#------------------------------------------------------------------------------
#$Date: 2011-09-28 15:24:46 +0100 (Wed, 28 Sep 2011) $
#$Revision: 26848 $
#$URL: svn://www.crystallography.net/cod/cif/2/20/46/2204631.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2204631
loop_
_publ_author_name
'Shao, Si-Chang'
'You, Zhong-Lu'
'Tang, Lu-Lu'
'Lin, Yong-Shan'
'Zhu, Hai-Liang'
_publ_section_title
;
The Schiff base pyridine-2-carboxaldehyde picoloylhydrazone
;
_journal_issue                   12
_journal_name_full               'Acta Crystallographica, Section E'
_journal_page_first              o2185
_journal_page_last               o2186
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C12 H10 N4 O'
_chemical_formula_moiety         'C12 H10 N4 O'
_chemical_formula_sum            'C12 H10 N4 O'
_chemical_formula_weight         226.24
_chemical_name_common            'pyridine-2-carboxaldehyde picoloylhydrazone'
_chemical_name_systematic
;
pyridine-2-carboxaldehyde (pyridine-2-carbonyl)hydrazone
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 105.640(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.499(7)
_cell_length_b                   13.783(11)
_cell_length_c                   9.820(8)
_cell_measurement_reflns_used    1076
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      24.331
_cell_measurement_theta_min      2.610
_cell_volume                     1107.8(15)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997b)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997a)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       \w
_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  0.0719
_diffrn_reflns_av_sigmaI/netI    0.1023
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            6003
_diffrn_reflns_theta_full        26.50
_diffrn_reflns_theta_max         26.50
_diffrn_reflns_theta_min         2.61
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.9756
_exptl_absorpt_correction_T_min  0.9711
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.357
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.27
_refine_diff_density_max         0.149
_refine_diff_density_min         -0.182
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.902
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     157
_refine_ls_number_reflns         2277
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.902
_refine_ls_R_factor_all          0.1358
_refine_ls_R_factor_gt           0.0689
_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^)+(0.0465P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1186
_refine_ls_wR_factor_ref         0.1360
_reflns_number_gt                1126
_reflns_number_total             2277
_reflns_threshold_expression     'I > 2\s(I)'
_[local]_cod_data_source_file    cf6388.cif
_[local]_cod_cif_authors_sg_H-M  'P 21/n'
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 
;
_cod_database_code               2204631
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x+1/2, y+1/2, -z+1/2'
'-x, -y, -z'
'x-1/2, -y-1/2, z-1/2'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_occupancy
_atom_site_type_symbol
O1 0.6510(2) 0.08084(11) 0.2813(2) 0.0770(7) Uani d . 1 O
N1 0.4125(2) 0.28092(13) 0.1250(2) 0.0511(6) Uani d . 1 N
N2 0.3941(2) 0.08883(13) 0.1349(2) 0.0522(6) Uani d D 1 N
N3 0.3753(2) -0.00976(12) 0.1317(2) 0.0504(5) Uani d . 1 N
N4 0.0500(2) -0.16982(13) -0.0199(2) 0.0546(6) Uani d . 1 N
C1 0.5457(3) 0.23552(15) 0.2013(2) 0.0417(6) Uani d . 1 C
C2 0.6879(3) 0.28241(15) 0.2691(2) 0.0492(6) Uani d . 1 C
H2 0.7776 0.2477 0.3218 0.059 Uiso calc R 1 H
C3 0.6948(3) 0.38127(16) 0.2577(3) 0.0538(7) Uani d . 1 C
H3 0.7897 0.4149 0.3017 0.065 Uiso calc R 1 H
C4 0.5601(3) 0.42937(16) 0.1806(3) 0.0582(7) Uani d . 1 C
H4 0.5614 0.4965 0.1716 0.070 Uiso calc R 1 H
C5 0.4224(3) 0.37719(17) 0.1162(3) 0.0613(8) Uani d . 1 C
H5 0.3312 0.4108 0.0638 0.074 Uiso calc R 1 H
C6 0.5383(3) 0.12788(16) 0.2109(3) 0.0484(6) Uani d . 1 C
C7 0.2353(3) -0.04060(15) 0.0610(3) 0.0494(6) Uani d . 1 C
H7 0.1541 0.0032 0.0174 0.059 Uiso calc R 1 H
C8 0.2030(3) -0.14499(15) 0.0489(2) 0.0438(6) Uani d . 1 C
C9 0.3224(3) -0.21226(16) 0.1065(3) 0.0522(7) Uani d . 1 C
H9 0.4274 -0.1923 0.1539 0.063 Uiso calc R 1 H
C10 0.2840(3) -0.30863(17) 0.0930(3) 0.0656(8) Uani d . 1 C
H10 0.3623 -0.3553 0.1316 0.079 Uiso calc R 1 H
C11 0.1290(3) -0.33544(17) 0.0221(3) 0.0647(8) Uani d . 1 C
H11 0.0997 -0.4006 0.0109 0.078 Uiso calc R 1 H
C12 0.0182(3) -0.26445(18) -0.0320(3) 0.0605(8) Uani d . 1 C
H12 -0.0869 -0.2834 -0.0808 0.073 Uiso calc R 1 H
H2A 0.312(2) 0.1280(15) 0.091(2) 0.080 Uiso d D 1 H
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
O1 0.0644(12) 0.0515(10) 0.0969(16) 0.0127(8) -0.0096(11) -0.0082(10)
N1 0.0456(12) 0.0536(12) 0.0510(14) 0.0001(9) 0.0076(11) 0.0045(10)
N2 0.0516(13) 0.0447(11) 0.0569(15) 0.0001(9) 0.0090(11) -0.0020(10)
N3 0.0525(12) 0.0483(11) 0.0505(14) -0.0007(9) 0.0140(11) -0.0019(10)
N4 0.0485(13) 0.0609(12) 0.0549(14) -0.0087(9) 0.0148(11) 0.0010(11)
C1 0.0428(14) 0.0505(13) 0.0350(14) 0.0008(10) 0.0159(12) -0.0014(11)
C2 0.0463(14) 0.0576(14) 0.0424(16) 0.0009(11) 0.0099(13) 0.0018(12)
C3 0.0571(16) 0.0563(15) 0.0487(17) -0.0083(12) 0.0158(13) -0.0018(13)
C4 0.0636(17) 0.0483(13) 0.0643(19) -0.0029(12) 0.0199(15) 0.0060(13)
C5 0.0531(17) 0.0567(15) 0.071(2) 0.0057(12) 0.0115(15) 0.0156(14)
C6 0.0474(15) 0.0524(14) 0.0461(16) 0.0016(11) 0.0139(13) -0.0057(12)
C7 0.0436(14) 0.0538(14) 0.0519(17) 0.0002(11) 0.0146(13) 0.0087(12)
C8 0.0477(15) 0.0533(13) 0.0334(14) -0.0001(11) 0.0160(12) 0.0019(11)
C9 0.0468(14) 0.0595(15) 0.0522(17) 0.0003(11) 0.0169(13) -0.0008(13)
C10 0.0657(19) 0.0589(16) 0.078(2) 0.0115(13) 0.0294(16) 0.0033(15)
C11 0.081(2) 0.0543(15) 0.071(2) -0.0107(14) 0.0405(17) -0.0108(15)
C12 0.0584(17) 0.0678(17) 0.0590(19) -0.0161(13) 0.0219(15) -0.0099(14)
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
N N 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
C5 N1 C1 116.38(19)
C6 N2 N3 119.18(19)
C6 N2 H2A 119.7(16)
N3 N2 H2A 121.0(16)
C7 N3 N2 115.41(19)
C12 N4 C8 116.3(2)
N1 C1 C2 123.7(2)
N1 C1 C6 117.3(2)
C2 C1 C6 119.0(2)
C3 C2 C1 118.7(2)
C3 C2 H2 120.7
C1 C2 H2 120.7
C4 C3 C2 118.8(2)
C4 C3 H3 120.6
C2 C3 H3 120.6
C3 C4 C5 119.0(2)
C3 C4 H4 120.5
C5 C4 H4 120.5
N1 C5 C4 123.5(2)
N1 C5 H5 118.3
C4 C5 H5 118.3
O1 C6 N2 124.0(2)
O1 C6 C1 122.0(2)
N2 C6 C1 114.0(2)
N3 C7 C8 119.9(2)
N3 C7 H7 120.1
C8 C7 H7 120.1
N4 C8 C9 122.9(2)
N4 C8 C7 115.3(2)
C9 C8 C7 121.8(2)
C10 C9 C8 119.0(2)
C10 C9 H9 120.5
C8 C9 H9 120.5
C11 C10 C9 119.0(2)
C11 C10 H10 120.5
C9 C10 H10 120.5
C12 C11 C10 118.4(2)
C12 C11 H11 120.8
C10 C11 H11 120.8
N4 C12 C11 124.5(2)
N4 C12 H12 117.8
C11 C12 H12 117.8
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
O1 C6 1.208(2)
N1 C5 1.334(3)
N1 C1 1.334(3)
N2 C6 1.362(3)
N2 N3 1.368(3)
N2 H2A 0.897(9)
N3 C7 1.278(3)
N4 C12 1.331(3)
N4 C8 1.338(3)
C1 C2 1.374(3)
C1 C6 1.489(3)
C2 C3 1.370(3)
C2 H2 0.9300
C3 C4 1.362(3)
C3 H3 0.9300
C4 C5 1.374(3)
C4 H4 0.9300
C5 H5 0.9300
C7 C8 1.464(3)
C7 H7 0.9300
C8 C9 1.378(3)
C9 C10 1.366(3)
C9 H9 0.9300
C10 C11 1.365(3)
C10 H10 0.9300
C11 C12 1.363(3)
C11 H11 0.9300
C12 H12 0.9300