg200853u

data_4501192
_publ_section_title
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 Neutral and Zwitterionic Polymorphs of 2-(p-Tolylamino)nicotinic Acid
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_journal_issue                   10
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              4594
_journal_paper_doi               10.1021/cg200853u
_journal_volume                  11
_journal_year                    2011
_chemical_formula_sum            'C13 H12 N2 O2'
_chemical_formula_weight         228.25
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   9.250(4)
_cell_length_b                   14.207(4)
_cell_length_c                   17.509(10)
_cell_measurement_reflns_used    812
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.0122
_cell_measurement_theta_min      2.7274
_cell_volume                     2300.9(18)
_computing_cell_refinement
;
 CrysAlisPro, Oxford Diffraction Ltd.,
 Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
 (compiled Jan 5 2010,16:28:46)
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_computing_data_collection
;
 CrysAlisPro, Oxford Diffraction Ltd.,
 Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
 (compiled Jan 5 2010,16:28:46)
;
_computing_data_reduction
;
 CrysAlisPro, Oxford Diffraction Ltd.,
 Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
 (compiled Jan 5 2010,16:28:46)
;
_computing_molecular_graphics
;
 OLEX2: a complete structure solution, refinement and analysis program.
 Dolomanov et al., J. Appl. Cryst. (2009). 42, 339-341
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_computing_publication_material
;
 OLEX2: a complete structure solution, refinement and analysis program.
 Dolomanov et al., J. Appl. Cryst. (2009). 42, 339-341
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)/Bruker'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 16.3291
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_details
;
 1 omega -43.00 74.00 1.0000 40.0000
 omega____ theta____ kappa____ phi______ frames
 - 18.6222 0.0000 -180.0000 117
 2 omega 62.00 92.00 1.0000 40.0000
 omega____ theta____ kappa____ phi______ frames
 - 18.6222 179.0000 0.0000 30
 3 omega -3.00 23.00 1.0000 40.0000
 omega____ theta____ kappa____ phi______ frames
 - -18.8566 -106.0000 -95.0000 26
;
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      -0.0553812412
_diffrn_orient_matrix_UB_12      -0.0085763635
_diffrn_orient_matrix_UB_13      0.0272583131
_diffrn_orient_matrix_UB_21      0.0531409025
_diffrn_orient_matrix_UB_22      -0.0092362872
_diffrn_orient_matrix_UB_23      0.0282052236
_diffrn_orient_matrix_UB_31      0.0001471416
_diffrn_orient_matrix_UB_32      0.0481888459
_diffrn_orient_matrix_UB_33      0.0102180371
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0711
_diffrn_reflns_av_sigmaI/netI    0.0892
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            5988
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         2.87
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_T_max  1.0
_exptl_absorpt_correction_T_min  0.59333
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 CrysAlisPro, Oxford Diffraction Ltd.,
 Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
 (compiled Jan 5 2010,16:28:46)
 Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_density_diffrn    1.318
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.31
_refine_diff_density_max         0.152
_refine_diff_density_min         -0.149
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.929
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         2097
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.929
_refine_ls_R_factor_all          0.1578
_refine_ls_R_factor_gt           0.0646
_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^)+(0.0583P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1350
_refine_ls_wR_factor_ref         0.1537
_reflns_number_gt                866
_reflns_number_total             2097
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg200853u_si_004.cif
_cod_data_source_block           Form-III-298K
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 
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_cod_original_cell_volume        2301.1(17)
_cod_database_code               4501192