#------------------------------------------------------------------------------
#$Date: 2025-08-19 15:49:58 +0100 (Tue, 19 Aug 2025) $
#$Revision: 301806 $
#$URL: svn://www.crystallography.net/cod/cif/2/23/88/2238849.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_2238849
loop_
_publ_author_name
'Li, Yang'
'Sun, Chen'
'Zhang, Ran'
_publ_section_title
;
Ethyl
8-(2,4-dichlorophenyl)-6-methyl-1,2,4-triazolo[1,5-a]pyridine-7-carboxylate
;
_journal_issue 12
_journal_name_full 'Acta Crystallographica Section E'
_journal_page_first o1796
_journal_paper_doi 10.1107/S160053681303033X
_journal_volume 69
_journal_year 2013
_chemical_formula_iupac 'C16 H13 Cl2 N3 O2'
_chemical_formula_moiety 'C16 H13 Cl2 N3 O2'
_chemical_formula_sum 'C16 H13 Cl2 N3 O2'
_chemical_formula_weight 350.19
_chemical_name_systematic
'Ethyl 8-(2,4-dichlorophenyl)-6-methyl-1,2,4-triazolo[1,5-a]pyridine-7-carboxylate'
_space_group_IT_number 61
_symmetry_cell_setting orthorhombic
_symmetry_space_group_name_Hall '-P 2ac 2ab'
_symmetry_space_group_name_H-M 'P b c a'
_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 90.00
_cell_angle_gamma 90.00
_cell_formula_units_Z 8
_cell_length_a 14.693(2)
_cell_length_b 13.531(2)
_cell_length_c 16.347(2)
_cell_measurement_reflns_used 5439
_cell_measurement_temperature 298(2)
_cell_measurement_theta_max 26.57
_cell_measurement_theta_min 2.40
_cell_volume 3250.0(8)
_computing_cell_refinement 'SAINT (Bruker, 1999)'
_computing_data_collection 'SMART (Bruker, 1998)'
_computing_data_reduction 'SAINT (Bruker, 1999)'
_computing_molecular_graphics 'SHELXTL (Sheldrick, 2008)'
_computing_publication_material 'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement 'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution 'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature 298(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type 'Brucker SMART APEXII CCD area-detector'
_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 0.0904
_diffrn_reflns_av_sigmaI/netI 0.0439
_diffrn_reflns_limit_h_max 17
_diffrn_reflns_limit_h_min -15
_diffrn_reflns_limit_k_max 16
_diffrn_reflns_limit_k_min -14
_diffrn_reflns_limit_l_max 19
_diffrn_reflns_limit_l_min -19
_diffrn_reflns_number 15766
_diffrn_reflns_theta_full 25.00
_diffrn_reflns_theta_max 25.00
_diffrn_reflns_theta_min 2.40
_exptl_absorpt_coefficient_mu 0.412
_exptl_absorpt_correction_T_max 0.9186
_exptl_absorpt_correction_T_min 0.8762
_exptl_absorpt_correction_type multi-scan
_exptl_absorpt_process_details '(SADABS; Bruker, 1999)'
_exptl_crystal_colour colourless
_exptl_crystal_density_diffrn 1.431
_exptl_crystal_density_method 'not measured'
_exptl_crystal_description block
_exptl_crystal_F_000 1440
_exptl_crystal_size_max 0.33
_exptl_crystal_size_mid 0.26
_exptl_crystal_size_min 0.21
_refine_diff_density_max 0.416
_refine_diff_density_min -0.329
_refine_ls_extinction_method none
_refine_ls_goodness_of_fit_ref 1.069
_refine_ls_hydrogen_treatment constr
_refine_ls_matrix_type full
_refine_ls_number_parameters 210
_refine_ls_number_reflns 2860
_refine_ls_number_restraints 0
_refine_ls_restrained_S_all 1.069
_refine_ls_R_factor_all 0.0678
_refine_ls_R_factor_gt 0.0545
_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^)+(0.0810P)^2^+1.7920P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme calc
_refine_ls_wR_factor_gt 0.1582
_refine_ls_wR_factor_ref 0.1704
_reflns_number_gt 2206
_reflns_number_total 2860
_reflns_threshold_expression I>2sigma(I)
_iucr_refine_instructions_details
;
TITL 120712a in Pbca
CELL 0.71073 14.6934 13.5313 16.3466 90.000 90.000 90.000
ZERR 8.00 0.0021 0.0020 0.0024 0.000 0.000 0.000
LATT 1
SYMM 0.5-X, -Y, 0.5+Z
SYMM -X, 0.5+Y, 0.5-Z
SYMM 0.5+X, 0.5-Y, -Z
SFAC C H N O Cl
UNIT 128 104 24 16 16
OMIT -3.00 50.00
L.S. 8
ACTA
BOND $h
HTAB C7 O1_$1
EQIV $1 x+1/2,+y,-z+1/2
FMAP 2
PLAN 20
size 0.33 0.26 0.21
TEMP 0
WGHT 0.081000 1.792000
FVAR 0.44178
MOLE 1
CL1 5 0.054842 0.402742 0.166478 11.00000 0.09723 0.08029 =
0.14531 -0.01855 0.05833 0.00915
CL2 5 0.198925 0.610613 -0.080781 11.00000 0.14639 0.06070 =
0.13231 0.03957 -0.04480 -0.01497
N1 3 0.261362 0.130467 0.221233 11.00000 0.05687 0.05535 =
0.04379 0.00364 0.00131 0.00634
N2 3 0.329408 0.124005 0.277883 11.00000 0.07049 0.07524 =
0.05440 0.00730 -0.00849 0.00911
N3 3 0.331282 0.275217 0.216313 11.00000 0.05827 0.06541 =
0.05548 -0.00135 -0.00746 -0.00439
O1 4 -0.019136 0.184180 0.056583 11.00000 0.04896 0.12956 =
0.07772 0.00622 0.00298 -0.00081
O2 4 0.096327 0.216346 -0.026019 11.00000 0.06005 0.10143 =
0.04943 0.01407 -0.00432 -0.02234
C1 1 0.081715 0.304974 -0.149068 11.00000 0.12013 0.19242 =
0.10202 0.06752 -0.03663 -0.07063
AFIX 137
H1A 2 0.114007 0.357566 -0.122399 11.00000 -1.50000
H1B 2 0.039061 0.332301 -0.187373 11.00000 -1.50000
H1C 2 0.124151 0.263423 -0.177545 11.00000 -1.50000
AFIX 0
C2 1 0.034732 0.248772 -0.090307 11.00000 0.09102 0.11818 =
0.07676 0.03533 -0.03269 -0.04171
AFIX 23
H2A 2 0.007399 0.191618 -0.116369 11.00000 -1.20000
H2B 2 -0.013679 0.288254 -0.066654 11.00000 -1.20000
AFIX 0
C3 1 0.061107 0.191423 0.044244 11.00000 0.05078 0.04644 =
0.05229 -0.00535 0.00191 -0.00424
C4 1 0.132599 0.172053 0.107246 11.00000 0.04760 0.04421 =
0.04361 -0.00302 0.00728 0.00068
C5 1 0.131444 0.078823 0.149271 11.00000 0.05337 0.04422 =
0.05069 -0.00218 0.01230 -0.00015
C6 1 0.197804 0.059646 0.204625 11.00000 0.06779 0.04484 =
0.05488 0.00557 0.01162 0.00361
AFIX 43
H6 2 0.200028 -0.001175 0.231045 11.00000 -1.20000
AFIX 0
C7 1 0.366909 0.212773 0.271355 11.00000 0.06269 0.08568 =
0.05762 -0.00011 -0.01038 0.00033
AFIX 43
H7 2 0.416125 0.231056 0.303768 11.00000 -1.20000
AFIX 0
C8 1 0.263461 0.221552 0.184548 11.00000 0.05209 0.04796 =
0.04348 -0.00132 0.00373 0.00115
C9 1 0.197254 0.243118 0.123763 11.00000 0.04601 0.04291 =
0.04283 -0.00211 0.00413 0.00099
C10 1 0.201859 0.339972 0.080234 11.00000 0.04739 0.04336 =
0.04728 -0.00454 -0.00619 -0.00256
C11 1 0.137593 0.414056 0.091518 11.00000 0.05584 0.04661 =
0.07653 -0.01133 0.00088 0.00075
C12 1 0.137949 0.498832 0.042685 11.00000 0.06718 0.04065 =
0.10730 -0.00721 -0.01779 0.00749
AFIX 43
H12 2 0.094209 0.547712 0.050022 11.00000 -1.20000
AFIX 0
C13 1 0.203064 0.508750 -0.015585 11.00000 0.07664 0.04524 =
0.07381 0.00539 -0.02358 -0.01003
C14 1 0.270883 0.440273 -0.025700 11.00000 0.07158 0.05498 =
0.05591 0.00304 -0.00175 -0.01310
AFIX 43
H14 2 0.316703 0.450051 -0.064105 11.00000 -1.20000
AFIX 0
C15 1 0.269605 0.356709 0.022294 11.00000 0.05417 0.04759 =
0.05447 0.00263 -0.00047 -0.00299
AFIX 43
H15 2 0.315431 0.309949 0.015825 11.00000 -1.20000
AFIX 0
C16 1 0.059842 0.001773 0.133920 11.00000 0.07077 0.04865 =
0.08057 -0.00062 0.00693 -0.00970
AFIX 137
H16A 2 0.076970 -0.058767 0.160388 11.00000 -1.50000
H16B 2 0.054164 -0.009278 0.076134 11.00000 -1.50000
H16C 2 0.002637 0.024127 0.155427 11.00000 -1.50000
HKLF 4
REM 123 in Pbca
REM R1 = 0.0545 for 2206 Fo > 4sig(Fo) and 0.0678 for all 2860 data
REM 210 parameters refined using 0 restraints
END
WGHT 0.0797 1.8280
REM Highest difference peak 0.416, deepest hole -0.329, 1-sigma level 0.051
;
_cod_data_source_file cv5435.cif
_cod_data_source_block I
_cod_database_code 2238849
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x+1/2, -y, z+1/2'
'-x, y+1/2, -z+1/2'
'x+1/2, -y+1/2, -z'
'-x, -y, -z'
'x-1/2, y, -z-1/2'
'x, -y-1/2, z-1/2'
'-x-1/2, y-1/2, z'
loop_
_atom_site_type_symbol
_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_symmetry_multiplicity
Cl Cl1 0.05484(8) 0.40274(8) 0.16648(8) 0.1076(5) Uani d . 1 1
Cl Cl2 0.19892(9) 0.61061(7) -0.08078(8) 0.1131(5) Uani d . 1 1
N N1 0.26136(16) 0.13047(17) 0.22123(12) 0.0520(6) Uani d . 1 1
N N2 0.32941(18) 0.1240(2) 0.27788(15) 0.0667(7) Uani d . 1 1
N N3 0.33128(17) 0.27522(19) 0.21631(14) 0.0597(6) Uani d . 1 1
O O1 -0.01914(15) 0.1842(2) 0.05658(15) 0.0854(8) Uani d . 1 1
O O2 0.09633(14) 0.21635(17) -0.02602(11) 0.0703(6) Uani d . 1 1
C C1 0.0817(4) 0.3050(5) -0.1491(3) 0.138(2) Uani d . 1 1
H H1A 0.1140 0.3576 -0.1224 0.207 Uiso calc R 1 1
H H1B 0.0391 0.3323 -0.1874 0.207 Uiso calc R 1 1
H H1C 0.1242 0.2634 -0.1775 0.207 Uiso calc R 1 1
C C2 0.0347(3) 0.2488(4) -0.0903(2) 0.0953(13) Uani d . 1 1
H H2A 0.0074 0.1916 -0.1164 0.114 Uiso calc R 1 1
H H2B -0.0137 0.2883 -0.0667 0.114 Uiso calc R 1 1
C C3 0.06111(18) 0.19142(19) 0.04424(16) 0.0498(6) Uani d . 1 1
C C4 0.13260(17) 0.17205(19) 0.10725(15) 0.0451(6) Uani d . 1 1
C C5 0.13144(18) 0.07882(19) 0.14927(16) 0.0494(6) Uani d . 1 1
C C6 0.19780(19) 0.0596(2) 0.20462(17) 0.0558(7) Uani d . 1 1
H H6 0.2000 -0.0012 0.2310 0.067 Uiso calc R 1 1
C C7 0.3669(2) 0.2128(3) 0.27135(19) 0.0687(9) Uani d . 1 1
H H7 0.4161 0.2311 0.3038 0.082 Uiso calc R 1 1
C C8 0.26346(18) 0.22155(19) 0.18455(15) 0.0478(6) Uani d . 1 1
C C9 0.19725(16) 0.24312(18) 0.12376(15) 0.0439(6) Uani d . 1 1
C C10 0.20186(17) 0.33997(18) 0.08023(15) 0.0460(6) Uani d . 1 1
C C11 0.1376(2) 0.4141(2) 0.09152(19) 0.0597(7) Uani d . 1 1
C C12 0.1379(2) 0.4988(2) 0.0427(2) 0.0717(9) Uani d . 1 1
H H12 0.0942 0.5477 0.0500 0.086 Uiso calc R 1 1
C C13 0.2031(2) 0.5087(2) -0.0156(2) 0.0652(8) Uani d . 1 1
C C14 0.2709(2) 0.4403(2) -0.02570(17) 0.0608(7) Uani d . 1 1
H H14 0.3167 0.4501 -0.0641 0.073 Uiso calc R 1 1
C C15 0.26961(18) 0.3567(2) 0.02229(16) 0.0521(7) Uani d . 1 1
H H15 0.3154 0.3099 0.0158 0.062 Uiso calc R 1 1
C C16 0.0598(2) 0.0018(2) 0.1339(2) 0.0667(8) Uani d . 1 1
H H16A 0.0770 -0.0588 0.1604 0.100 Uiso calc R 1 1
H H16B 0.0542 -0.0093 0.0761 0.100 Uiso calc R 1 1
H H16C 0.0026 0.0241 0.1554 0.100 Uiso calc R 1 1
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
Cl1 0.0972(8) 0.0803(7) 0.1453(10) 0.0092(5) 0.0583(7) -0.0185(6)
Cl2 0.1464(10) 0.0607(6) 0.1323(10) -0.0150(6) -0.0448(8) 0.0396(6)
N1 0.0569(13) 0.0554(13) 0.0438(11) 0.0063(11) 0.0013(10) 0.0036(10)
N2 0.0705(16) 0.0752(18) 0.0544(14) 0.0091(14) -0.0085(12) 0.0073(12)
N3 0.0583(14) 0.0654(15) 0.0555(13) -0.0044(11) -0.0075(11) -0.0013(11)
O1 0.0490(13) 0.130(2) 0.0777(15) -0.0008(13) 0.0030(11) 0.0062(15)
O2 0.0600(12) 0.1014(17) 0.0494(11) -0.0223(11) -0.0043(9) 0.0141(10)
C1 0.120(4) 0.192(6) 0.102(3) -0.071(4) -0.037(3) 0.068(4)
C2 0.091(3) 0.118(3) 0.077(2) -0.042(2) -0.033(2) 0.035(2)
C3 0.0508(16) 0.0464(14) 0.0523(14) -0.0042(11) 0.0019(12) -0.0053(11)
C4 0.0476(14) 0.0442(14) 0.0436(13) 0.0007(11) 0.0073(11) -0.0030(10)
C5 0.0534(15) 0.0442(14) 0.0507(14) -0.0001(11) 0.0123(12) -0.0022(11)
C6 0.0678(18) 0.0448(14) 0.0549(15) 0.0036(13) 0.0116(14) 0.0056(12)
C7 0.0627(19) 0.086(2) 0.0576(18) 0.0003(16) -0.0104(15) -0.0001(16)
C8 0.0521(15) 0.0480(15) 0.0435(13) 0.0012(11) 0.0037(11) -0.0013(11)
C9 0.0460(14) 0.0429(13) 0.0428(13) 0.0010(11) 0.0041(10) -0.0021(10)
C10 0.0474(14) 0.0434(14) 0.0473(14) -0.0026(11) -0.0062(11) -0.0045(11)
C11 0.0558(16) 0.0466(16) 0.0765(19) 0.0008(12) 0.0009(14) -0.0113(13)
C12 0.067(2) 0.0407(16) 0.107(3) 0.0075(13) -0.0178(19) -0.0072(16)
C13 0.077(2) 0.0452(16) 0.074(2) -0.0100(15) -0.0236(17) 0.0054(14)
C14 0.0716(19) 0.0550(17) 0.0559(16) -0.0131(14) -0.0018(14) 0.0030(13)
C15 0.0542(16) 0.0476(15) 0.0545(15) -0.0030(12) -0.0005(12) 0.0026(12)
C16 0.0708(19) 0.0487(16) 0.081(2) -0.0097(14) 0.0069(16) -0.0006(15)
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'
Cl Cl 0.1484 0.1585 '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
C6 N1 N2 126.2(2)
C6 N1 C8 124.0(2)
N2 N1 C8 109.7(2)
C7 N2 N1 101.1(2)
C8 N3 C7 102.1(3)
C3 O2 C2 117.9(2)
C2 C1 H1A 109.5
C2 C1 H1B 109.5
H1A C1 H1B 109.5
C2 C1 H1C 109.5
H1A C1 H1C 109.5
H1B C1 H1C 109.5
C1 C2 O2 110.6(3)
C1 C2 H2A 109.5
O2 C2 H2A 109.5
C1 C2 H2B 109.5
O2 C2 H2B 109.5
H2A C2 H2B 108.1
O1 C3 O2 124.0(3)
O1 C3 C4 124.1(3)
O2 C3 C4 111.9(2)
C9 C4 C5 121.8(2)
C9 C4 C3 119.8(2)
C5 C4 C3 118.4(2)
C6 C5 C4 118.6(2)
C6 C5 C16 118.8(3)
C4 C5 C16 122.5(3)
C5 C6 N1 119.4(2)
C5 C6 H6 120.3
N1 C6 H6 120.3
N2 C7 N3 117.6(3)
N2 C7 H7 121.2
N3 C7 H7 121.2
N3 C8 N1 109.6(2)
N3 C8 C9 132.1(2)
N1 C8 C9 118.4(2)
C4 C9 C8 117.7(2)
C4 C9 C10 123.4(2)
C8 C9 C10 118.9(2)
C11 C10 C15 117.3(3)
C11 C10 C9 122.6(2)
C15 C10 C9 120.0(2)
C10 C11 C12 120.9(3)
C10 C11 Cl1 120.5(2)
C12 C11 Cl1 118.6(2)
C13 C12 C11 119.0(3)
C13 C12 H12 120.5
C11 C12 H12 120.5
C12 C13 C14 122.0(3)
C12 C13 Cl2 118.9(3)
C14 C13 Cl2 119.1(3)
C13 C14 C15 118.5(3)
C13 C14 H14 120.8
C15 C14 H14 120.8
C14 C15 C10 122.1(3)
C14 C15 H15 119.0
C10 C15 H15 119.0
C5 C16 H16A 109.5
C5 C16 H16B 109.5
H16A C16 H16B 109.5
C5 C16 H16C 109.5
H16A C16 H16C 109.5
H16B C16 H16C 109.5
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
Cl1 C11 1.733(3)
Cl2 C13 1.743(3)
N1 C6 1.365(4)
N1 N2 1.366(3)
N1 C8 1.371(3)
N2 C7 1.326(4)
N3 C8 1.338(3)
N3 C7 1.341(4)
O1 C3 1.200(3)
O2 C3 1.304(3)
O2 C2 1.455(4)
C1 C2 1.406(5)
C1 H1A 0.9600
C1 H1B 0.9600
C1 H1C 0.9600
C2 H2A 0.9700
C2 H2B 0.9700
C3 C4 1.494(4)
C4 C9 1.378(4)
C4 C5 1.437(4)
C5 C6 1.355(4)
C5 C16 1.502(4)
C6 H6 0.9300
C7 H7 0.9300
C8 C9 1.421(4)
C9 C10 1.493(4)
C10 C11 1.389(4)
C10 C15 1.393(4)
C11 C12 1.398(4)
C12 C13 1.357(5)
C12 H12 0.9300
C13 C14 1.371(4)
C14 C15 1.376(4)
C14 H14 0.9300
C15 H15 0.9300
C16 H16A 0.9600
C16 H16B 0.9600
C16 H16C 0.9600
loop_
_geom_hbond_atom_site_label_D
_geom_hbond_atom_site_label_H
_geom_hbond_atom_site_label_A
_geom_hbond_site_symmetry_A
_geom_hbond_distance_DH
_geom_hbond_distance_HA
_geom_hbond_distance_DA
_geom_hbond_angle_DHA
C7 H7 O1 6_656 0.93 2.55 3.296(4) 137
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 PubChem 139086201