Zobrazeno 1 - 10
of 268
pro vyhledávání: '"S. Sudhahar"'
Publikováno v:
Carbon Trends, Vol 11, Iss , Pp 100262- (2023)
The structural and surface modifications have been studied on the hydrothermally Nitrogen (N) and Sulphur (S) doped and thermally reduced at 350 °C nitrogen-doped, nitrogen-sulfur-doped graphene oxides. Raman spectra confirmed the reduction of graph
Externí odkaz:
https://doaj.org/article/eb67c912dba34a028691a22e227eac24
Publikováno v:
IUCrData, Vol 2, Iss 3, p x170422 (2017)
In the title molecular salt, C6H9N2+·C8H5O4−, the cation is protonated at the pyridine N atom and the anion is deprotonated at the hydroxy O atom. The anion features an intramolecular O—H...O hydrogen bond with the H atom located almost in the m
Externí odkaz:
https://doaj.org/article/d8fe7de263194d08b484eeb3602a2976
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 12, Pp 559-561 (2014)
In the title molecular salt, C5H12N+·C6H4NO3−, the piperidine ring adopts a chair conformation and the cation is protonated at the N atom. In the anion, the nitro group is twisted at an angle of 10.30 (11)° with respect to the attached benzene ri
Externí odkaz:
https://doaj.org/article/431555474b554fad8951aeb1c01ef974
Publikováno v:
IUCrData, Vol 1, Iss 9, p x161425 (2016)
In the title molecular salt, C6H9N2+·C7H5O3−, the cation is protonated at the pyridine N atom and the anion is deprotonated. The pyridine ring is inclined at an angle of 24.96 (11)° to the benzene ring. In the crystal, adjacent anions and cations
Externí odkaz:
https://doaj.org/article/5f85e0fff1ac4876a84cc23936fba806
Publikováno v:
IUCrData, Vol 1, Iss 8, p x161233 (2016)
In the title molecular salt, 2C6H9N2+·C8H3NO62−, the cations are protonated at their pyridine N atoms. The cations and anion are linked by N—H...O and C—H...O hydrogen bonds and a π–π interaction [centroid-to-centroid distance = 3.7299 (13
Externí odkaz:
https://doaj.org/article/3eac68ed26a345e5bd7ad8b86f1aeaa4
Publikováno v:
IUCrData, Vol 1, Iss 8, p x161203 (2016)
In the title molecular salt, C6H9N2+·C8H6NO4−, the cation is protonated at its pyridine N atom. In the crystal, the anions are connected by a pair of C—H...O contacts into [100] chains, which generate R22(11) loops and these chains are linked vi
Externí odkaz:
https://doaj.org/article/6e98637d54324eb38c8679ccc2221ab2
Publikováno v:
IUCrData, Vol 1, Iss 7, p x161098 (2016)
In the title molecular salt, C6H9N2+·C9H9O2−, the cation is protonated at the pyridine N atom and the anion is deprotonated at the hydroxy O atom. The dihedral angle between the benzene and pyridine rings is 66.58 (10)°. In the molecular structur
Externí odkaz:
https://doaj.org/article/6c999e2493df479ea824f9a63aecf430
Publikováno v:
IUCrData, Vol 1, Iss 7, p x161104 (2016)
In the title molecular salt, C6H8N+·C8H4NO6−, the pyridine ring is protonated at the N atom and the anion is deprotonated at one of the hydroxy O atoms. The dihedral angle between the planes of the benzene and pyridine rings is 8.45 (9)°. In the
Externí odkaz:
https://doaj.org/article/bb7e857b9c3e40ab807db25ecf8ca53c
Publikováno v:
IUCrData, Vol 1, Iss 5, p x160819 (2016)
The asymmetric unit of the title hydrated salt, C4H11N2+·C7H6NO2−·H2O, contains a piperazin-1-ium cation, a 4-aminobenzoate anion and a water molecule. One NH group of the piperazine ring is protonated and this ring adopts a chair conformation. T
Externí odkaz:
https://doaj.org/article/9ec4017862b24a07aee59cc12ebec719
Publikováno v:
IUCrData, Vol 1, Iss 5, p x160748 (2016)
In the zwitterionic title compound, C9H15NO4, the piperidinium N atom is protonated and the OH group of one of the carboxylate groups is deprotonated. The piperidinium ring adopts a chair conformation. In the crystal, N—H...O and O—H...O hydrogen
Externí odkaz:
https://doaj.org/article/851fa76d60b44f66b9252f4215fc2ffd