#------------------------------------------------------------------------------
#$Date: 2025-08-19 07:12:48 +0100 (Tue, 19 Aug 2025) $
#$Revision: 301798 $
#$URL: svn://www.crystallography.net/cod/cif/2/01/13/2011365.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_2011365
loop_
_publ_author_name
'Kovalevsky, A. Yu.'
'Ponomarev, I. I.'
'Baranova, M. A.'
_publ_section_title
;
2-[2-(5-Nitro-2-thienyl)ethenyl]-4H-3,1-benzoxazine-4-one,
2-[2-(4-nitrophenyl)ethenyl]-4H-3,1-benzoxazine-4-one and
6,7-dimethoxy-2-[2-(4-nitrophenyl)ethenyl]-4H-3,1-benzoxazine-4-one
;
_journal_issue 9
_journal_name_full 'Acta Crystallographica Section C'
_journal_page_first e408
_journal_page_last e409
_journal_paper_doi 10.1107/S010827010001057X
_journal_volume 56
_journal_year 2000
_chemical_formula_moiety 'C18 H14 N2 O6'
_chemical_formula_sum 'C18 H14 N2 O6'
_chemical_formula_weight 354.31
_chemical_melting_point 272.0(10)
_space_group_IT_number 2
_symmetry_cell_setting triclinic
_symmetry_space_group_name_Hall '-P 1'
_symmetry_space_group_name_H-M 'P -1'
_audit_creation_method SHELXL
_cell_angle_alpha 93.801(15)
_cell_angle_beta 96.783(13)
_cell_angle_gamma 105.321(13)
_cell_formula_units_Z 2
_cell_length_a 6.8484(10)
_cell_length_b 7.2348(14)
_cell_length_c 16.806(3)
_cell_measurement_reflns_used 30
_cell_measurement_temperature 208(2)
_cell_measurement_theta_max 13
_cell_measurement_theta_min 10
_cell_volume 793.3(2)
_computing_cell_refinement P3
_computing_data_collection 'P3 (Siemens, 1989)'
_computing_data_reduction 'XDISK (Siemens, 1989)'
_computing_publication_material SHELXTL
_computing_structure_refinement SHELXTL
_computing_structure_solution 'SHELXTL (Sheldrick, 1994)'
_diffrn_ambient_temperature 208(2)
_diffrn_measurement_device 'Syntex P2~1~/PC'
_diffrn_measurement_method \q/2\q
_diffrn_radiation_monochromator graphite
_diffrn_radiation_source 'fine-focus sealed tube'
_diffrn_radiation_type MoK\a
_diffrn_radiation_wavelength .71073
_diffrn_reflns_av_R_equivalents .026
_diffrn_reflns_av_sigmaI/netI .0773
_diffrn_reflns_limit_h_max 8
_diffrn_reflns_limit_h_min -6
_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 3051
_diffrn_reflns_theta_max 25.00
_diffrn_reflns_theta_min 1.23
_diffrn_standards_decay_% none
_diffrn_standards_interval_count 98
_diffrn_standards_number 2
_exptl_absorpt_coefficient_mu .113
_exptl_absorpt_correction_type none
_exptl_crystal_colour yellow
_exptl_crystal_density_diffrn 1.483
_exptl_crystal_density_meas ?
_exptl_crystal_description parallelepiped
_exptl_crystal_F_000 368
_exptl_crystal_size_max .30
_exptl_crystal_size_mid .20
_exptl_crystal_size_min .20
_refine_diff_density_max .17
_refine_diff_density_min -.23
_refine_ls_extinction_method none
_refine_ls_goodness_of_fit_all 1.024
_refine_ls_goodness_of_fit_ref 1.108
_refine_ls_hydrogen_treatment 'H atoms: see below'
_refine_ls_matrix_type full
_refine_ls_number_parameters 237
_refine_ls_number_reflns 2727
_refine_ls_number_restraints 0
_refine_ls_restrained_S_all 1.209
_refine_ls_restrained_S_obs 1.108
_refine_ls_R_factor_all .120
_refine_ls_R_factor_gt .045
_refine_ls_shift/esd_mean <0.001
_refine_ls_shift/su_max <0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0595P)^2^+0.0324P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme calc
_refine_ls_wR_factor_all .143
_refine_ls_wR_factor_ref .101
_reflns_number_gt 1723
_reflns_number_total 2792
_reflns_threshold_expression I>2\s(I)
_cod_data_source_file qd0005.cif
_cod_data_source_block III
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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
The following automatic conversions were performed:
'_chemical_melting_point' value '271-273' was changed to '272.0(10)'
- the average value was taken and precision was estimated.
Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana
The following automatic conversions were performed:
'_chemical_melting_point' value '271-273' was changed to '272.0(10)'
- the average value was taken and precision was
estimated.
'_symmetry_cell_setting' value 'Triclinic' changed to
'triclinic' 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_values 1715 2011-07-08 13:25:40Z adriana
The following automatic conversions were performed:
'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.
Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas
The following automatic conversions were performed:
'_refine_ls_weighting_scheme' value 'calc w =
1/[\s^2^(Fo^2^)+(0.0595P)^2^+0.0324P] where P = (Fo^2^+2Fc^2^)/3' was
changed to 'calc'. New tag '_refine_ls_weighting_details' was
created. The value of the new tag was set to 'w =
1/[\s^2^(Fo^2^)+(0.0595P)^2^+0.0324P] where P = (Fo^2^+2Fc^2^)/3'.
Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas
;
_cod_original_sg_symbol_H-M 'P- 1'
_cod_database_code 2011365
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, -y, -z'
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 .0263(9) .0445(10) .0257(8) .0067(7) .0067(7) -.0032(7)
O2 .0279(10) .0609(12) .0303(9) .0067(8) .0030(7) -.0060(8)
O3 .0634(13) .087(2) .0282(10) .0221(11) .0057(9) -.0117(10)
O4 .0407(12) .0661(13) .0532(12) -.0012(9) .0242(9) -.0118(10)
O5 .0489(11) .0476(11) .0276(9) -.0054(8) .0092(8) -.0091(8)
O6 .0435(11) .0498(11) .0316(9) -.0009(8) .0173(8) -.0069(8)
N1 .0298(11) .0326(11) .0280(10) .0056(8) .0071(8) .0013(8)
N2 .0418(14) .0375(12) .0339(12) .0071(10) .0133(10) -.0019(9)
C1 .0348(14) .0322(14) .0303(13) .0012(10) .0068(11) .0038(10)
C2 .0429(15) .0302(13) .0261(13) .0028(11) .0068(11) .0001(10)
C3 .0412(15) .0347(14) .0254(13) .0083(11) .0136(11) .0019(10)
C4 .0306(13) .0350(13) .0317(13) .0056(10) .0075(10) -.0003(10)
C5 .0309(13) .0282(12) .0245(12) .0085(10) .0055(10) .0034(9)
C6 .0335(14) .0263(12) .0227(12) .0074(10) .0060(10) .0026(9)
C7 .0305(14) .0365(13) .0282(12) .0109(11) .0075(10) .0044(10)
C8 .0264(13) .0310(13) .0276(12) .0081(10) .0044(10) .0029(10)
C9 .0297(13) .0324(13) .0323(13) .0060(10) .0089(10) .0029(10)
C10 .0291(13) .0309(13) .0312(12) .0081(10) .0068(10) .0034(10)
C11 .0319(13) .0269(12) .0253(12) .0088(10) .0052(10) .0028(10)
C12 .0306(13) .0378(14) .0273(12) .0052(10) .0032(10) -.0035(10)
C13 .0264(13) .0343(13) .0339(13) .0023(10) .0056(10) -.0037(10)
C14 .0357(14) .0279(12) .0275(12) .0091(10) .0125(10) .0012(9)
C15 .0338(14) .0381(14) .0295(13) .0052(11) .0002(10) -.0035(11)
C16 .0275(13) .0390(14) .0313(13) .0064(10) .0071(10) .0013(11)
C17 .055(2) .058(2) .0337(15) -.0121(14) .0043(13) -.0096(13)
C18 .039(2) .058(2) .043(2) -.0022(13) .0192(12) -.0081(13)
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_thermal_displace_type
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_occupancy
_atom_site_disorder_group
_atom_site_type_symbol
O1 .7447(2) .2485(2) -.08201(9) .0328(4) Uani d . 1 . O
O2 1.0598(2) .3411(3) -.11130(9) .0413(5) Uani d . 1 . O
O3 .2058(3) .4578(3) .36360(10) .0603(6) Uani d . 1 . O
O4 -.0891(3) .3593(3) .29043(11) .0557(6) Uani d . 1 . O
O5 .5763(3) -.1354(2) -.43977(9) .0453(5) Uani d . 1 . O
O6 .9542(3) .0596(2) -.41253(9) .0437(5) Uani d . 1 . O
N1 .4612(3) .0670(3) -.17394(11) .0305(5) Uani d . 1 . N
N2 .0971(3) .3945(3) .29916(12) .0381(5) Uani d . 1 . N
C1 .5129(4) -.0386(3) -.30661(13) .0338(6) Uani d . 1 . C
H1 .3733(4) -.1055(3) -.31775(13) .041 Uiso calc R 1 . H
C2 .6379(4) -.0404(3) -.36500(13) .0344(6) Uani d . 1 . C
C3 .8467(4) .0640(3) -.34945(13) .0335(6) Uani d . 1 . C
C4 .9265(4) .1582(3) -.27480(13) .0330(6) Uani d . 1 . C
H4 1.0666(4) .2230(3) -.26351(13) .040 Uiso calc R 1 . H
C5 .8005(3) .1586(3) -.21507(12) .0276(5) Uani d . 1 . C
C6 .5930(3) .0627(3) -.23073(12) .0275(5) Uani d . 1 . C
C7 .8853(3) .2568(3) -.13567(13) .0310(5) Uani d . 1 . C
C8 .5399(3) .1592(3) -.10479(13) .0282(5) Uani d . 1 . C
C9 .4198(4) .1803(3) -.04135(13) .0316(6) Uani d . 1 . C
H9 .2794(4) .1160(3) -.05028(13) .038 Uiso calc R 1 . H
C10 .4957(3) .2850(3) .02876(13) .0303(5) Uani d . 1 . C
H10 .6361(3) .3491(3) .03605(13) .036 Uiso calc R 1 . H
C11 .3845(3) .3117(3) .09609(12) .0278(5) Uani d . 1 . C
C12 .1732(3) .2416(3) .09265(13) .0331(6) Uani d . 1 . C
H12 .0943(3) .1761(3) .04442(13) .040 Uiso calc R 1 . H
C13 .0783(3) .2665(3) .15876(14) .0329(6) Uani d . 1 . C
H13 -.0640(3) .2173(3) .15631(14) .039 Uiso calc R 1 . H
C14 .1962(3) .3651(3) .22857(13) .0297(5) Uani d . 1 . C
C15 .4043(4) .4386(3) .23412(14) .0354(6) Uani d . 1 . C
H15 .4816(4) .5052(3) .28244(14) .042 Uiso calc R 1 . H
C16 .4979(3) .4131(3) .16744(13) .0330(6) Uani d . 1 . C
H16 .6400(3) .4649(3) .17020(13) .040 Uiso calc R 1 . H
C17 .3690(4) -.2523(4) -.45761(15) .0551(8) Uani d . 1 . C
H17A .3468(9) -.319(2) -.5112(5) .083 Uiso calc R 1 . H
H17B .2770(4) -.1711(5) -.4552(11) .083 Uiso calc R 1 . H
H17C .3426(9) -.3455(18) -.4185(7) .083 Uiso calc R 1 . H
C18 1.1432(4) .2031(4) -.4084(2) .0491(7) Uani d . 1 . C
H18A 1.1928(14) .1998(18) -.4600(4) .074 Uiso calc R 1 . H
H18B 1.2423(9) .1786(15) -.3672(8) .074 Uiso calc R 1 . H
H18C 1.1236(7) .3289(4) -.3951(11) .074 Uiso calc R 1 . H
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C .0033 .0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H .0000 .0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
N N .0061 .0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O .0106 .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
C8 O1 C7 121.6(2)
C2 O5 C17 117.5(2)
C3 O6 C18 117.2(2)
C8 N1 C6 117.2(2)
O4 N2 O3 123.3(2)
O4 N2 C14 118.4(2)
O3 N2 C14 118.2(2)
C2 C1 C6 120.2(2)
O5 C2 C1 124.8(2)
O5 C2 C3 114.9(2)
C1 C2 C3 120.2(2)
O6 C3 C4 125.0(2)
O6 C3 C2 115.4(2)
C4 C3 C2 119.6(2)
C3 C4 C5 120.2(2)
C6 C5 C4 120.6(2)
C6 C5 C7 119.1(2)
C4 C5 C7 120.3(2)
C5 C6 N1 122.2(2)
C5 C6 C1 119.0(2)
N1 C6 C1 118.8(2)
O2 C7 O1 117.2(2)
O2 C7 C5 127.9(2)
O1 C7 C5 114.9(2)
N1 C8 O1 124.9(2)
N1 C8 C9 122.9(2)
O1 C8 C9 112.2(2)
C10 C9 C8 124.0(2)
C9 C10 C11 127.1(2)
C16 C11 C12 118.5(2)
C16 C11 C10 117.7(2)
C12 C11 C10 123.8(2)
C13 C12 C11 121.1(2)
C12 C13 C14 118.7(2)
C15 C14 C13 122.1(2)
C15 C14 N2 118.6(2)
C13 C14 N2 119.3(2)
C14 C15 C16 118.8(2)
C15 C16 C11 120.9(2)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_2
_geom_bond_distance
_geom_bond_publ_flag
O1 C8 . 1.376(2) ?
O1 C7 . 1.387(3) ?
O2 C7 . 1.198(3) ?
O3 N2 . 1.225(3) ?
O4 N2 . 1.222(2) ?
O5 C2 . 1.355(3) ?
O5 C17 . 1.433(3) ?
O6 C3 . 1.363(3) ?
O6 C18 . 1.420(3) ?
N1 C8 . 1.283(3) ?
N1 C6 . 1.393(3) ?
N2 C14 . 1.465(3) ?
C1 C2 . 1.378(3) ?
C1 C6 . 1.401(3) ?
C2 C3 . 1.413(3) ?
C3 C4 . 1.366(3) ?
C4 C5 . 1.399(3) ?
C5 C6 . 1.392(3) ?
C5 C7 . 1.448(3) ?
C8 C9 . 1.445(3) ?
C9 C10 . 1.327(3) ?
C10 C11 . 1.466(3) ?
C11 C16 . 1.393(3) ?
C11 C12 . 1.394(3) ?
C12 C13 . 1.377(3) ?
C13 C14 . 1.378(3) ?
C14 C15 . 1.373(3) ?
C15 C16 . 1.380(3) ?
loop_
_geom_torsion_atom_site_label_1
_geom_torsion_atom_site_label_2
_geom_torsion_atom_site_label_3
_geom_torsion_atom_site_label_4
_geom_torsion
C17 O5 C2 C1 -4.1(4)
C17 O5 C2 C3 176.7(2)
C6 C1 C2 O5 179.2(2)
C6 C1 C2 C3 -1.7(4)
C18 O6 C3 C4 -18.5(4)
C18 O6 C3 C2 162.2(2)
O5 C2 C3 O6 2.1(3)
C1 C2 C3 O6 -177.1(2)
O5 C2 C3 C4 -177.3(2)
C1 C2 C3 C4 3.5(4)
O6 C3 C4 C5 177.9(2)
C2 C3 C4 C5 -2.8(3)
C3 C4 C5 C6 .3(3)
C3 C4 C5 C7 179.4(2)
C4 C5 C6 N1 -177.1(2)
C7 C5 C6 N1 3.8(3)
C4 C5 C6 C1 1.6(3)
C7 C5 C6 C1 -177.5(2)
C8 N1 C6 C5 -2.0(3)
C8 N1 C6 C1 179.3(2)
C2 C1 C6 C5 -.9(3)
C2 C1 C6 N1 177.9(2)
C8 O1 C7 O2 178.3(2)
C8 O1 C7 C5 -2.3(3)
C6 C5 C7 O2 177.7(2)
C4 C5 C7 O2 -1.4(4)
C6 C5 C7 O1 -1.5(3)
C4 C5 C7 O1 179.4(2)
C6 N1 C8 O1 -2.1(3)
C6 N1 C8 C9 178.0(2)
C7 O1 C8 N1 4.4(3)
C7 O1 C8 C9 -175.6(2)
N1 C8 C9 C10 -175.6(2)
O1 C8 C9 C10 4.5(3)
C8 C9 C10 C11 -179.3(2)
C9 C10 C11 C16 174.0(2)
C9 C10 C11 C12 -6.0(4)
C16 C11 C12 C13 -1.9(3)
C10 C11 C12 C13 178.1(2)
C11 C12 C13 C14 .9(4)
C12 C13 C14 C15 .0(4)
C12 C13 C14 N2 179.4(2)
O4 N2 C14 C15 167.5(2)
O3 N2 C14 C15 -10.7(3)
O4 N2 C14 C13 -12.0(3)
O3 N2 C14 C13 169.9(2)
C13 C14 C15 C16 .2(4)
N2 C14 C15 C16 -179.3(2)
C14 C15 C16 C11 -1.2(4)
C12 C11 C16 C15 2.0(3)
C10 C11 C16 C15 -178.0(2)
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 PubChem 5291637