Comparison of pyridyl and pyridyl N-oxide groups as acceptor in hydrogen bonding with carboxylic acid
Saraswatula, Viswanadha G.; Bhat, Mukhtar A.; Gurunathan, Pradeep Kumar; Saha, Binoy K.; CrystEngComm 16 (2014) 4715–; doi:10.1039/c3ce42449a

data_7215929
_publ_section_title
;
 Comparison of pyridyl and pyridyl N-oxide groups as acceptor in hydrogen
 bonding with carboxylic acid
;
_journal_issue                   22
_journal_name_full               CrystEngComm
_journal_page_first              4715
_journal_paper_doi               10.1039/c3ce42449a
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C7 H6 O3, C13 H14 N2 O'
_chemical_formula_sum            'C20 H20 N2 O4'
_chemical_formula_weight         352.38
_chemical_name_common            'TBPO.4-hydroxybenzoic acid'
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_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_date             2012-10-10
_audit_creation_method
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  Olex2 1.2
  (compiled 2012.05.09 svn.r2324, GUI svn.r4230)
;
_cell_angle_alpha                100.669(13)
_cell_angle_beta                 93.653(12)
_cell_angle_gamma                95.958(13)
_cell_formula_units_Z            2
_cell_length_a                   6.2766(9)
_cell_length_b                   7.8957(13)
_cell_length_c                   17.992(3)
_cell_measurement_reflns_used    2100
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      29.3971
_cell_measurement_theta_min      2.6381
_cell_volume                     868.4(2)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.44 (release 25-10-2010 CrysAlis171 .NET)
(compiled Oct 25 2010,18:11:34)
;
_computing_data_collection
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.44 (release 25-10-2010 CrysAlis171 .NET)
(compiled Oct 25 2010,18:11:34)
;
_computing_data_reduction
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.44 (release 25-10-2010 CrysAlis171 .NET)
(compiled Oct 25 2010,18:11:34)
;
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
SHELXL, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_computing_structure_solution
;
SHELXS, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_diffrn_ambient_temperature      298(2)
_diffrn_detector_area_resol_mean 15.9821
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_details
;
  1 omega   -8.00   86.00   1.0000   30.0000
omega____ theta____ kappa____ phi______ frames
    -       18.9803   77.0000    0.0000 94

  2 omega  -48.00  -19.00   1.0000   30.0000
omega____ theta____ kappa____ phi______ frames
    -       18.9803  -77.0000  120.0000 29

  3 omega   -7.00   88.00   1.0000   30.0000
omega____ theta____ kappa____ phi______ frames
    -       18.9803   77.0000  150.0000 95

  4 omega   16.00   42.00   1.0000   30.0000
omega____ theta____ kappa____ phi______ frames
    -       18.9803   52.0000  109.0000 26

  5 omega  -45.00   48.00   1.0000   30.0000
omega____ theta____ kappa____ phi______ frames
    -       18.9803  -77.0000 -120.0000 93

  6 omega  -94.00  -32.00   1.0000   30.0000
omega____ theta____ kappa____ phi______ frames
    -      -17.3397  179.0000   30.0000 62

  7 omega  -94.00  -32.00   1.0000   30.0000
omega____ theta____ kappa____ phi______ frames
    -      -17.3397  179.0000  -90.0000 62

  8 omega  -11.00   14.00   1.0000   30.0000
omega____ theta____ kappa____ phi______ frames
    -       18.9803   77.0000 -120.0000 25
;
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      0.0772008000
_diffrn_orient_matrix_UB_12      0.0417564000
_diffrn_orient_matrix_UB_13      -0.0198242000
_diffrn_orient_matrix_UB_21      0.0362111000
_diffrn_orient_matrix_UB_22      -0.0810767000
_diffrn_orient_matrix_UB_23      -0.0140767000
_diffrn_orient_matrix_UB_31      -0.0757112000
_diffrn_orient_matrix_UB_32      -0.0125411000
_diffrn_orient_matrix_UB_33      -0.0320925000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0559
_diffrn_reflns_av_unetI/netI     0.0922
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            7466
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.64
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.94554
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.44 (release 25-10-2010 CrysAlis171 .NET)
(compiled Oct 25 2010,18:11:34)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_density_diffrn    1.348
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             372
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.31
_refine_diff_density_max         0.282
_refine_diff_density_min         -0.193
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.995
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     243
_refine_ls_number_reflns         3067
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.995
_refine_ls_R_factor_all          0.1378
_refine_ls_R_factor_gt           0.0728
_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^)+(0.0875P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1627
_refine_ls_wR_factor_ref         0.2071
_reflns_number_gt                1585
_reflns_number_total             3067
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce42449a.txt
_cod_data_source_block           TBPO-phba
_cod_original_cell_volume        868.3(2)
_cod_database_code               7215929