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1. N -(5-Cyanononan-5-yl)benzamide

   https://doi.org/10.1107/S2414314623006399  

   Song, Xueqing; Li, William (July 2023, IUCrData)

   N -(5-Cyanononan-5-yl)benzamide, C 17 H 24 N 2 O, synthesized from the reaction between benzoyl chloride and 2-amino-2-butylhexanenitrile, is an important intermediate in amino acid synthesis. Intermolecular N—H...O and C—H...O hydrogen bonds with N...O and C...O distances of 3.083 (2) and 3.304 (2) Å, respectively, link adjacent molecules into chains along the a axis. The dihedral angle between the mean plane of the phenyl group and the plane of the amide group is 19.504 (4)°. 

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2. N -(4-Methoxy-2-methyl-5-nitrophenyl)acetamide

   https://doi.org/10.1107/S2414314625004705  

   Uppu, Rao M; Fronczek, Frank R (June 2025, IUCrData)

   In the title compound, C10H12N2O4, the four substituents lie out of the phenyl plane by varying degrees. The methyl C atom lies 0.019 (3) A ˚ out of plane, while the methoxy O and C atoms lie 0.067 (2) and 0.042 (3) A ˚ out of plane, respectively, with the C—C—O—C torsion angle being 3.3 (2). The plane of the nitro group is twisted out of the phenyl plane, forming a dihedral angle of 12.03 (9) with it. The acetamide substituent is twisted considerably more out of the phenyl plane, forming a dihedral angle of 47.24 (6) with it. In the extended structure, the acetamide NH group donates a hydrogen bond to an acetamide carbonyl O atom, thereby forming chains propagating in the [010] direction. 

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3. 3′,5′-Dichloro- N , N -diphenyl-[1,1′-biphenyl]-4-amine

   https://doi.org/10.1107/S2414314621010166  

   Patel, Dinesh G.; Cox, Jordan M.; Bender, Branden M.; Benedict, Jason B. (October 2021, IUCrData)

   The title triphenylamine derivative, C 24 H 17 Cl 2 N, featuring a 3,5-dichloro-1,1′-biphenyl moiety has been synthesized and structurally characterized. The molecular structure shows rotations of the phenyl rings in the range of 37–40° from the amine plane. In the crystal, the molecules interact by van der Waals interactions. 

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4. N ⁵ -Scaling Excited-State-Specific Perturbation Theory

   https://doi.org/10.1021/acs.jctc.0c00308  

   Clune, Rachel; Shea, Jacqueline A.; Neuscamman, Eric (October 2020, Journal of Chemical Theory and Computation)

   null (Ed.)
5. Synthesis, Purification, and Rotational Spectroscopy of 1-Cyanocyclobutene (C ₅ H ₅ N)

   https://doi.org/10.1021/acs.jpca.2c00384  

   Smith, Houston H.; Kougias, Samuel M.; Esselman, Brian J.; Woods, R. Claude; McMahon, Robert J. (March 2022, The Journal of Physical Chemistry A)