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_7215931
_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         'C10 H8 N2 O, C7 H6 O3'
_chemical_formula_sum            'C17 H14 N2 O4'
_chemical_formula_weight         310.30
_chemical_name_common            'BPO.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                88.34(2)
_cell_angle_beta                 78.438(19)
_cell_angle_gamma                73.56(3)
_cell_formula_units_Z            2
_cell_length_a                   6.4902(17)
_cell_length_b                   7.288(2)
_cell_length_c                   16.056(3)
_cell_measurement_reflns_used    938
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      29.1438
_cell_measurement_theta_min      2.5856
_cell_volume                     713.3(3)
_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 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_details
;
  1 omega  -11.00   86.00   1.0000   12.2400
omega____ theta____ kappa____ phi______ frames
    -       18.9803   77.0000 -150.0000 97

  2 omega  -49.00  -13.00   1.0000   12.2400
omega____ theta____ kappa____ phi______ frames
    -       18.9803  -77.0000  -30.0000 36

  3 omega  -10.00   89.00   1.0000   12.2400
omega____ theta____ kappa____ phi______ frames
    -       18.9803   77.0000    0.0000 99

  4 omega   19.00   89.00   1.0000   12.2400
omega____ theta____ kappa____ phi______ frames
    -       18.9803   77.0000 -120.0000 70

  5 omega  -47.00   47.00   1.0000   12.2400
omega____ theta____ kappa____ phi______ frames
    -       18.9803  -77.0000   90.0000 94

  6 omega  -94.00  -69.00   1.0000   12.2400
omega____ theta____ kappa____ phi______ frames
    -      -17.3397  179.0000 -120.0000 25

  7 omega  -94.00  -32.00   1.0000   12.2400
omega____ theta____ kappa____ phi______ frames
    -      -17.3397  179.0000  120.0000 62
;
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      -0.0724680000
_diffrn_orient_matrix_UB_12      0.0538751000
_diffrn_orient_matrix_UB_13      -0.0252922000
_diffrn_orient_matrix_UB_21      0.0671359000
_diffrn_orient_matrix_UB_22      -0.0533568000
_diffrn_orient_matrix_UB_23      -0.0367246000
_diffrn_orient_matrix_UB_31      -0.0613913000
_diffrn_orient_matrix_UB_32      -0.0674992000
_diffrn_orient_matrix_UB_33      0.0068336000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0472
_diffrn_reflns_av_unetI/netI     0.0964
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            6047
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.59
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.105
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.50642
_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_colour            colorless
_exptl_crystal_density_diffrn    1.445
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             324
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.240
_refine_diff_density_min         -0.231
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.972
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     216
_refine_ls_number_reflns         2514
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.972
_refine_ls_R_factor_all          0.1789
_refine_ls_R_factor_gt           0.0616
_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^)+(0.0523P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1182
_refine_ls_wR_factor_ref         0.1693
_reflns_number_gt                1015
_reflns_number_total             2514
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce42449a.txt
_cod_data_source_block           BPO-phba
_cod_database_code               7215931