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N,N′,N′′-Triphenyl­guanidinium trifluoro­acetate

✍ Scribed by Pereira Silva, P. S. ;Cardoso, C. ;Ramos Silva, M. ;Paixão, J. A.


Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
340 KB
Volume
63
Category
Article
ISSN
1600-5368

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N,N′,N′′′-Triphenyl­guanidinium nitrate
✍ Pereira Silva, P. S. ;Paixão, J. A. ;Ramos Silva, M. ;Matos Beja, A. 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 365 KB

The title salt, C~19~H~18~N~3~ ^+^·NO~3~ ^−^, has two symmetry-independent cations and two symmetry-independent anions in the asymmetric unit, with almost identical geometries. Bond lengths and angles within the guanidinium unit are close to those expected for a C__sp__ ^2^ atom. Intermolecular hydr

N,N′,N′′-Triphenylguanidinium hydrogensu
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The hydrogensulfate anions of the title compound, C 19 H 18 N 3 + ÁHSO 4 À , form centrosymmetric hydrogen-bonded dimers. In the cation, the dihedral angles between the phenyl rings and the plane defined by the central guanidinium fragment are in the range 41.46 (6)-67.11 (5) .

N,N′,N′′-Triphenylguanidinium bromide
✍ Pereira Silva, P. S. ;Ramos Silva, M. ;Paixão, J. A. ;Matos Beja, A. 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 289 KB
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✍ Cai, Xiao-Qing ;Hu, Mao-Lin 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 151 KB

In the title crystal structure, C~19~H~36~N~3~ ^+^·Cl^−^, the central C atom of the __N__,__N__′,__N__′′-tricyclohexylguanidinium ion and the chloride ion both lie on positions of site symmetry 3. Weak N—H...Cl hydrogen bonds [N...Cl = 3.539 (3) Å] link anions and cations, forming a three-dimensiona