Crystal structure and vibrational spectra of N,N′-Di(2,4- dinitrophenyl)diaza-18-Crown-6 and N,N′-Di(tetrafluoropyridyl)diaza-18- Crown-6
L Kh Minacheva
1
,
I. S. Ivanova
1
,
E N Pyatova
1
,
V S Sergienko
1
,
G.A Artamkina
2
,
I P Beletskaya
2
,
Publication type: Journal Article
Publication date: 2004-11-01
scimago Q4
wos Q4
SJR: 0.145
CiteScore: 0.8
Impact factor: 0.5
ISSN: 10637745, 1562689X
General Chemistry
Condensed Matter Physics
General Materials Science
Abstract
Two new diaza-18-crown-6 derivatives, namely, N,N′-di(2,4-dinitrophenyl)diaza-18-crown-6 (I) and N,N′-di(tetrafluoropyridyl)diaza-18-crown-6 (II), are studied using X-ray diffraction. The vibrational spectra of these compounds are measured and analyzed. Crystals I are monoclinic, a = 9.746(2) Å, b = 12.117(4) Å, c = 11.378(6) Å, β = 98.90(3)°, V = 1327.5(4) Å3, Z = 2, space group P21/c, and R = 0.055 for 1013 reflections with I > 2σ(I). Crystals II are orthorhombic, a = 8.225(4) Å, b = 11.816(4) Å, c = 24.626(5) Å, V = 2393.3(9) Å 3, Z = 4, space group Pbca, and R = 0.035 for 451 reflections with I > 2σ(I). Molecules I and II have a centrosymmetric structure and different conformations. It is demonstrated that the shape and size of the cavity and the conformation of the macrocycle depend substantially on the structure of the substituents at the nitrogen atoms of diaza-18-crown-6.
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Minacheva L. Kh. et al. Crystal structure and vibrational spectra of N,N′-Di(2,4- dinitrophenyl)diaza-18-Crown-6 and N,N′-Di(tetrafluoropyridyl)diaza-18- Crown-6 // Crystallography Reports. 2004. Vol. 49. No. 6. pp. 982-989.
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Minacheva L. Kh., Ivanova I. S., Pyatova E. N., Sergienko V. S., Artamkina G., Beletskaya I. P., Tsivadze A. Y. Crystal structure and vibrational spectra of N,N′-Di(2,4- dinitrophenyl)diaza-18-Crown-6 and N,N′-Di(tetrafluoropyridyl)diaza-18- Crown-6 // Crystallography Reports. 2004. Vol. 49. No. 6. pp. 982-989.
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TY - JOUR
DO - 10.1134/1.1828143
UR - https://link.springer.com/10.1134/1.1828143
TI - Crystal structure and vibrational spectra of N,N′-Di(2,4- dinitrophenyl)diaza-18-Crown-6 and N,N′-Di(tetrafluoropyridyl)diaza-18- Crown-6
T2 - Crystallography Reports
AU - Minacheva, L Kh
AU - Ivanova, I. S.
AU - Pyatova, E N
AU - Sergienko, V S
AU - Artamkina, G.A
AU - Beletskaya, I P
AU - Tsivadze, A. Yu.
PY - 2004
DA - 2004/11/01
PB - Pleiades Publishing
SP - 982-989
IS - 6
VL - 49
SN - 1063-7745
SN - 1562-689X
ER -
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@article{2004_Minacheva,
author = {L Kh Minacheva and I. S. Ivanova and E N Pyatova and V S Sergienko and G.A Artamkina and I P Beletskaya and A. Yu. Tsivadze},
title = {Crystal structure and vibrational spectra of N,N′-Di(2,4- dinitrophenyl)diaza-18-Crown-6 and N,N′-Di(tetrafluoropyridyl)diaza-18- Crown-6},
journal = {Crystallography Reports},
year = {2004},
volume = {49},
publisher = {Pleiades Publishing},
month = {nov},
url = {https://link.springer.com/10.1134/1.1828143},
number = {6},
pages = {982--989},
doi = {10.1134/1.1828143}
}
Cite this
MLA
Copy
Minacheva, L. Kh., et al. “Crystal structure and vibrational spectra of N,N′-Di(2,4- dinitrophenyl)diaza-18-Crown-6 and N,N′-Di(tetrafluoropyridyl)diaza-18- Crown-6.” Crystallography Reports, vol. 49, no. 6, Nov. 2004, pp. 982-989. https://link.springer.com/10.1134/1.1828143.