Polymorphism and Phase Behaviors of 2-(Phenylamino)nicotinic Acid
Long, Sihui; Parkin, Sean; Siegler, Maxime A.; Cammers, Arthur; Li, Tonglei; Crystal Growth & Design 8 (2008) 4006–; doi:10.1021/cg800123z

data_4503597
_publ_section_title
;
 Polymorphism and Phase Behaviors of 2-(Phenylamino)nicotinic Acid
;
_journal_issue                   11
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              4006
_journal_paper_doi               10.1021/cg800123z
_journal_volume                  8
_journal_year                    2008
_chemical_formula_moiety         'C12 H10 N2 O2'
_chemical_formula_sum            'C12 H10 N2 O2'
_chemical_formula_weight         214.22
_chemical_name_systematic
; 
 2-(Phenylamino)nicotinic acid  
;
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_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                 99.76(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.837(3)
_cell_length_b                   5.491(1)
_cell_length_c                   11.723(2)
_cell_measurement_reflns_used    2528
_cell_measurement_temperature    90.0(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.00
_cell_volume                     1004.7(3)
_computing_cell_refinement       'DENZO-SMN (Nonius, 1997)'
_computing_data_collection       'COLLECT (Nonius, 2002)'
_computing_data_reduction        'DENZO-SMN (Nonius, 1997)'
_computing_molecular_graphics    'XP in SHELXTL (Bruker, 1995)'
_computing_publication_material  'SHELX-97 and local procedures'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      90.0(2)
_diffrn_detector_area_resol_mean 18
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius KappaCCD diffractometer'
_diffrn_measurement_method       '\w scans at fixed \c = 55\%'
_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  0.0208
_diffrn_reflns_av_sigmaI/netI    0.0323
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            4331
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         1.30
_exptl_absorpt_coefficient_mu    0.099
_exptl_absorpt_correction_T_max  0.9970
_exptl_absorpt_correction_T_min  0.9615
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Scalepack (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.416
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             448
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.259
_refine_diff_density_min         -0.236
_refine_diff_density_rms         0.050
_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     146
_refine_ls_number_reflns         2293
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0561
_refine_ls_R_factor_gt           0.0417
_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^)+(0.0654P)^2^+0.1902P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1053
_refine_ls_wR_factor_ref         0.1144
_reflns_number_gt                1796
_reflns_number_total             2293
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            cg800123z_si_001.cif
_cod_data_source_block           alpha
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4503597