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Crystal structure of (Z)-4-amino-N ′-((4-chlorophenyl)(phenyl)methylene)benzohydrazide, C20H16ClN3O

  • Yanli Song , Mo Du , Zhoujing Zhu , Wenqiang Tang ORCID logo and Hongjuan Tong ORCID logo EMAIL logo
Published/Copyright: October 9, 2024
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Zeitschrift für Kristallographie - New Crystal Structures
From the journal Zeitschrift für Kristallographie - New Crystal Structures Volume 239 Issue 6

Abstract

C20H16ClN3O, monoclinic, I2/a (no. 15), a = 16.3816(6) Å, b = 15.3173(5) Å, c = 27.7833(14) Å, β = 92.800(2)°, V = 6,963.1(5) Å3, Z = 8, Rgt (F) = 0.0375, wRref (F 2) = 0.1061, T = 299 K.

CCDC no.: 2387239

Table 1 contains crystallographic data and Table 2 contains the list of the atoms including atomic coordinates and displacement parameters.

Table 1:

Data collection and handling.

Crystal: Yellow block
Size: 0.64 × 0.61 × 0.57 mm
Wavelength: Cu Kα radiation (1.54178 Å)
μ: 2.04 mm−1
Diffractometer, scan mode: Bruker P4, ω
θ max, completeness: 68.3°, >99 %
N(hkl)measured, N(hkl)unique, R int: 65,999, 6,370, 0.046
Criterion for I obs, N(hkl)gt: I obs > 2σ(I obs), 5,881
N(param)refined: 579
Programs: Bruker 1 , SHELX 2 , 3 , Olex2 4
Table 2:

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).

Atom x y z U iso */U eq
C1 0.67160 (11) −0.02043 (10) 0.44575 (6) 0.0569 (4)
C2 0.61451 (12) 0.01201 (11) 0.47584 (6) 0.0635 (4)
H2 0.5850 (14) −0.0290 (15) 0.4947 (8) 0.083 (6)*
C3 0.60501 (11) 0.10138 (11) 0.47954 (6) 0.0580 (4)
H3 0.5648 (13) 0.1274 (14) 0.4989 (8) 0.080 (6)*
C4 0.65166 (9) 0.15804 (9) 0.45313 (5) 0.0475 (3)
C5 0.70863 (11) 0.12306 (11) 0.42345 (7) 0.0624 (4)
H5 0.7408 (14) 0.1607 (14) 0.4052 (8) 0.083 (6)*
C6 0.71933 (12) 0.03382 (11) 0.41983 (7) 0.0652 (4)
H6 0.7577 (14) 0.0112 (15) 0.3988 (8) 0.088 (7)*
C7 0.64137 (9) 0.25393 (9) 0.45668 (5) 0.0471 (3)
C8 0.66250 (9) 0.30961 (9) 0.41478 (5) 0.0458 (3)
C9 0.62229 (10) 0.29926 (10) 0.36994 (5) 0.0528 (3)
H9 0.5819 (12) 0.2551 (13) 0.3656 (7) 0.067 (5)*
C10 0.63931 (12) 0.35384 (11) 0.33215 (6) 0.0602 (4)
H10 0.6094 (12) 0.3482 (13) 0.3027 (7) 0.068 (5)*
C11 0.69873 (11) 0.41759 (11) 0.33794 (6) 0.0613 (4)
H11 0.7151 (11) 0.4592 (12) 0.3073 (6) 0.061 (5)*
C12 0.74079 (11) 0.42663 (11) 0.38182 (6) 0.0589 (4)
H12 0.7814 (14) 0.4713 (14) 0.3864 (8) 0.084 (6)*
C13 0.72262 (9) 0.37386 (10) 0.42012 (6) 0.0519 (3)
H13 0.7514 (11) 0.3796 (12) 0.4521 (7) 0.063 (5)*
C14 0.58237 (8) 0.41127 (9) 0.54079 (5) 0.0442 (3)
C15 0.58645 (8) 0.50787 (9) 0.53996 (4) 0.0430 (3)
C16 0.62441 (11) 0.55616 (11) 0.50485 (6) 0.0581 (4)
H16 0.6510 (13) 0.5249 (13) 0.4767 (8) 0.078 (6)*
C17 0.62919 (13) 0.64565 (11) 0.50703 (6) 0.0641 (4)
H17 0.6555 (14) 0.6764 (14) 0.4808 (8) 0.084 (6)*
C18 0.59637 (10) 0.69173 (10) 0.54480 (5) 0.0509 (3)
C19 0.55971 (9) 0.64396 (10) 0.58069 (5) 0.0478 (3)
H19 0.5393 (11) 0.6729 (12) 0.6089 (7) 0.065 (5)*
C20 0.55464 (9) 0.55443 (10) 0.57802 (5) 0.0455 (3)
H20 0.5295 (11) 0.5205 (12) 0.6025 (7) 0.062 (5)*
Cl1 0.68145 (4) −0.13304 (3) 0.43825 (2) 0.08771 (19)
N1 0.61418 (8) 0.28312 (8) 0.49651 (4) 0.0496 (3)
N2 0.60332 (8) 0.37180 (8) 0.49907 (5) 0.0485 (3)
H2A 0.6064 (11) 0.4022 (13) 0.4741 (7) 0.063 (5)*
N3 0.60002 (12) 0.78074 (10) 0.54676 (6) 0.0728 (4)
H3A 0.5807 (13) 0.8080 (14) 0.5714 (8) 0.076 (6)*
H3B 0.6330 (18) 0.812 (2) 0.5255 (10) 0.118 (9)*
O1 0.56531 (7) 0.37052 (7) 0.57673 (4) 0.0575 (3)
C21 0.61219 (9) 0.43664 (9) 0.75520 (5) 0.0490 (3)
C22 0.59571 (12) 0.47970 (10) 0.71232 (6) 0.0594 (4)
H22 0.5913 (13) 0.4476 (14) 0.6811 (8) 0.079 (6)*
C23 0.59014 (11) 0.56959 (10) 0.71270 (6) 0.0572 (4)
H23 0.5833 (13) 0.6012 (15) 0.6832 (8) 0.084 (6)*
C24 0.60126 (8) 0.61717 (9) 0.75533 (5) 0.0423 (3)
C25 0.61635 (11) 0.57096 (10) 0.79797 (5) 0.0546 (4)
H25 0.6242 (12) 0.6018 (13) 0.8279 (7) 0.075 (6)*
C26 0.62150 (11) 0.48085 (10) 0.79791 (6) 0.0579 (4)
H26 0.6323 (13) 0.4495 (14) 0.8267 (8) 0.078 (6)*
C27 0.60083 (8) 0.71391 (9) 0.75490 (5) 0.0412 (3)
C28 0.63291 (8) 0.76137 (8) 0.79893 (5) 0.0420 (3)
C29 0.58192 (11) 0.80748 (12) 0.82796 (6) 0.0599 (4)
H29 0.5247 (12) 0.8106 (12) 0.8183 (7) 0.065 (5)*
C30 0.61457 (14) 0.84975 (13) 0.86883 (7) 0.0733 (5)
H30 0.5808 (16) 0.8784 (17) 0.8882 (9) 0.101 (8)*
C31 0.69656 (13) 0.84653 (12) 0.88054 (6) 0.0656 (4)
H31 0.7243 (11) 0.8784 (12) 0.9122 (7) 0.061 (5)*
C32 0.74757 (12) 0.79955 (14) 0.85218 (6) 0.0668 (5)
H32 0.8096 (15) 0.7963 (15) 0.8595 (8) 0.092 (7)*
C33 0.71551 (10) 0.75643 (12) 0.81185 (5) 0.0560 (4)
H33 0.7519 (12) 0.7215 (13) 0.7930 (7) 0.074 (6)*
C34 0.56439 (8) 0.88071 (9) 0.66940 (5) 0.0427 (3)
C35 0.58366 (8) 0.97461 (8) 0.66574 (5) 0.0422 (3)
C36 0.54619 (10) 1.02080 (10) 0.62724 (6) 0.0540 (4)
H36 0.5076 (12) 0.9918 (13) 0.6068 (7) 0.064 (5)*
C37 0.56245 (11) 1.10742 (11) 0.61981 (6) 0.0576 (4)
H37 0.5364 (13) 1.1384 (14) 0.5942 (8) 0.081 (6)*
C38 0.61831 (10) 1.15239 (9) 0.65019 (5) 0.0509 (3)
C39 0.65547 (11) 1.10688 (10) 0.68894 (6) 0.0571 (4)
H39 0.6933 (12) 1.1364 (13) 0.7111 (7) 0.071 (5)*
C40 0.63830 (10) 1.01986 (9) 0.69642 (5) 0.0514 (3)
H40 0.6685 (12) 0.9870 (13) 0.7223 (7) 0.073 (5)*
Cl2 0.62282 (3) 0.32379 (2) 0.75548 (2) 0.06899 (14)
N4 0.57762 (7) 0.75098 (7) 0.71499 (4) 0.0437 (3)
N5 0.58464 (8) 0.84024 (7) 0.71229 (4) 0.0446 (3)
H5A 0.6014 (11) 0.8691 (12) 0.7365 (7) 0.054 (5)*
N6 0.63755 (13) 1.23736 (10) 0.64134 (7) 0.0708 (4)
H6A 0.6132 (14) 1.2601 (16) 0.6174 (9) 0.086 (7)*
H6B 0.6723 (16) 1.2633 (17) 0.6614 (9) 0.091 (8)*
O2 0.53179 (8) 0.84003 (7) 0.63579 (4) 0.0605 (3)

1 Source of materials

In a 25 mL screw-cap vial, 4-aminobenzohydrazide (0.151 g, 1 mmol), 4-chlorobenzophenone (0.216 g, 1 mmol), 5 drops of acetic acid, and 20 mL of anhydrous ethanol were combined. The solution was stirred at 50 °C for 10 min, resulting in the formation of a precipitate. Stirring was continued for an additional 5 h. The vial was then removed and allowed to cool. The cap was opened, and the solution was left to evaporate slowly in a fume hood to yield the crude product. To obtain crystals, 0.05 g of the crude product was dissolved in the minimum amount of hot ethanol. The solution was then allowed to slowly cool to room temperature in an open environment, leading to solvent evaporation and the formation of single crystals.

2 Experimental details

Hydrogen atoms were positioned in idealized locations and refined as riding atoms, with U iso values set to 1.2 times U eq of the parent atoms. The structure was solved using ShelXT 2 and refined with ShelXL 3 in the Olex2 software 4 employing full-matrix least-squares refinement.

3 Comment

Hydrazide compounds have recently garnered significant attention from both theoreticians and experimentalists due to their biological significance in medicinal and enzyme chemistry. Investigating the crystal structure of benzohydrazide derivatives is essential for the development of new drugs.

In the crystal structure, as illustrated, two orientations of molecules are arranged in a head-to-tail crossed manner, forming the asymmetric unit. All bond lengths and bond angles are within reasonable ranges, comparable to previously reported structures. 5 , 6 , 7 , 8 , 9 , 10 , 11 The molecular structure contains three types of benzene rings: para-aminobenzene group, para-chlorobenzene group, and phenyl group. The carbon atoms in the three benzene rings lie within their respective planes. Notable torsions exist between them: the dihedral angle between the para-aminobenzene group and the para-chlorobenzene group planes is 18.5°, between the para-chlorobenzene group and the phenyl group planes is 76.8°, and between the para-aminobenzene group and the phenyl group planes is 60.3°.

There is a hydrogen bond N3–H3A⋯O2 between molecules, with a bond length of 2.06(3) Å and a bond angle of 165(3)°. The short bond length and the near 180° bond angle indicate high bond energy.

Corresponding author: Hongjuan Tong, Xianyang Key Laboratory of Molecular Imaging and Drug Synthesis, School of Pharmacy, Shaanxi Institute of International Trade & Commerce, Xianyang, Shaanxi, China, E-mail:

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: This work was financially supported by the 2023 research and development project of the Xianyang Science and Technology Bureau (L2023-ZDYF-SF-030), Natural Science Foundation Project of Shaanxi Province (2024JC-YBMS-733), the Key Laboratory of Molecular Imaging and Drug Synthesis of Xianyang City (2021QXNL-PT-0008) and the youth innovation team of Shaanxi university 2023 “Key technology development and application innovation team of the industrialization of traditional Chinese medicine with northwest characteristics.

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Received: 2024-07-31
Accepted: 2024-09-27
Published Online: 2024-10-09
Published in Print: 2024-12-17

© 2024 the author(s), published by De Gruyter, Berlin/Boston

This work is licensed under the Creative Commons Attribution 4.0 International License.

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  2. New Crystal Structures
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  4. Crystal structure of diaqua-(hydroxido)-{μ-[2-(hydroxy)-5-[(4-nitrophenyl)diazenyl]benzoato]}-{2-hydroxy-5-[(4-nitrophenyl)diazenyl]benzoato}-(1,10-phenanthroline)-diterbium hydrate, C38H27.4N8O12.2Tb
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  10. The crystal structure of 2-ethyl-1,1-dimethyl-1H-benzo[e]indole, C16H17N
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  12. The crystal structure of 2,2,5-trimethyl-3-(4-(4-(5-phenyl-4,5-dihydroisoxazol-3-yl)thiazol-2-yl)phenyl)imidazolidin-4-one, C24H24N4O2S
  13. The crystal structure of tetrakis(μ2-acetato-κ2 O:O′)-bis[(4′-phenyl-4,2′:6′,4″-terpyridine-κ1 N)dicopper(II)], C25H21CuN3O4
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  16. The crystal structure of 1-(2-carboxyethyl)-1H-imidazole 3-oxide
  17. Crystal structure of 1,1′,1″-(nitrilotris(ethane-2,1-diyl))tris(3-(4-(((E)-pyridin-2-ylmethylene)amino)phenyl)urea), C45H47N13O4
  18. Crystal structure of a (E)-4-bromo-N-(4-(diethylamino)-2-hydroxybenzylidene) benzenaminium acetate ─ 4-bromoaniline (1/1)
  19. Crystal structure of 2,2′-(iminobis(methylene))bis(benzimidazolium) bis(p-toluenesulfonate), C30H31N5O6S2
  20. The crystal structure of alogliptinium meta-chlorobenzoate
  21. Crystal structure of 4-bromobenzyl 2-(6-methoxy-naphthalen-2-yl)propanoate, C21H19BrO3
  22. The hydrated double salt structure of (E)-4-(2-benzylidenehydrazine-1-carbonyl)pyridin-1-ium cation with 2-hydroxybenzoate and benzoate anions
  23. Crystal structure of (R)(R)-5-chloro-3-((S,1E,3E)-3,5-dimethyl-hepta-1,3-dien-1-yl)-7-methyl-6,8-dioxo-2,6,7,8-tetrahydroisoquinolin-7-yl acetate, C21H24ClNO4
  24. The crystal structure of bis(3-oxo-1,3-diphenylprop-1-en-1-olato-κ 2 O:O′)-bis(1,4-dioxane-κ 1 O)nickel(II), C38H38O8Ni
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  30. Crystal structure of (4R,10S)-6-hydroxy-7-isopropyl-4,10-dimethyl-1,2,3,5-hexahydro-6,10-epoxyazulen-9-one, C15H22O3
  31. The crystal structure of (E)-(2-(2-hydroxy-3-methoxybenzylidene)aminophenyl)arsonic acid, C14H14AsNO5
  32. The crystal structure of poly[(μ 2-2-aminoisophthalato-κ4O,O′:O″:O″′)-(N-methylpyrrolidone κ1O)-dioxido-uranium(VI)], C13H14N2O7U
  33. The crystal structure of the co-crystal isonicotinamide · terephthalic acid, C8H6O4·2(C6H6N2O)
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https://doi.org/10.1515/ncrs-2024-0327
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Articles in the same Issue

  1. Frontmatter
  2. New Crystal Structures
  3. Crystal structure of 3-nitrophenol-2,1,3-benzoselenadiazole (1/1), C12H9N3O3Se
  4. Crystal structure of diaqua-(hydroxido)-{μ-[2-(hydroxy)-5-[(4-nitrophenyl)diazenyl]benzoato]}-{2-hydroxy-5-[(4-nitrophenyl)diazenyl]benzoato}-(1,10-phenanthroline)-diterbium hydrate, C38H27.4N8O12.2Tb
  5. Crystal structure of poly[bis(μ3-3-fluoro-4-(1H-1,2,4-triazol-1-yl)benzoato-κ3 O:O′:N)cadmium(II)] – dimethylformamide (1/1), C21H17CdF2N7O5
  6. The crystal structure of 2-amino-N-(pyridin-2-yl)benzamide, C12H11N3O
  7. The crystal structure of 2,3-di(pyridin-2-yl)-2,3-dihydroquinazolin-4(1H)-one, C18H14N4O
  8. Crystal structure of 2-chloro-4-fluorobenzyl (R)-2-(6-methoxynaphthalen-2-yl)propanoate, C21H18ClFO3
  9. Crystal structure of [1-(4-carboxyphenyl)-4-oxo-1,4-dihydropyridazine-3-carboxylic acid]-(methylsulfinyl)methane, C15H16N2O6S
  10. The crystal structure of 2-ethyl-1,1-dimethyl-1H-benzo[e]indole, C16H17N
  11. The crystal structure of (Z)-5-amino-N ′-hydroxy-1H-pyrazole-4-carboximidamide, C4H7N5O
  12. The crystal structure of 2,2,5-trimethyl-3-(4-(4-(5-phenyl-4,5-dihydroisoxazol-3-yl)thiazol-2-yl)phenyl)imidazolidin-4-one, C24H24N4O2S
  13. The crystal structure of tetrakis(μ2-acetato-κ2 O:O′)-bis[(4′-phenyl-4,2′:6′,4″-terpyridine-κ1 N)dicopper(II)], C25H21CuN3O4
  14. Crystal structure of poly(3-thiophenecarboxylato-κ 3 O,O′:O′)-(methanol-κO)cadmium(II), C11H10O5S2Cd
  15. The crystal structure of dichloridobis[4′-(p-methoxylphenyl)-4,2′:6′,4″-terpyridine-κN] zinc(II), C44H34Cl2N6O2Zn
  16. The crystal structure of 1-(2-carboxyethyl)-1H-imidazole 3-oxide
  17. Crystal structure of 1,1′,1″-(nitrilotris(ethane-2,1-diyl))tris(3-(4-(((E)-pyridin-2-ylmethylene)amino)phenyl)urea), C45H47N13O4
  18. Crystal structure of a (E)-4-bromo-N-(4-(diethylamino)-2-hydroxybenzylidene) benzenaminium acetate ─ 4-bromoaniline (1/1)
  19. Crystal structure of 2,2′-(iminobis(methylene))bis(benzimidazolium) bis(p-toluenesulfonate), C30H31N5O6S2
  20. The crystal structure of alogliptinium meta-chlorobenzoate
  21. Crystal structure of 4-bromobenzyl 2-(6-methoxy-naphthalen-2-yl)propanoate, C21H19BrO3
  22. The hydrated double salt structure of (E)-4-(2-benzylidenehydrazine-1-carbonyl)pyridin-1-ium cation with 2-hydroxybenzoate and benzoate anions
  23. Crystal structure of (R)(R)-5-chloro-3-((S,1E,3E)-3,5-dimethyl-hepta-1,3-dien-1-yl)-7-methyl-6,8-dioxo-2,6,7,8-tetrahydroisoquinolin-7-yl acetate, C21H24ClNO4
  24. The crystal structure of bis(3-oxo-1,3-diphenylprop-1-en-1-olato-κ 2 O:O′)-bis(1,4-dioxane-κ 1 O)nickel(II), C38H38O8Ni
  25. Crystal structure of poly[aqua-(pyridine-3-carboxylato-κ1 N)(pyridine-3-carboxylato-κ2 O,O′) cadmium(II)] dihydrate, C12H14N2O7Cd
  26. The crystal structure of 4-(4-phenyl-5-(((1-(2,4,6-tribromophenyl)-1H-1,2,3-triazol-4-yl)methyl)thio)-4H-1,2,4-triazol-3-yl)pyridine, C22H14Br3N7S
  27. The crystal structure of N-benzylquinoline-2-carbothioamide, C17H14N2S
  28. Crystal structure of bis(3-isopropylphenyl)-4,4′-bipyridinium dichloride dihydrate, C28H30N2⋅2Cl⋅2H2O
  29. The crystal structure of ethyl 2-amino-4-(cyanophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carboxylate, C19H18N2O4
  30. Crystal structure of (4R,10S)-6-hydroxy-7-isopropyl-4,10-dimethyl-1,2,3,5-hexahydro-6,10-epoxyazulen-9-one, C15H22O3
  31. The crystal structure of (E)-(2-(2-hydroxy-3-methoxybenzylidene)aminophenyl)arsonic acid, C14H14AsNO5
  32. The crystal structure of poly[(μ 2-2-aminoisophthalato-κ4O,O′:O″:O″′)-(N-methylpyrrolidone κ1O)-dioxido-uranium(VI)], C13H14N2O7U
  33. The crystal structure of the co-crystal isonicotinamide · terephthalic acid, C8H6O4·2(C6H6N2O)
  34. The crystal structure of (E)-1-phenyl-3-(p-tolylthio)but-2-en-1-one, C17H16OS
  35. The crystal structure of 4,5-bis((Z)-chloro(hydroxyimino)methyl)-1H-imidazol-3-ium chloride monohydrate
  36. The crystal structure of 1,2-bis(4-(dimethylamino)phenyl)ethane-1,2-dione. C18H20N2O2
  37. Crystal structure of 2-chloro-4-fluorobenzyl 2-acetoxybenzoate, C16H12ClFO4
  38. Crystal structure of methyl 1-phenyl-9H-pyrido[3,4-b]indole-3-carboxylate, C19H14N2O2
  39. Crystal structure of (3-(dimethoxymethyl)-5-methoxy-1H-indol-1-yl)(5-fluoro-2-iodophenyl)methanone, C19H17FINO4
  40. Crystal structure of tetrachlorido-bis(1-[(1H-triazole-1-yl)methyl]-1H-benzotriazole-κ2 N:N′)dicopper, C36H32Cu2N24Cl4
  41. Crystal structure of 2-(2,3-bis(4-methoxyphenyl)-1H-pyrrolo[2,3-b]quinoxalin-1-yl)anilin, C30H24N4O2
  42. Crystal structure of 5,7-dihydroxy-2-phenyl-4H-chromen-4-one–N,N-dimethylformamide(1/1), C18H17NO5
  43. The crystal structure of bis(μ 2-biphenyl-2,2′-dicarboxylato)-diaqua-bis(nitrato)-bis(2,2′:6′,2′′-terpyridine)dineodymium(III), C46H32I2N8Nd2O16
  44. Crystal structure of (Z)-4-amino-N ′-((4-chlorophenyl)(phenyl)methylene)benzohydrazide, C20H16ClN3O
  45. Crystal structure of (E)-6,8-dimethoxy-4-(4-morpholinobenzylidene)-3,4-dihydro-1-benzoxepin-5(2H)-one, C23H25NO5
  46. Crystal structure of (R)-2-((3-(3-aminopiperidin-1-yl)-6-methyl-5-oxo-1,2,4-triazin-4(5H)-yl) methyl)-4-fluorobenzonitrile benzoate monohydrate, C24H27FN6O4
  47. The crystal structure of [triaqua-(8-carboxymethoxy-quinoline-2-carboxylato-κ 3 N,O,O)copper(II)]monohydrate, C12H15NO9Cu
  48. Crystal structure of (((4-chlorophenyl)sulfonyl)glycinato-κ 2 N,O)bis(1,10-phenanthroline-κ 2 N,N′)cobalt(II) tetrahydrate, C32H30ClCoN5O8S
  49. Crystal structure of (((3-nitrophenyl)sulfonyl)-β-alaninato-κO)bis(2,2′-bipyridine-κ 2 N, N′)copper(II) 3-nitrobenzenesulfonate, C35H29CuN7O11S2
  50. Crystal structure of 3-phenoxybenzyl 2-(6-methoxynaphthalen-2-yl)propanoate, C27H24O4
  51. 6-(2′,3′-Dihydroxy-3′-methylbutyl)-7-methoxy-8-(3″-methylbut-2″-en-1″-yl)-2H-chromen-2-one, C20H26O5
  52. Crystal structure of bromido-(2,2′:6′,2″-terpyridine-4′-onato-κ3N)palladium(II) methanol solvate
  53. The crystal structure of ethyl 2-amino-(4-nitrophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carboxylate, C20H22N2O6
  54. Crystal structure of (1E,3E,5E)-1,6-bis(4-(pentyloxy)phenyl)hexa-1,3,5-triene, C28H36O2
  55. The crystal structure of tris(2-bromo-4-methylphenyl)amine, C21H18Br3N
  56. The crystal structure of 3-(2,5-dimethylanilino)-1-(2,5-dimethylphenyl)-4-methyl-1H-pyrrole-2,5-dione, C21H22N2O2
  57. Crystal structure of dicarbonyl (μ2-indole-2-carboxylato κ2 O:O′)tris(triphenylarsine-κAs)dirhodium(I) acetone solvate, C68H56As3NO5Rh2
  58. The crystal structure of 4-chloro-2-formylphenyl 4-methylbenzenesulfonate, C14H11ClO4S
  59. Crystal structure of 4-iodobenzyl 2-(6-methoxynaphthalen-2-yl) propanoate, C21H19IO3
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