Synthesis and crystal structure of 3-N-acetyl-5-(pyridin-3-yl)-2-(quinolin-2-yl)-1,3,4-oxadiazoline, C18H14N4O2
Yu, Xiang; Peng, Lu; Wang, Xin; Chen, Ya-Fang; Zeitschrift für Kristallographie - New Crystal Structures 235 (2020) 1067–1068; doi:10.1515/ncrs-2020-0174

data_8105380
_publ_section_title
;
 Synthesis and crystal structure of
 3-N-acetyl-5-(pyridin-3-yl)-2-(quinolin-2-yl)-1,3,4-oxadiazoline,
 C18H14N4O2
;
_journal_issue                   5
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              1067
_journal_page_last               1068
_journal_paper_doi               10.1515/ncrs-2020-0174
_journal_volume                  235
_journal_year                    2020
_chemical_formula_moiety         'C18 H14 N4 O2'
_chemical_formula_sum            'C18 H14 N4 O2'
_chemical_formula_weight         318.33
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                61.6430(10)
_cell_angle_beta                 73.600(2)
_cell_angle_gamma                75.397(2)
_cell_formula_units_Z            2
_cell_length_a                   7.6557(7)
_cell_length_b                   11.0905(8)
_cell_length_c                   11.3544(9)
_cell_measurement_reflns_used    1358
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      28.114
_cell_measurement_theta_min      2.801
_cell_volume                     805.86(11)
_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
;
XL, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_diffrn_ambient_temperature      298.15
_diffrn_measured_fraction_theta_full 0.963
_diffrn_measured_fraction_theta_max 0.963
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0293
_diffrn_reflns_av_unetI/netI     0.0669
_diffrn_reflns_Laue_measured_fraction_full 0.963
_diffrn_reflns_Laue_measured_fraction_max 0.963
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            3916
_diffrn_reflns_point_group_measured_fraction_full 0.963
_diffrn_reflns_point_group_measured_fraction_max 0.963
_diffrn_reflns_theta_full        25.020
_diffrn_reflns_theta_max         25.020
_diffrn_reflns_theta_min         2.801
_exptl_absorpt_coefficient_mu    0.089
_exptl_crystal_density_diffrn    1.312
_exptl_crystal_description       block
_exptl_crystal_F_000             332
_exptl_crystal_size_max          0.450
_exptl_crystal_size_mid          0.440
_exptl_crystal_size_min          0.400
_refine_diff_density_max         0.214
_refine_diff_density_min         -0.240
_refine_diff_density_rms         0.056
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.939
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         2736
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.939
_refine_ls_R_factor_all          0.0976
_refine_ls_R_factor_gt           0.0609
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0937P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1478
_refine_ls_wR_factor_ref         0.1633
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                1688
_reflns_number_total             2736
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            suppl_ncrs-2020-0174_suppl.cif
_cod_data_source_block           191105c
_cod_database_code               8105380
_shelx_estimated_absorpt_t_max   0.965
_shelx_estimated_absorpt_t_min   0.961
_shelx_shelxl_version_number     2014/7