Overview of recent developments in carbon-based nanocomposites for supercapacitor applications.

Energy storage devices are recognized as environmentally friendly technologies. Supercapacitors, known for their high cycle stability, have been proposed as potential alternatives to fossil fuels. Recent studies have focused on selecting suitable electrode materials to achieve energy storage systems with high stability, high specific capacity, and biocompatibility.

Crystal structure and Hirshfeld surface analysis of 1-(2-amino-4-methyl-1,3-thia-zol-5-yl)ethan-1-one.

In the title compound, CHNOS, all atoms except for the methyl H atoms are coplanar, with a maximum deviation of 0.026 (4) Å. In the crystal, pairs of mol-ecules are linked by N-H⋯N hydrogen bonds, forming (8) ring motifs.

Crystal structure and Hirshfeld surface analysis of ()-1-(2,4-di-methyl-furan-3-yl)-3-phenyl-prop-2-en-1-one.

The title compound, CHO, adopts an configuration about the C=C double bond. The furan ring is inclined to the phenyl ring by 12.03 (9)°.

Crystal structure and Hirshfeld surface analysis of 2,2'-[(3,5-di--butyl-4-hy-droxy-phen-yl)methanedi-yl]bis-(3-hy-droxy-5,5-di-methyl-cyclo-hex-2-en-1-one).

In the title compound, CHO, mol-ecules are connected by O-H⋯O and C-H⋯O hydrogen bonds, forming hydrogen-bonded zigzag chains running along the axis and parallel to the (001) plane. The mol-ecular packing is stabilized by van der Waals inter-actions between these chains along the and axes. The inter-molecular inter-actions in the crystal structure were qu-anti-fied and analysed using Hirshfeld surface analysis.

Crystal structure and Hirshfeld surface analysis of 5-amino-5'-bromo-2'-oxo-2,3-di-hydro-1-spiro-[imidazo[1,2-]pyridine-7,3'-indoline]-6,8-dicarbo-nitrile dimethyl sulfoxide disolvate.

In the title compound, CHBrNO·2CHOS, the 1,2,3,7-tetra-hydro-imid-azo[1,2-]pyridine ring system and the oxindole moiety are both nearly planar [maximum deviations = 0.042 (2) and 0.115 (2) Å, respectively] and their planes form a dihedral angle of 86.

Crystal structure and Hirshfeld surface analysis of 1-(-butyl-amino)-3-mesitylpropan-2-ol hemi-hydrate.

The title compound, 2CHNO·HO, crystallizes in the monoclinic 2/ space group with two independent mol-ecules ( and ) in the asymmetric unit. In the crystal, mol-ecules and are linked through the water mol-ecules by inter-molecular O-H⋯O and O-H⋯N hydrogen bonds, producing chains along the -axis direction. These chains are linked with neighboring chains parallel to the (103) plane C-H⋯π inter-actions, generating ribbons along the -axis direction.

Crystal structure and Hirshfeld surface analysis of 6-amino-8-(2,6-di-chloro-phen-yl)-1,3,4,8-tetra-hydro-2-pyrido[1,2-]pyrimidine-7,9-dicarbo-nitrile.

In the mol-ecular structure of the title compound, CHClN, the 1,4-di-hydro-pyridine ring of the 1,3,4,8-tetra-hydro-2-pyrido[1,2-]pyrimidine ring system adopts a screw-boat conformation, while the 1,3-diazinane ring is puckered. In the crystal, inter-molecular N-H⋯N and C-H⋯N hydrogen bonds form mol-ecular sheets parallel to the (110) and (10) planes, crossing each other. Adjacent mol-ecules are further linked by C-H⋯π inter-actions, which form zigzag chains propagating parallel to [100].

Crystal structure and Hirshfeld surface analysis of 6-benzoyl-3,5-di-phenyl-cyclo-hex-2-en-1-one.

In the title compound, CHO, the central cyclo-hexenone ring adopts an envelope conformation. The mean plane of the cyclo-hexenone ring makes dihedral angles of 87.66 (11) and 23.