The crystal structure of (E)-N′-(pyridin-2-ylmethylene)pyrazine-2-carbohydrazide, C11H9N5O
Xi-Shi, Tai; Peng-Fei, Li; Zeitschrift für Kristallographie - New Crystal Structures 233 (2018) 121–122; doi:10.1515/ncrs-2017-0208

data_8106068
_publ_section_title
;
 The crystal structure of
 (E)-N&#x2032;-(pyridin-2-ylmethylene)pyrazine-2-carbohydrazide, C11H9N5O
;
_journal_issue                   1
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              121
_journal_page_last               122
_journal_paper_doi               10.1515/ncrs-2017-0208
_journal_volume                  233
_journal_year                    2018
_chemical_formula_sum            'C11 H9 N5 O'
_chemical_formula_weight         227.23
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 109.91(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   14.203(3)
_cell_length_b                   11.036(2)
_cell_length_c                   14.303(3)
_cell_measurement_reflns_used    2476
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.4523
_cell_measurement_theta_min      2.2342
_cell_volume                     2107.9(8)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    DIAMOND
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.806
_diffrn_measured_fraction_theta_max 0.806
_diffrn_measurement_device_type  'Bruker Smart Apex CCD'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0385
_diffrn_reflns_av_sigmaI/netI    0.0296
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            13154
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.03
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_T_max  0.9852
_exptl_absorpt_correction_T_min  0.9803
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            YELLOW
_exptl_crystal_density_diffrn    1.432
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.204
_refine_diff_density_min         -0.165
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.096
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     307
_refine_ls_number_reflns         2984
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.096
_refine_ls_R_factor_all          0.0447
_refine_ls_R_factor_gt           0.0381
_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^)+(0.0677P)^2^+0.1643P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1022
_refine_ls_wR_factor_ref         0.1119
_reflns_number_gt                2476
_reflns_number_total             2984
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            suppl_ncrs-2017-0208_suppl.cif
_cod_data_source_block           ww
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'MONOCLINIC' was changed to
'monoclinic' in accordance with the built-in table derived from the
CIF Core dictionary named 'cif_core.dic' version 2.4.5 last updated
on 2014-11-21.

Automatic conversion script
Id: cif_fix_values 8738 2021-04-28 16:35:53Z antanas 
;
_cod_original_cell_volume        2107.9(7)
_cod_original_sg_symbol_H-M      p21/N
_cod_database_code               8106068