Hydrogen-bonded dimer stacking induced emission of aminobenzoic acid compounds.
Zhou, Tianlei; Li, Feng; Fan, Yan; Song, Weifeng; Mu, Xiaoyue; Zhang, Hongyu; Wang, Yue; Chemical communications (Cambridge, England) 34 (2009) 3199–3201; doi:10.1039/b900476a

data_7104492
_publ_section_title
;
 Hydrogen-bonded dimer stacking induced emission of aminobenzoic acid
 compounds.
;
_journal_issue                   22
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              3199
_journal_page_last               3201
_journal_paper_doi               10.1039/b900476a
_journal_volume                  34
_journal_year                    2009
_chemical_formula_sum            'C14 H13 N O2'
_chemical_formula_weight         227.25
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                93.33(3)
_cell_angle_beta                 91.87(3)
_cell_angle_gamma                113.99(3)
_cell_formula_units_Z            2
_cell_length_a                   6.4397(13)
_cell_length_b                   7.3561(15)
_cell_length_c                   13.882(3)
_cell_measurement_reflns_used    3787
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.04
_cell_volume                     598.7(2)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        PROCESS-AUTO
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean none
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Omega scan'
_diffrn_measurement_method       10.0
_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  0.0332
_diffrn_reflns_av_sigmaI/netI    0.0507
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            5927
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.04
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  .
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.9912
_exptl_absorpt_correction_T_min  0.9719
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Higash,T(1995) Progrom for Absorption Correcttion.
Rigaku Corporation,Tokyo,Japan.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.261
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             240
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.173
_refine_diff_density_min         -0.138
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.992
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     156
_refine_ls_number_reflns         2714
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.992
_refine_ls_R_factor_all          0.1105
_refine_ls_R_factor_gt           0.0590
_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^)+(0.0504P)^2^+0.1753P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1255
_refine_ls_wR_factor_ref         0.1437
_reflns_number_gt                1535
_reflns_number_total             2714
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b900476a.txt
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' 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-1 '
_cod_database_code               7104492